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Edit and run



In [1]:

    
import os, pdb
import numpy as np
import fitsio
from astropy.table import Table, hstack
import matplotlib.pyplot as plt



In [2]:

    
from desiutil.plots import plot_sky_binned, init_sky
from desimodel.footprint import radec2pix



In [3]:

    
%matplotlib inline



In [20]:

    
camera, ver = 'decam', '-v5-3'
allimlist = Table(fitsio.read('dr8-ondisk-{}{}.fits'.format(camera, ver)))
imlist = allimlist[allimlist['qkeep']]
print('Keeping {}/{} {}{} images.'.format(len(imlist), len(allimlist), camera, ver))









    



Keeping 137306/145141 decam-v5-3 images.



In [22]:

    
allzpts = Table(fitsio.read('survey-ccds-decam-dr8.fits.gz'))
_, uindx = np.unique(allzpts['image_filename'], return_index=True)
zpts = allzpts[uindx]
print('Keeping {}/{} {} zeropoints.'.format(len(zpts), len(allzpts), camera))









    



Keeping 121314/7311253 decam zeropoints.



In [40]:

    
imlist[:3]









    Out[40]:




<Table length=3>

filename object propid expnum obstype wcscal photcal yshift proctype prodtype exptime ra dec date_obs mjd_obs airmass filter plver procdate plprocid qkeep flag1 flag2
bytes200 bytes40 bytes20 int64 bytes10 bytes20 bytes20 float32 bytes20 bytes20 float32 float64 float64 bytes26 float64 float32 bytes32 bytes8 bytes19 bytes20 bool int64 bool
CPDES82/c4d_130911_062753_ooi_g_v1.fits.fz DES survey hex -28-4 tiling 2 2012B-0001 232822 object Successful empty nan InstCal image 90.0 356.4611249999999 0.07508333333333334 2013-09-11T06:27:53.973535 56546.26937469 1.23 g DECam SDSS c0001 4720.0 1520.0 V3.6 2015-02-13T14:17:16 87c7a6f True 0 False
CPDES82/c4d_130911_063202_ooi_g_v1.fits.fz DES survey hex 4+16 tiling 2 2012B-0001 232824 object Successful empty nan InstCal image 90.0 359.6517916666666 2.104722222222222 2013-09-11T06:32:02.091466 56546.27224643 1.24 g DECam SDSS c0001 4720.0 1520.0 V3.6 2015-02-13T14:17:20 87c7a6f True 0 False
CPDES82/c4d_130928_015737_ooi_g_v1.fits.fz DES survey hex -12+6 tiling 1 2012B-0001 238924 object Successful empty nan InstCal image 90.0 358.8265416666667 0.6180555555555556 2013-09-28T01:57:37.236824 56563.08168098 1.4 g DECam SDSS c0001 4720.0 1520.0 V3.6 2015-02-13T14:20:36 87c7a6f True 0 False



In [41]:

    
zpts[:3]









    Out[41]:




<Table length=3>

image_filename image_hdu camera expnum plver procdate plprocid ccdname object propid filter exptime mjd_obs airmass fwhm width height ra_bore dec_bore crpix1 crpix2 crval1 crval2 cd1_1 cd1_2 cd2_1 cd2_2 yshift ra dec skyrms sig1 ccdzpt zpt ccdraoff ccddecoff ccdskycounts ccdskysb ccdrarms ccddecrms ccdphrms ccdnastrom ccdnphotom ccd_cuts
bytes120 int16 bytes9 int64 bytes8 bytes19 bytes7 bytes5 bytes35 bytes10 bytes1 float32 float64 float32 float32 int16 int16 float64 float64 float32 float32 float64 float64 float32 float32 float32 float32 bool float64 float64 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 int16 int16 int32
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235218_ooi_g_v2.fits.fz 1 decam 348224 V3.3.0 2014-09-05T08:06:56 8672821 S29 HexapodUpdate 2014B-0404 g 30.0 56884.99373389 1.35 4.253049 2046 4094 240.16241666666667 10.891027777777778 13422.2 6306.333 240.1624280585 10.89102382562 -1.8234518e-07 7.285107e-05 -7.2859635e-05 -1.8833764e-07 False 239.84754226428262 11.795715000739543 0.11988933 0.010756563 25.101385 25.098503 -0.070845425 -0.08212396 1.2380908 23.469625 0.07908133 0.10123539 0.022398625 353 373 0
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235550_ooi_g_v2.fits.fz 1 decam 348225 V3.3.0 2014-09-05T08:06:51 8672821 S29 DECaLS_15891_g 2014B-0404 g 79.0 56884.99558084 1.35 4.416574 2046 4094 240.15745833333335 10.88425 13422.2 6306.333 240.1574501877 10.88424111551 -1.82367e-07 7.285161e-05 -7.286044e-05 -1.8725844e-07 False 239.8425632491656 11.788935631604792 0.06825077 0.006185885 25.100357 25.09846 -0.090344526 -0.12109605 1.2376176 23.47004 0.091307156 0.12762612 0.02349728 350 375 0
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235730_ooi_g_v2.fits.fz 1 decam 348226 V3.3.0 2014-09-05T08:06:45 8672821 S29 DECaLS_15884_g 2014B-0404 g 74.0 56884.99682659 1.32 4.323545 2046 4094 240.63974999999996 9.329722222222223 13422.2 6306.333 240.6397644751 9.329735747765 -1.8300955e-07 7.2851886e-05 -7.285927e-05 -1.883075e-07 False 240.3265596314937 10.234417502171025 0.071075335 0.006342868 25.112234 25.10609 -0.05237481 -0.113597386 1.2369775 23.470602 0.054220174 0.12889181 0.025700446 331 357 0



