Reading FRB Cat [v1.2]

In [53]:

    

# imports
from imp import reload
import numpy as np
from matplotlib import pyplot as plt

from astropy.table import Table
from astropy.time import Time

from frb import frbcat as ffcat
from frb import experiment


    

In [45]:

    

reload(ffcat)
obs = ffcat.FRBCat()


    

    




Using /home/xavier/Projects/FRB/frb/data/FRBs/frbcat_2018-11-07.csv for the FRB catalog

In [46]:

    

obs.frbcat[-5:]


    

    
Out[46]:




Table length=5

frb_name
utc
telescope
rop_raj
rop_decj
rop_gl
rop_gb
rmp_dm
rmp_width
rmp_snr
RA
DEC
str11
str23
str7
str11
str11
float64
float64
str18
float64
float64
float64
float64
FRB110214
2011-02-14 07:14:10.353
parkes
01:21:17
-49:47:11
290.7
-66.6
168.9&plusmn0.5
1.9
13.0
20.351647596049716
-49.81046938710202
FRB090625
2009-06-25 21:53:51.379
parkes
03:07:47
-29:55:36
226.444
-60.0303
899.55&plusmn0.01
1.92
30.0
46.94584178165078
-29.92670986660156
FRB010724
2001-07-24 19:50:01.690
parkes
01:18:06
-75:12:18
300.653
-41.8051
375
5.0
23.0
19.525065904947255
-75.20496347123685
FRB010621
2001-06-21 13:02:11.299
parkes
18:52:05
-08:29:35
25.434
-4.00381
745&plusmn10
7.0
16.3
283.0208291465951
-8.493049586958135
FRB010125
2001-01-25 00:29:15.790
parkes
19:06:53
-40:37:14
356.641
-20.0206
790&plusmn3
9.4
17.0
286.72072305094264
-40.62064517309942

In [49]:

    

times = Time(obs.frbcat['utc'])


    

In [50]:

    

times.jyear


    

    
Out[50]:





array([2018.395998  , 2018.22559088, 2018.20044398, 2018.1176992 ,
       2018.0827916 , 2018.0799595 , 2018.0744799 , 2018.07403537,
       2018.05069716, 2018.02550495, 2017.95824622, 2017.94962103,
       2017.87576917, 2017.80133086, 2017.79893275, 2017.75671848,
       2017.7540638 , 2017.68116766, 2017.65415678, 2017.5278772 ,
       2017.51338043, 2017.3230713 , 2017.29080389, 2017.01940287,
       2016.43439238, 2016.27339277, 2016.20773559, 2016.00233603,
       2015.9950106 , 2015.92816541, 2015.59820886, 2015.43799336,
       2015.29277723, 2015.12487964, 2014.86604099, 2014.36610043,
       2013.843266  , 2013.57392549, 2013.48847441, 2013.48424975,
       2012.83716611, 2012.75304074, 2012.07074941, 2011.50250908,
       2011.48363619, 2011.38981354, 2011.13642825, 2011.12060646,
       2009.48230637, 2001.56146861, 2001.47034411, 2001.06644852])

In [55]:

    

bins = np.arange(2001, 2020,1)
bins


    

    
Out[55]:





array([2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
       2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019])

In [60]:

    

plt.clf()
ax = plt.gca()
ax.hist(times.jyear, bins=bins)
#
plt.show()


    

In [3]:

    

reload(ffcat)
obs = ffcat.FRBCat(frbcat_file='frbcat_2017-04-06.csv')
obs


    

    




Using /home/xavier/Projects/FRB/frb/data/FRBs/frbcat_2017-04-06.csv for the FRB catalog






    
Out[3]:





<FRBCat:  FRB Catalog with 21 sources
>

In [4]:

    

obs.frbcat[0:5]


    

    
Out[4]:




Table masked=True length=5

Name
Telescope
Type
UTC
Beam
Receiver
Backend
RAJ
DECJ
Pointing Error
FWHM
Sampling Time
Bandwidth
Centre Frequnecy
Bits per Sample
Gain
System Temperature
NE2001 DM Limit
DM
DM error
SNR
Width
Width error lower
Width error upper
Flux
Flux error lower
Flux error upper
DM Index
DM Index Error
Scattering Index
Scattering Index Error
Scattering Time
Scattering Time Error
Linear Polarization Fraction
Linear Polarization Fraction Error
Circular Polarization Fraction
Circular Polarization Fraction Error
Photometric Redshift
Photometric Redshift Error
Spectroscopic Redshift
Spectroscopic Redshift Error
Reference
RA
DEC
str9
str7
str5
str19
int64
str6
str18
str8
str9
int64
float64
float64
float64
int64
int64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
float64
int64
float64
float64
float64
float64
float64
str97
float64
float64
FRB010125
parkes
radio
2001-01-25 00:29:14
5
MB20
AFB
19:06:53
-40:37:14
11
15.0
0.125
288.0
--
1
0.69
28.0
110.0
790.0
3.0
17.0
9.4
0.2
0.2
0.3
--
--
2.0
0.01
-4.2
1.2
--
--
--
--
--
--
--
--
--
--
Burke-Spolaor S., Bannister K. W., 2014, ApJ, 792, 19
286.7208333333333
-40.620555555555555
FRB010125
parkes
radio
2001-01-25 00:29:14
5
MB20
AFB
19:06:53
-40:37:14
11
15.0
0.125
288.0
--
1
0.69
28.0
110.0
790.3
3.0
25.0
10.6
2.5
2.8
0.54
0.07
0.11
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Burke-Spolaor S., Bannister K. W., 2014, ApJ, 792, 19
286.7208333333333
-40.620555555555555
FRB010621
parkes
radio
2001-06-21 13:02:09
10
MB20
AFB
18:52:05
-08:29:35
11
15.0
0.25
288.0
--
1
0.581
28.0
523.0
748.0
3.0
18.0
8.0
2.25
4.0
0.53
0.09
0.26
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Keane E. F., Kramer M., Lyne A. G., Stappers B. W., McLaughlin M. A., 2011, MNRAS, 415, 3065
283.0208333333333
-8.493055555555555
FRB010621
parkes
radio
2001-06-21 13:02:09
10
MB20
AFB
18:52:05
-08:29:35
11
15.0
0.25
288.0
--
1
0.581
28.0
523.0
745.0
10.0
--
7.0
--
--
0.41
--
--
2.02
0.01
--
--
--
--
--
--
--
--
--
--
--
--
Keane E. F., Kramer M., Lyne A. G., Stappers B. W., McLaughlin M. A., 2011, MNRAS, 415, 3065
283.0208333333333
-8.493055555555555
FRB010724
parkes
radio
2001-07-24 19:50:00
6
MB20
AFB
01:18:06
-75:12:18
11
15.0
1.0
288.0
--
1
0.69
28.0
44.58
375.0
3.0
100.0
20.0
0.0
0.0
1.574
0.0
0.0
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Lorimer D. R., Bailes M., McLaughlin M. A., Narkevic, D. J., Crawford F., 2007, Science, 318, 777
19.525
-75.205

In [7]:

    

from astropy.coordinates import SkyCoord


    

In [9]:

    

c = SkyCoord(b=23.2, l=232.2, frame='galactic', unit='deg')


    

In [10]:

    

c


    

    
Out[10]:





<SkyCoord (Galactic): (l, b) in deg
    (232.2, 23.2)>

In [ ]: