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ApJdataFrames 012: Allers2007

Title: New Low‐Mass Stars and Brown Dwarfs with Disks in Lupus
Authors: P R Allen, Kevin L Luhman, Myers, P. C., S T Megeath, Lori E Allen, L Hartmann, and G G Fazio

Data is from this paper:
http://iopscience.iop.org/0004-637X/655/2/1095/fulltext/





In [1]:



    


%pylab inline
import seaborn as sns



    


















    






Populating the interactive namespace from numpy and matplotlib

















In [2]:



    


import warnings
warnings.filterwarnings("ignore")



    











In [3]:



    


import pandas as pd

Table 1 - Previously known members of Lupus





In [4]:



    


names = ["2MASS","Other_Name","J - H","H - Ks","Ks","[3.6]","[4.5]","[5.8]","[8.0]","[24]"]

tbl1 = pd.read_csv("http://iopscience.iop.org/0004-637X/655/2/1095/fulltext/70464.tb1.txt", 
                   sep='\t', names=names, na_values='\ldots')
tbl1.head()



    


















    
Out[4]:










  
    

      
      2MASS
      Other_Name
      J - H
      H - Ks
      Ks
      [3.6]
      [4.5]
      [5.8]
      [8.0]
      [24]
    

  
  
    

      0
       J16074959-3904287
       Lupus 3 28
       0.64
       0.25
       10.56
       10.35 \pm 0.03
       10.27 \pm 0.03
       10.25 \pm 0.03
       10.26 \pm 0.03
                 NaN
    

    

      1
       J16075230-3858059
            Sz 95
       0.73
       0.27
       10.01
                  NaN
        9.38 \pm 0.03
        9.13 \pm 0.03
                  NaN
       6.12 \pm 0.04
    

    

      2
       J16075996-3857510
          TTS 106
       0.69
       0.25
        8.70
        8.59 \pm 0.03
        8.55 \pm 0.03
        8.57 \pm 0.03
        8.57 \pm 0.04
       8.49 \pm 0.09
    

    

      3
       J16081096-3910459
             F304
       0.62
       0.15
        9.61
        9.50 \pm 0.03
        9.49 \pm 0.03
        9.47 \pm 0.03
        9.48 \pm 0.04
       9.27 \pm 0.11
    

    

      4
       J16081263-3908334
          HBC 615
       0.78
       0.39
        8.96
        7.69 \pm 0.03
        7.25 \pm 0.03
        6.97 \pm 0.03
        6.38 \pm 0.03
       4.21 \pm 0.03

Table 2 - New Members of Lupus 3





In [5]:



    


names = ["2MASS","Spectral_Type","Membership Evidence","J - H","H - Ks","Ks","[3.6]","[4.5]","[5.8]","[8.0]","[24]"]
tbl2 = pd.read_csv("http://iopscience.iop.org/0004-637X/655/2/1095/fulltext/70464.tb2.txt", 
                   sep='\t', names=names, na_values='\ldots')
tbl2.head()



    


















    
Out[5]:










  
    

      
      2MASS
      Spectral_Type
      Membership Evidence
      J - H
      H - Ks
      Ks
      [3.6]
      [4.5]
      [5.8]
      [8.0]
      [24]
    

  
  
    

      0
       J16073773-3921388
       M5.75
              e, Na K, Fe H, ex
       0.67
       0.44
       12.13
       11.54 \pm 0.03
       11.18 \pm 0.03
       10.87 \pm 0.03
       10.13 \pm 0.04
       7.77 \pm 0.07
    

    

      1
       J16080017-3902595
       M5.25
             Li, Na K, Fe H, ex
       0.69
       0.38
       11.07
       10.57 \pm 0.03
       10.19 \pm 0.03
        9.92 \pm 0.03
        9.29 \pm 0.04
                 NaN
    

    

      2
       J16081497-3857145
       M4.75
                 Na K, Fe H, ex
       1.01
       1.07
       13.13
       11.93 \pm 0.03
       11.29 \pm 0.03
       10.79 \pm 0.03
       10.24 \pm 0.04
       7.56 \pm 0.07
    

    

      3
       J16083733-3923109
       M7.75
       e, Na K, Fe H, ex, A_{V}
       0.93
       0.41
       13.83
       12.72 \pm 0.03
       12.41 \pm 0.05
       12.10 \pm 0.04
       11.49 \pm 0.06
       6.81 \pm 0.04
    

    

      4
       J16085373-3914367
        M5.5
       e, Na K, Fe H, ex, A_{V}
       1.53
       0.92
       12.52
       11.45 \pm 0.03
       11.03 \pm 0.03
       10.71 \pm 0.03
       10.11 \pm 0.04
                 NaN

Table 3 - Candidate members of Lupus 3





In [6]:



    


names = ["ID","J - H","H - Ks","Ks","[3.6]","[4.5]","[5.8]","[8.0]","[24]"]
tbl3 = pd.read_csv("http://iopscience.iop.org/0004-637X/655/2/1095/fulltext/70464.tb3.txt", 
                   sep='\t', names=names, na_values='\ldots')
tbl3.head()



    


















    
Out[6]:










  
    

      
      ID
      J - H
      H - Ks
      Ks
      [3.6]
      [4.5]
      [5.8]
      [8.0]
      [24]
    

  
  
    

      0
       2MASS J16075475-3915446
       1.09
       1.66
       14.45
       12.54 \pm 0.03
       11.74 \pm 0.03
       11.14 \pm 0.03
       10.64 \pm 0.04
       7.23 \pm 0.05
    

    

      1
       2MASS J16080175-3912316
       1.34
       0.81
       14.25
       13.43 \pm 0.03
       13.07 \pm 0.04
       12.62 \pm 0.05
       11.90 \pm 0.08
       8.39 \pm 0.10
    

    

      2
       2MASS J16080618-3912225
       1.50
       0.86
        7.67
        6.81 \pm 0.03
        6.51 \pm 0.03
        6.28 \pm 0.03
        5.75 \pm 0.03
       4.06 \pm 0.03
    

    

      3
        IRAC J16082811-3913098
        NaN
        NaN
         NaN
       12.07 \pm 0.03
       11.90 \pm 0.03
       11.64 \pm 0.03
       10.78 \pm 0.04
       7.85 \pm 0.06
    

    

      4
        IRAC J16083010-3922592
        NaN
        NaN
         NaN
       15.18 \pm 0.05
       14.66 \pm 0.04
       13.88 \pm 0.08
       12.69 \pm 0.09
       8.79 \pm 0.09
    

  




















In [7]:



    


sns.set_context("notebook", font_scale=1.5)



    











In [8]:



    


plt.plot(tbl1["H - Ks"], tbl1["J - H"], '.', label = 'Known Members')
plt.plot(tbl2["H - Ks"], tbl2["J - H"], 'o', label = 'New Members')
plt.plot(tbl3["H - Ks"], tbl3["J - H"], '*', label = 'Candidates', )

plt.ylabel(r"$J-H$")
plt.xlabel(r"$H-K_S$")
plt.title("Allen et al. 2007 Lupus III members")
plt.legend(loc='best')



    


















    
Out[8]:








<matplotlib.legend.Legend at 0x112908590>

The end.

Content source: BrownDwarf/ApJdataFrames

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