In [75]:

    
zpts_files = []
for ff in zpts['image_filename']:
    _ff = ff.strip().split('/')
    #zpts_files.append('/'.join((_ff[1], _ff[3])).upper())
    zpts_files.append(_ff[3])
zpts_files = np.hstack(zpts_files)
imlist_files = np.hstack([ff.strip().split('/')[1] for ff in imlist['filename']])
#imlist_files = np.array([ff.strip().upper() for ff in imlist['filename']])



In [76]:

    
zpts_files[:3], imlist_files[:3]









    Out[76]:





(array(['c4d_140815_235218_ooi_g_v2.fits.fz',
        'c4d_140815_235550_ooi_g_v2.fits.fz',
        'c4d_140815_235730_ooi_g_v2.fits.fz'], dtype='<U34'),
 array(['c4d_130911_062753_ooi_g_v1.fits.fz',
        'c4d_130911_063202_ooi_g_v1.fits.fz',
        'c4d_130928_015737_ooi_g_v1.fits.fz'], dtype='<U34'))



In [81]:

    
print(np.sum(np.isin(zpts_files, imlist_files)))
print(np.sum(np.isin(imlist_files, zpts_files)))
np.intersect1d(['c4d_130911_062753_ooi_g_v1.fits.fz'], imlist_files)









    



0
0






    Out[81]:





array(['c4d_130911_062753_ooi_g_v1.fits.fz'], dtype='<U34')

Read the sky and zeropoints catalogs



In [4]:

    
allcam = ('decam-g', 'decam-r', 'decam-z', '90prime-g', '90prime-r')



In [5]:

    
zpts = dict()
for band in allcam:
     zpts[band] = Table(fitsio.read('survey-ccds-{}.fits.gz'.format(band), ext=1))



In [15]:

    
sky = Table(fitsio.read('sky-hdrs.fits'))
sky.rename_column('camera', 'sky_camera')
sky.rename_column('ccdname', 'sky_ccdname')
sky.rename_column('expnum', 'sky_expnum')
sky.rename_column('sig1', 'sky_sig1')
print(len(sky))
#sky[:3]

Sky-subtraction



In [44]:

    
def match_sky_zpts(sky, zpts, filt='decam-z', write=False):
    """Match the sky statistics to a given zeropoint catalog (of a given bandpass)."""
    skyfile = np.array([os.path.basename(ff).replace('.fits', '').strip() for ff in sky['filename']])
    zptfile = np.array(['{}-{:08d}-{}'.format(cam.strip(), exp, ccd.strip())
                        for cam, exp, ccd in zip(zpts[filt]['camera'], zpts[filt]['expnum'], zpts[filt]['ccdname'])])
    
    _, wzpt, wsky = np.intersect1d(zptfile, skyfile, return_indices=True)
    out = hstack((sky[wsky], zpts[filt][wzpt]))
    if write:
        outfile = 'sky-hdrs-{}.fits'.format(filt)
        print('Writing {}'.format(outfile))
        out.write(outfile, overwrite=True)
    return out



In [46]:

    
if False:
    for cam in ('decam-g', 'decam-r', 'decam-z'):
        match_sky_zpts(sky, zpts, filt=cam, write=True)



In [17]:

    
out = match_sky_zpts(sky, zpts, filt='decam-z')
out[:3]









    Out[17]:




<Table length=3>

filename sky_camera sky_ccdname sky_expnum legpipev plver imgdsum procdate sky_sig1 s_mode s_med s_cmed s_john s_p0 s_p10 s_p20 s_p30 s_p40 s_p50 s_p60 s_p70 s_p80 s_p90 s_p100 s_fmaskd s_fine image_filename image_hdu camera expnum ccdname object propid filter exptime mjd_obs airmass fwhm width height ra_bore dec_bore crpix1 crpix2 crval1 crval2 cd1_1 cd1_2 cd2_1 cd2_2 yshift ra dec skyrms sig1 ccdzpt zpt ccdraoff ccddecoff ccdskycounts ccdskymag ccdrarms ccddecrms ccdphrms ccdnmatch ccd_cuts
bytes54 bytes5 bytes3 int32 bytes21 bytes8 int64 bytes19 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 bytes120 int16 bytes9 int64 bytes5 bytes35 bytes10 bytes1 float32 float64 float32 float32 int16 int16 float64 float64 float32 float32 float64 float64 float32 float32 float32 float32 bool float64 float64 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 int16 int32
decam/splinesky/00292/00292594/decam-00292594-N1.fits decam N1 292594 dr8-sky-23-gb530baa V3.1.1 4235729473 2014-06-18T16:51:20 13.983541 776.33 776.57654 776.36566 775.9702 -140.39929 -18.0141 -11.847168 -7.38501 -3.5635986 0.0026245117 3.5716553 7.397522 11.879761 18.107666 72.725464 0.12891395 0.09888925 decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz 31 decam 292594 N1 hexapod update 2013B-0612 z 30.0 56733.35605804 1.26 7.0714293 2046 4094 242.30483333333333 6.20575 -104.2001 14825.0 242.3048143948 6.205741087661 -1.9446065e-07 7.285809e-05 -7.286214e-05 -1.9358878e-07 False 241.36760338907385 6.125098072247918 0.47049177 13.982382 24.926756 24.927584 -0.07492185 -0.20437104 25.88311 20.042965 0.084980994 0.20796564 0.019522201 279 0
decam/splinesky/00292/00292594/decam-00292594-N10.fits decam N10 292594 dr8-sky V3.1.1 1818148087 2014-06-18T16:51:20 13.965536 775.6102 775.929 775.66907 775.2322 -75.68335 -17.904541 -11.779724 -7.343872 -3.5419922 0.0037231445 3.5612183 7.3675356 11.8341675 18.039062 73.91138 0.14357395 0.10999491 decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz 40 decam 292594 N10 hexapod update 2013B-0612 z 30.0 56733.35605804 1.26 7.280891 2046 4094 242.30483333333333 6.20575 -2358.6 4176.667 242.3048143948 6.205741087661 -1.9446065e-07 7.285809e-05 -7.286214e-05 -1.9358878e-07 False 242.14767254688402 5.958992699662154 0.47104883 13.9648695 24.924236 24.927584 -0.114977 -0.113349445 25.845293 20.044554 0.12215095 0.11916799 0.020289319 325 0
decam/splinesky/00292/00292594/decam-00292594-N11.fits decam N11 292594 dr8-sky-23-gb530baa V3.1.1 2488353636 2014-06-18T16:51:20 13.925859 776.0188 776.3717 776.0575 775.5574 -75.27081 -17.880371 -11.76427 -7.343811 -3.5465088 0.0038452148 3.5526733 7.349121 11.806213 17.997742 72.403076 0.16512458 0.16153845 decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz 41 decam 292594 N11 hexapod update 2013B-0612 z 30.0 56733.35605804 1.26 7.6351366 2046 4094 242.30483333333333 6.20575 -2358.6 -82.66665 242.3048143948 6.205741087661 -1.9446065e-07 7.285809e-05 -7.286214e-05 -1.9358878e-07 False 242.4607225516844 5.958038657773752 0.46565512 13.925143 24.925276 24.927584 -0.13090084 -0.10765714 25.861963 20.043852 0.13237187 0.114522316 0.017784137 259 0



In [31]:

    
xmed = np.log10(out['s_med'])
ratio = np.log10((out['s_p90']-out['s_p50'])/(out['s_p50']-out['s_p10']))
plt.hexbin(xmed, ratio, mincnt=1, bins='log')
plt.axhline(y=0.1, lw=2, ls='--')
plt.axhline(y=-0.1, lw=2, ls='--')









    Out[31]:





<matplotlib.lines.Line2D at 0x18930d6a0>



In [39]:

    
cut = np.abs(ratio) > 0.1
plt.hexbin(out['ra'], out['dec'], mincnt=1, bins='log')
plt.scatter(out['ra'][cut], out['dec'][cut], color='orange', s=10)









    Out[39]:





<matplotlib.collections.PathCollection at 0x18b9f4a90>



In [40]:

    
out[cut]









    Out[40]:




<Table length=502>

filename sky_camera sky_ccdname sky_expnum legpipev plver imgdsum procdate sky_sig1 s_mode s_med s_cmed s_john s_p0 s_p10 s_p20 s_p30 s_p40 s_p50 s_p60 s_p70 s_p80 s_p90 s_p100 s_fmaskd s_fine image_filename image_hdu camera expnum ccdname object propid filter exptime mjd_obs airmass fwhm width height ra_bore dec_bore crpix1 crpix2 crval1 crval2 cd1_1 cd1_2 cd2_1 cd2_2 yshift ra dec skyrms sig1 ccdzpt zpt ccdraoff ccddecoff ccdskycounts ccdskymag ccdrarms ccddecrms ccdphrms ccdnmatch ccd_cuts
bytes54 bytes5 bytes3 int32 bytes21 bytes8 int64 bytes19 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 bytes120 int16 bytes9 int64 bytes5 bytes35 bytes10 bytes1 float32 float64 float32 float32 int16 int16 float64 float64 float32 float32 float64 float64 float32 float32 float32 float32 bool float64 float64 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 float32 int16 int32
decam/splinesky/00347/00347148/decam-00347148-N29.fits decam N29 347148 dr8-sky V3.3.0 1359620426 2014-09-05T10:21:10 35.41355 4926.7324 4933.162 4927.277 4921.9507 -4413.624 -68.72119 -41.627342 -26.962402 -15.474121 -5.20459 4.7268553 15.202148 27.149902 43.643066 168.87402 0.8167792 414.88214 decam/DECam_CP/CP20140810_z_v2/c4d_140812_095310_ooi_z_v2.fits.fz 59 decam 347148 N29 DECaLS_4872_z 2014B-0404 z 142.0 56881.40970492 1.64 5.8808527 2046 4094 28.948208333333334 21.76311111111111 -11376.2 6306.333 28.94819283277 21.76310738499 -4.066853e-08 7.285967e-05 -7.288153e-05 -5.307347e-08 False 28.615408679269457 20.858702117746088 0.30497018 35.413567 25.017237 25.012608 0.04161468 -0.14177999 34.786247 19.721987 0.045991108 0.14281052 0.018228518 75 0
decam/splinesky/00347/00347155/decam-00347155-S4.fits decam S4 347155 dr8-sky V3.3.0 237134580 2014-09-05T10:21:43 36.87407 5286.1206 5330.027 5294.9956 5265.959 -4877.47 -72.55859 -44.20586 -28.809082 -16.75 -6.0117188 4.455078 15.411621 28.00879 45.308105 2613.4648 0.8350466 691.4678 decam/DECam_CP/CP20140810_z_v2/c4d_140812_101321_ooi_z_v2.fits.fz 27 decam 347155 S4 DECaLS_4908_z 2014B-0404 z 144.0 56881.42367455 1.72 5.72379 2046 4094 31.784375000000004 23.433833333333332 2150.2 2047.0 31.78438473848 23.4338357289 -3.1902093e-08 7.286079e-05 -7.2884824e-05 -4.6135817e-08 False 31.78476993855235 23.51638061811881 2.1290815 36.87655 25.010204 25.003227 0.061708733 -0.11529579 38.0916 19.623434 0.06452094 0.121518254 0.030714942 65 0
decam/splinesky/00348/00348026/decam-00348026-N1.fits decam N1 348026 dr8-sky-4-ge95edd1 V3.3.0 3530391244 2014-09-05T10:50:36 36.028915 4777.583 4862.9507 4784.754 4718.542 -4993.5522 -345.0345 -125.07988 -58.16445 -34.392773 -17.862793 -3.5585938 10.401367 25.730469 46.09961 2215.0776 0.9244698 771.4342 decam/DECam_CP/CP20140810_z_v2/c4d_140815_065059_ooi_z_v2.fits.fz 31 decam 348026 N1 DECaLS_40030_z 2014B-0404 z 173.0 56884.28281283 1.93 4.7144356 2046 4094 346.9562916666667 28.21077777777778 -104.2001 14825.0 346.9562772065 28.21077050779 -1.2175622e-07 7.285786e-05 -7.289416e-05 -1.353328e-07 False 345.8997344085344 28.126145600840065 1.1187739 36.02905 24.914852 24.925596 0.006705028 -0.096795104 28.716698 19.93017 0.020697678 0.09951196 0.038279682 66 0
decam/splinesky/00426/00426127/decam-00426127-S17.fits decam S17 426127 dr8-sky-7-gb1d1e64 V3.6.1 2549248204 2015-03-31T11:14:10 16.237684 961.8667 975.7658 960.36804 952.515 -1212.706 -34.0653 -19.008228 -11.901654 -6.4564576 -1.6025391 3.112854 8.128522 14.10791 22.884388 1954.2058 0.70988923 164.57248 decam/DECam_CP/CP20150326/c4d_150330_042423_ooi_z_v1.fits.fz 15 decam 426127 S17 DECaLS_9763_z 2014B-0404 z 67.0 57111.1822331 1.22 4.609353 2046 4094 193.82583333333332 2.9240833333333334 6659.0 -82.66665 193.8258187896 2.924070838674 -1.528167e-07 7.285435e-05 -7.2857634e-05 -1.5087925e-07 False 193.9826019556022 3.335503264813606 0.45913112 16.21121 24.869736 24.884968 -0.1577122 -0.116672084 14.707678 20.656647 0.15697482 0.1216861 0.033127304 69 0
decam/splinesky/00431/00431298/decam-00431298-N31.fits decam N31 431298 dr8-sky-7-gb1d1e64 V3.6.2 3579592906 2015-04-25T00:51:29 31.89605 4137.7095 4155.294 4138.7915 4130.4067 -12375.215 -104.79993 -50.275734 -31.68042 -19.020508 -8.368164 1.621582 11.797363 23.401367 39.196777 341.3662 0.79919904 1855.3706 decam/DECam_CP/CP20150407/c4d_150410_071746_ooi_z_v1.fits.fz 60 decam 431298 N31 DECaLS_238_z 2014B-0404 z 127.0 57122.30193109 1.98 5.718695 2046 4094 220.78495833333335 27.98275 -11376.2 -2212.333 220.7849605135 27.98275801775 -1.8182928e-07 7.285634e-05 -7.289016e-05 -2.056203e-07 False 221.13116014862288 27.076986113716007 0.2741025 31.882078 24.94681 24.932003 0.03896806 -0.10381395 32.630875 19.791435 0.049021147 0.10559143 0.02057876 45 0
decam/splinesky/00483/00483816/decam-00483816-N29.fits decam N29 483816 dr8-sky-7-gb1d1e64 V3.8 1064088839 2015-10-17T14:54:45 32.771954 3738.676 3774.629 3741.3047 3709.1218 -5663.168 -77.191284 -43.28711 -28.058594 -16.606445 -6.519409 3.119629 13.22998 24.8396 40.80127 1978.4023 0.7112079 367.8055 decam/DECam_CP/CP20151010/c4d_151011_085417_ooi_z_v1.fits.fz 59 decam 483816 N29 DECaLS_42110_z 2014B-0404 z 208.0 57306.36805064 1.51 5.574695 2046 4094 45.74183333333333 4.951611111111111 -11376.2 6306.333 45.74183096412 4.951621777196 1.5760724e-08 7.286418e-05 -7.2864554e-05 -6.5561263e-09 False 45.430775337671015 4.047510374685563 0.22206515 32.771313 24.94431 24.92654 0.06608002 -0.1195775 17.844439 20.446749 0.06812154 0.12574185 0.032719918 60 0
decam/splinesky/00536/00536297/decam-00536297-N14.fits decam N14 536297 dr8-sky-9-g3ee1cf2 V3.9 81937499 2016-04-12T21:14:11 43.979675 0.0 7024.303 6864.088 6832.7246 -45561.145 -828.3799 -176.44434 -61.557617 -34.2583 -14.744141 2.7042968 20.776367 42.867676 83.73926 3117.6768 0.6555631 872.6017 decam/DECam_CP/CP20160407/c4d_160411_002516_ooi_z_v1.fits.fz 44 decam 536297 N14 DECaLS_47437_z 2014B-0404 z 228.0 57489.01432241 1.24 4.4901533 2046 4094 134.51283333333333 6.357166666666667 -4613.0 12695.33 134.5128240967 6.357155309894 -2.5127585e-08 7.284526e-05 -7.2851515e-05 -2.4359693e-08 False 133.73206523332385 5.945948857530463 0.73053557 44.275703 24.497787 24.48238 -0.044714436 -0.09832871 30.851599 19.852312 0.048141122 0.10011671 0.045937702 123 0
decam/splinesky/00553/00553752/decam-00553752-S25.fits decam S25 553752 dr8-sky-9-g3ee1cf2 V3.9.2 2627315766 2016-07-27T20:28:14 30.877872 2742.9517 3779.7004 3774.7898 3764.8457 -33876.53 -985.451 -100.85757 -43.18999 -23.610107 -9.738525 2.630371 15.38501 30.8667 59.17832 13154.443 0.6796808 1086.9233 decam/DECam_CP/CP20160720/c4d_160722_043112_ooi_z_v1.fits.fz 3 decam 553752 S25 DECaLS_15311_z 2016A-0190 z 154.0 57591.18598371 1.91 5.821371 2046 4094 260.635875 17.315055555555556 11167.8 8436.0 260.6358634944 17.31506393548 -1.8992515e-07 7.28635e-05 -7.2871844e-05 -2.3081884e-07 False 260.1479381496027 18.05605115442899 0.30216163 30.899265 24.898924 24.905352 -0.027669426 -0.11698164 24.638391 20.096476 0.03255118 0.12061643 0.019350959 301 0
decam/splinesky/00553/00553773/decam-00553773-S27.fits decam S27 553773 dr8-sky-9-g3ee1cf2 V3.9.2 233960955 2016-07-27T20:32:18 45.344765 0.0 8802.226 8802.804 8795.49 -28375.818 -309.41974 -68.28223 -40.84082 -22.25 -6.366211 8.916016 25.336914 45.68457 83.08496 6651.7915 0.60751003 541.54944 decam/DECam_CP/CP20160720/c4d_160722_054936_ooi_z_v1.fits.fz 5 decam 553773 S27 DECaLS_44359_z 2016A-0190 z 171.0 57591.24024437 1.71 6.008135 2046 4094 10.933083333333334 -11.350916666666667 11167.8 -82.66665 10.93308680539 -11.35091863175 -1.0250246e-07 7.287895e-05 -7.286145e-05 -8.264903e-08 False 11.09244071490999 -10.610617339370357 0.35191867 45.359932 24.84116 24.832603 0.16607767 -0.13286261 51.608448 19.293705 0.16801213 0.13543719 0.022549067 59 0
decam/splinesky/00553/00553841/decam-00553841-S12.fits decam S12 553841 dr8-sky-9-g3ee1cf2 V3.9.2 3209249302 2016-07-27T20:44:09 28.712868 2626.367 3243.256 3238.9827 3227.541 -42643.703 -1037.8564 -261.2434 -69.94814 -34.88633 -17.685059 -3.7443848 10.164795 27.671192 152.41191 20233.053 0.71905637 845.79004 decam/DECam_CP/CP20160720/c4d_160722_083246_ooi_z_v1.fits.fz 22 decam 553841 S12 DECaLS_34058_z 2016A-0190 z 143.0 57591.35387111 1.31 6.178116 2046 4094 11.754333333333333 7.3381388888888885 4404.6 -4342.0 11.75433850004 7.338147715562 -1.01808304e-07 7.286008e-05 -7.286725e-05 -9.510413e-08 False 12.225703230700661 7.584414250307297 0.37035295 28.737371 24.955933 24.963932 0.09798843 -0.08424786 22.916708 20.175125 0.10097772 0.09144651 0.028474588 61 0
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
decam/splinesky/00768/00768895/decam-00768895-N10.fits decam N10 768895 dr8-sky-26-ga25adbbc V4.1 1386905230 2018-09-09T20:39:03 23.04864 -17.21148 2005.4971 2005.1664 -68.02595 -2436.141 -1039.6752 -217.32481 -127.649506 -83.49322 -53.657227 -32.609833 -16.184082 -0.11450195 20.659424 2047.6659 0.4973861 378.7458 decam/DECam_CP/CP20180903/c4d_180904_095634_ooi_z_v1.fits.fz 41 decam 768895 N10 DECaLS_26240_z 2014B-0404 z 91.0 58365.41429161 1.22 5.077506 2046 4094 46.84525 1.6871666666666667 -2358.6 4176.667 46.84523473076 1.687171175321 1.0431639e-09 7.2857925e-05 -7.2861134e-05 -4.6521866e-09 False 46.68958404604195 1.4400966959652175 11.647048 23.34299 24.071909 25.093395 0.017808767 -0.017282283 22.105633 20.214249 0.12120525 0.77104586 3.2571278 103 3168
decam/splinesky/00768/00768896/decam-00768896-N10.fits decam N10 768896 dr8-sky-26-ga25adbbc V4.1 3659525618 2018-09-09T20:39:05 22.48181 -8.822652 1913.7675 1913.5723 -57.36648 -2587.165 -357.54883 -98.83154 -56.02143 -29.822632 -11.241455 5.929449 23.987793 52.812134 200.87325 2645.8691 0.5019843 375.80582 decam/DECam_CP/CP20180903/c4d_180904_095922_ooi_z_v1.fits.fz 41 decam 768896 N10 DECaLS_26269_z 2014B-0404 z 80.0 58365.41623515 1.15 5.103283 2046 4094 47.019125 -4.801277777777778 -2358.6 4176.667 47.0191162697 -4.801281469717 -3.8942107e-09 7.2858275e-05 -7.2858005e-05 -6.610647e-09 False 46.86289240606688 -5.048311262658896 12.586545 22.777283 24.815666 25.095734 0.023463158 -0.027486581 24.000565 20.124952 0.21360958 0.7619613 3.0051355 90 3104
decam/splinesky/00768/00768897/decam-00768897-N10.fits decam N10 768897 dr8-sky-26-ga25adbbc V4.1 1371951635 2018-09-09T20:39:19 24.53522 0.16074526 2288.2065 2287.8286 -57.140953 -3343.514 -1000.6557 -230.76294 -115.19706 -73.90634 -43.399025 -22.839111 -4.4248047 16.413086 54.17981 2764.5408 0.50098205 565.003 decam/DECam_CP/CP20180903/c4d_180904_100124_ooi_z_v1.fits.fz 41 decam 768897 N10 DECaLS_42157_z 2014B-0404 z 84.0 58365.41764199 1.14 5.381192 2046 4094 46.66008333333333 -6.354694444444444 -2358.6 4176.667 46.66008107951 -6.354701312657 -3.013986e-09 7.285719e-05 -7.285697e-05 -6.922203e-09 False 46.50342343501529 -6.601738564303138 14.300652 24.845901 24.7496 25.098381 0.028684346 -0.018920245 27.335615 19.983685 0.061396655 0.6593399 3.1403453 95 3104
decam/splinesky/00768/00768898/decam-00768898-N10.fits decam N10 768898 dr8-sky-26-ga25adbbc V4.1 2282579428 2018-09-09T20:39:26 26.113823 4.136064 2591.8499 2591.7466 -60.6621 -2928.9023 -1104.8163 -256.17813 -144.30136 -96.613754 -59.15088 -34.93162 -15.39917 5.03855 35.367188 3155.5054 0.5024437 407.6728 decam/DECam_CP/CP20180903/c4d_180904_100317_ooi_z_v1.fits.fz 41 decam 768898 N10 DECaLS_40241_z 2014B-0404 z 80.0 58365.41895553 1.12 4.948778 2046 4094 47.706041666666664 -7.905861111111111 -2358.6 4176.667 47.70605923822 -7.905859181701 -2.6211149e-09 7.285734e-05 -7.285595e-05 -5.7313243e-09 False 47.54885591638619 -8.15289915925522 17.215406 26.384918 24.307877 25.092297 0.033110425 -0.024142439 32.47474 19.796642 0.070711695 0.80151 3.243385 97 3168
decam/splinesky/00768/00768899/decam-00768899-N10.fits decam N10 768899 dr8-sky-26-ga25adbbc V4.1 1130742653 2018-09-09T20:39:34 30.134216 0.0 3454.5205 3454.3354 -71.4288 -3571.6904 -1887.6244 -365.48453 -263.13672 -152.61494 -113.1201 -69.04245 -40.211914 -17.121387 8.276611 1746.446 0.50557345 593.1286 decam/DECam_CP/CP20180903/c4d_180904_100506_ooi_z_v1.fits.fz 41 decam 768899 N10 DECaLS_42174_z 2014B-0404 z 86.0 58365.42021281 1.13 5.256192 2046 4094 46.034 -7.927027777777778 -2358.6 4176.667 46.03398886976 -7.927015179242 -3.4918977e-09 7.285652e-05 -7.2858544e-05 -7.4295423e-09 False 45.876771610463145 -8.17403568428591 20.825012 30.413858 24.923237 25.098427 0.019589972 -0.026452715 40.212254 19.56461 0.15932573 0.91839916 3.1337488 90 3072
decam/splinesky/00768/00768900/decam-00768900-N10.fits decam N10 768900 dr8-sky-26-ga25adbbc V4.1 1533607278 2018-09-09T20:39:36 35.699154 62.749172 4830.45 4830.435 -91.31108 -5359.631 -1732.8473 -463.41943 -263.2767 -171.33472 -107.5073 -58.99756 -29.507324 -1.8935547 37.533203 5994.8965 0.5583569 931.6385 decam/DECam_CP/CP20180903/c4d_180904_100700_ooi_z_v1.fits.fz 41 decam 768900 N10 DECaLS_42173_z 2014B-0404 z 92.0 58365.42153683 1.15 5.1121044 2046 4094 45.022125 -6.356638888888889 -2358.6 4176.667 45.0221105247 -6.356641005081 -3.944393e-09 7.2857576e-05 -7.285746e-05 -9.032827e-09 False 44.86544034316755 -6.603668562863778 40.78957 35.88201 23.628475 25.091455 0.009716971 0.0013503982 52.341946 19.278381 0.09851698 0.32713914 3.4755466 73 3168
decam/splinesky/00774/00774555/decam-00774555-N10.fits decam N10 774555 dr8-sky-26-ga25adbbc V4.1 4178659326 2018-09-19T17:37:51 31.783743 0.0 3812.8174 3811.203 3808.0444 -6887.7812 -55.684864 -33.503174 -21.33496 -11.791748 -3.2058105 5.119873 13.923096 24.06836 37.983643 1408.8125 0.7025618 1041.5668 decam/DECam_CP/CP20180916/c4d_180916_234309_ooi_z_v1.fits.fz 41 decam 774555 N10 DECaLS_18789_z 2014B-0404 z 120.0 58377.98830567 1.99 4.7153325 2046 4094 273.8414583333333 29.455555555555556 -2358.6 4176.667 273.8414444742 29.45555421703 -2.537345e-07 7.284926e-05 -7.28892e-05 -2.6555574e-07 False 273.66219597077514 29.20880541819815 21.815313 31.782845 24.953667 24.96061 0.000192817 0.014686303 31.210629 19.83975 0.017468646 0.030916879 0.026090391 332 0
decam/splinesky/00776/00776286/decam-00776286-N8.fits decam N8 776286 dr8-sky-26-ga25adbbc V4.1 645960643 2018-09-23T08:22:39 64.82174 11524.226 12446.443 11752.548 11157.45 -78405.13 -568.4595 -258.07715 -140.64697 -76.25391 -29.282227 12.538086 57.660645 118.09766 224.58545 4633.1904 0.7793858 8010.3 decam/DECam_CP/CP20180921/c4d_180922_004432_ooi_z_v1.fits.fz 39 decam 776286 N8 DECaLS_15275_z 2014B-0404 z 250.0 58383.03093243 2.0 4.8261895 2046 4094 259.3559583333333 14.640833333333333 -2358.6 12695.33 259.3559761682 14.64084054082 -1.9852351e-07 7.286525e-05 -7.2868716e-05 -2.4444122e-07 False 258.5532750108521 14.395309724629438 1.7662024 63.92023 24.802677 24.985188 -0.03832536 -0.038675077 45.03664 19.441591 0.047161274 0.05439237 0.117708094 169 1024
decam/splinesky/00784/00784234/decam-00784234-S3.fits decam S3 784234 dr8-sky-26-ga25adbbc V4.1 3739018910 2018-10-25T00:10:18 47.03949 8006.5605 8043.4136 8002.476 7964.773 -8213.233 -668.38104 -120.99483 -59.730858 -34.768066 -16.267578 0.30078125 17.078125 36.411232 65.44141 4661.1367 0.82064027 452.21893 decam/DECam_CP/CP20181016/c4d_181017_032113_ooi_z_v1.fits.fz 27 decam 784234 S3 DECaLS_36541_z 2014B-0404 z 250.0 58408.13973717 2.07 6.89963 2046 4094 10.245875 30.74988888888889 2150.2 6306.333 10.24586203068 30.74989602514 -8.7430145e-08 7.2851624e-05 -7.289798e-05 -8.01899e-08 False 9.883606033918179 30.83207938905883 0.5366181 47.00695 24.907858 24.92935 0.014589417 -0.027835354 32.545277 19.794287 0.0480236 0.043054476 0.04530192 107 0
decam/splinesky/00784/00784241/decam-00784241-S8.fits decam S8 784241 dr8-sky-26-ga25adbbc V4.1 2594389464 2018-10-25T00:10:57 42.56797 0.0 7134.2207 7133.387 7106.6 -13421.521 -108.92139 -53.98535 -34.402832 -20.187988 -7.882324 3.864746 16.04834 30.045898 49.135742 1726.25 0.39134684 981.9286 decam/DECam_CP/CP20181016/c4d_181017_035404_ooi_z_v1.fits.fz 19 decam 784241 S8 DECaLS_36579_z 2014B-0404 z 250.0 58408.16255389 2.15 8.968638 2046 4094 17.60379166666667 31.93852777777778 4404.6 12695.33 17.60378978057 31.93851554544 -6.866348e-08 7.285375e-05 -7.2906805e-05 -5.965639e-08 False 16.686733935883538 32.18285902689801 0.18048108 42.56441 24.91438 24.916367 0.027062217 -0.0052554854 28.546476 19.936625 0.03944313 0.034322534 0.015868114 131 0



In [18]:

    
fig, ax = plt.subplots()
ax.hexbin(np.log10(out['s_mode']), np.log10(out['s_med']), mincnt=1, bins='log')









    



/usr/local/anaconda3/envs/desi/lib/python3.6/site-packages/ipykernel_launcher.py:2: RuntimeWarning: divide by zero encountered in log10
  
/usr/local/anaconda3/envs/desi/lib/python3.6/site-packages/ipykernel_launcher.py:2: RuntimeWarning: invalid value encountered in log10
  






    Out[18]:





<matplotlib.collections.PolyCollection at 0x1916e4780>



In [ ]:

    
stop



In [ ]:

    
out



In [ ]:



In [ ]:

    
sky[sky['sig1'] > 10**2.1]

Zeropoints



In [ ]:

    
data['decam-r'].dtype.names



In [ ]:

    
for ii, band in enumerate(('decam-g', 'decam-r', 'decam-z')):



In [ ]:

    
fig, ax = plt.subplots(1, 3, figsize=(14, 10))
for ii, band in enumerate(('decam-g', 'decam-r', 'decam-z')):
    basemap = init_sky(galactic_plane_color='k', ax=ax[ii])
    plot_sky_binned(data[band]['ra'], data[band]['dec'], max_bin_area=0.5, 
                clip_lo='!1', #clip_hi='95%', 
                cmap='viridis', plot_type='healpix', basemap=basemap, label=band)



In [ ]:

filename	object	propid	expnum	obstype	wcscal	photcal	yshift	proctype	prodtype	exptime	ra	dec	date_obs	mjd_obs	airmass	filter	plver	procdate	plprocid	qkeep	flag1	flag2
bytes200	bytes40	bytes20	int64	bytes10	bytes20	bytes20	float32	bytes20	bytes20	float32	float64	float64	bytes26	float64	float32	bytes32	bytes8	bytes19	bytes20	bool	int64	bool
CPDES82/c4d_130911_062753_ooi_g_v1.fits.fz	DES survey hex -28-4 tiling 2	2012B-0001	232822	object	Successful	empty	nan	InstCal	image	90.0	356.4611249999999	0.07508333333333334	2013-09-11T06:27:53.973535	56546.26937469	1.23	g DECam SDSS c0001 4720.0 1520.0	V3.6	2015-02-13T14:17:16	87c7a6f	True	0	False
CPDES82/c4d_130911_063202_ooi_g_v1.fits.fz	DES survey hex 4+16 tiling 2	2012B-0001	232824	object	Successful	empty	nan	InstCal	image	90.0	359.6517916666666	2.104722222222222	2013-09-11T06:32:02.091466	56546.27224643	1.24	g DECam SDSS c0001 4720.0 1520.0	V3.6	2015-02-13T14:17:20	87c7a6f	True	0	False
CPDES82/c4d_130928_015737_ooi_g_v1.fits.fz	DES survey hex -12+6 tiling 1	2012B-0001	238924	object	Successful	empty	nan	InstCal	image	90.0	358.8265416666667	0.6180555555555556	2013-09-28T01:57:37.236824	56563.08168098	1.4	g DECam SDSS c0001 4720.0 1520.0	V3.6	2015-02-13T14:20:36	87c7a6f	True	0	False

image_filename	image_hdu	camera	expnum	plver	procdate	plprocid	ccdname	object	propid	filter	exptime	mjd_obs	airmass	fwhm	width	height	ra_bore	dec_bore	crpix1	crpix2	crval1	crval2	cd1_1	cd1_2	cd2_1	cd2_2	yshift	ra	dec	skyrms	sig1	ccdzpt	zpt	ccdraoff	ccddecoff	ccdskycounts	ccdskysb	ccdrarms	ccddecrms	ccdphrms	ccdnastrom	ccdnphotom	ccd_cuts
bytes120	int16	bytes9	int64	bytes8	bytes19	bytes7	bytes5	bytes35	bytes10	bytes1	float32	float64	float32	float32	int16	int16	float64	float64	float32	float32	float64	float64	float32	float32	float32	float32	bool	float64	float64	float32	float32	float32	float32	float32	float32	float32	float32	float32	float32	float32	int16	int16	int32
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235218_ooi_g_v2.fits.fz	1	decam	348224	V3.3.0	2014-09-05T08:06:56	8672821	S29	HexapodUpdate	2014B-0404	g	30.0	56884.99373389	1.35	4.253049	2046	4094	240.16241666666667	10.891027777777778	13422.2	6306.333	240.1624280585	10.89102382562	-1.8234518e-07	7.285107e-05	-7.2859635e-05	-1.8833764e-07	False	239.84754226428262	11.795715000739543	0.11988933	0.010756563	25.101385	25.098503	-0.070845425	-0.08212396	1.2380908	23.469625	0.07908133	0.10123539	0.022398625	353	373	0
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235550_ooi_g_v2.fits.fz	1	decam	348225	V3.3.0	2014-09-05T08:06:51	8672821	S29	DECaLS_15891_g	2014B-0404	g	79.0	56884.99558084	1.35	4.416574	2046	4094	240.15745833333335	10.88425	13422.2	6306.333	240.1574501877	10.88424111551	-1.82367e-07	7.285161e-05	-7.286044e-05	-1.8725844e-07	False	239.8425632491656	11.788935631604792	0.06825077	0.006185885	25.100357	25.09846	-0.090344526	-0.12109605	1.2376176	23.47004	0.091307156	0.12762612	0.02349728	350	375	0
decam/DECam_CP/CP20140810_g_v2/c4d_140815_235730_ooi_g_v2.fits.fz	1	decam	348226	V3.3.0	2014-09-05T08:06:45	8672821	S29	DECaLS_15884_g	2014B-0404	g	74.0	56884.99682659	1.32	4.323545	2046	4094	240.63974999999996	9.329722222222223	13422.2	6306.333	240.6397644751	9.329735747765	-1.8300955e-07	7.2851886e-05	-7.285927e-05	-1.883075e-07	False	240.3265596314937	10.234417502171025	0.071075335	0.006342868	25.112234	25.10609	-0.05237481	-0.113597386	1.2369775	23.470602	0.054220174	0.12889181	0.025700446	331	357	0

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decam/splinesky/00292/00292594/decam-00292594-N1.fits	decam	N1	292594	dr8-sky-23-gb530baa	V3.1.1	4235729473	2014-06-18T16:51:20	13.983541	776.33	776.57654	776.36566	775.9702	-140.39929	-18.0141	-11.847168	-7.38501	-3.5635986	0.0026245117	3.5716553	7.397522	11.879761	18.107666	72.725464	0.12891395	0.09888925	decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz	31	decam	292594	N1	hexapod update	2013B-0612	z	30.0	56733.35605804	1.26	7.0714293	2046	4094	242.30483333333333	6.20575	-104.2001	14825.0	242.3048143948	6.205741087661	-1.9446065e-07	7.285809e-05	-7.286214e-05	-1.9358878e-07	False	241.36760338907385	6.125098072247918	0.47049177	13.982382	24.926756	24.927584	-0.07492185	-0.20437104	25.88311	20.042965	0.084980994	0.20796564	0.019522201	279	0
decam/splinesky/00292/00292594/decam-00292594-N10.fits	decam	N10	292594	dr8-sky	V3.1.1	1818148087	2014-06-18T16:51:20	13.965536	775.6102	775.929	775.66907	775.2322	-75.68335	-17.904541	-11.779724	-7.343872	-3.5419922	0.0037231445	3.5612183	7.3675356	11.8341675	18.039062	73.91138	0.14357395	0.10999491	decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz	40	decam	292594	N10	hexapod update	2013B-0612	z	30.0	56733.35605804	1.26	7.280891	2046	4094	242.30483333333333	6.20575	-2358.6	4176.667	242.3048143948	6.205741087661	-1.9446065e-07	7.285809e-05	-7.286214e-05	-1.9358878e-07	False	242.14767254688402	5.958992699662154	0.47104883	13.9648695	24.924236	24.927584	-0.114977	-0.113349445	25.845293	20.044554	0.12215095	0.11916799	0.020289319	325	0
decam/splinesky/00292/00292594/decam-00292594-N11.fits	decam	N11	292594	dr8-sky-23-gb530baa	V3.1.1	2488353636	2014-06-18T16:51:20	13.925859	776.0188	776.3717	776.0575	775.5574	-75.27081	-17.880371	-11.76427	-7.343811	-3.5465088	0.0038452148	3.5526733	7.349121	11.806213	17.997742	72.403076	0.16512458	0.16153845	decam/NonDECaLS/CP20140316/c4d_140317_083408_ooi_z_v1.fits.fz	41	decam	292594	N11	hexapod update	2013B-0612	z	30.0	56733.35605804	1.26	7.6351366	2046	4094	242.30483333333333	6.20575	-2358.6	-82.66665	242.3048143948	6.205741087661	-1.9446065e-07	7.285809e-05	-7.286214e-05	-1.9358878e-07	False	242.4607225516844	5.958038657773752	0.46565512	13.925143	24.925276	24.927584	-0.13090084	-0.10765714	25.861963	20.043852	0.13237187	0.114522316	0.017784137	259	0