`ApJdataFrames` 009: Luhman2009

Title: An Infrared/X-Ray Survey for New Members of the Taurus Star-Forming Region
Authors: Kevin L Luhman, E. E. Mamajek, P R Allen, and Kelle L Cruz

Data is from this paper:
http://iopscience.iop.org/0004-637X/703/1/399/article#apj319072t2



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 2- Members of Taurus in Spectroscopic Sample



In [4]:

    
tbl2 = pd.read_csv("http://iopscience.iop.org/0004-637X/703/1/399/suppdata/apj319072t2_ascii.txt", 
                   nrows=43, sep='\t', skiprows=2, na_values=[" sdotsdotsdot"])
tbl2.drop("Unnamed: 10",axis=1, inplace=True)

Clean the column names.



In [5]:

    
new_names = ['2MASS', 'Other_Names', 'Spectral_Type', 'T_eff', 'A_J','L_bol','Membership',
       'EW_Halpha', 'Basis of Selection', 'Night']
old_names = tbl2.columns.values
tbl2.rename(columns=dict(zip(old_names, new_names)), inplace=True)



In [6]:

    
tbl2.head()









    Out[6]:






  
    
      
      2MASS
      Other_Names
      Spectral_Type
      T_eff
      A_J
      L_bol
      Membership
      EW_Halpha
      Basis of Selection
      Night
    
  
  
    
      0
       J04034997+2620382
           XEST 06-006
       M5.25
       3091
       0.00
       0.012
            NaK, mu
         9 +or- 0.5
       X-ray
       11
    
    
      1
       J04144739+2803055
           XEST 20-066
       M5.25
       3091
       0.00
       0.120
            NaK, mu
       8.5 +or- 0.5
       X-ray
       21
    
    
      2
       J04145234+2805598
           XEST 20-071
       M3.25
       3379
       0.78
       0.840
       A_V, NaK, mu
       7.5 +or- 0.5
       X-ray
       17
    
    
      3
       J04153916+2818586
                   NaN
       M3.75
       3306
       0.56
       0.270
       ex, NaK, A_V
          14 +or- 1
          IR
        7
    
    
      4
       J04154278+2909597
       IRAS 04125+2902
       M1.25
       3669
       0.56
       0.280
        A_V, ex, mu
       2.3 +or- 0.3
          IR
       45



In [7]:

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



In [8]:

    
plt.plot(tbl2.T_eff, tbl2.L_bol, '.')
plt.ylabel(r"$L/L_{sun}$")
plt.xlabel(r"$T_{eff} (K)$")
plt.yscale("log")
plt.title("Luhman et al. 2009 Taurus Members")
plt.xlim(5000,2000)









    Out[8]:





(5000, 2000)

Save the data tables locally.



In [10]:

    
! mkdir ../data/Luhman2009



In [11]:

    
tbl2.to_csv("../data/Luhman2009/tbl2.csv", sep="\t")

The end.

	2MASS	Other_Names	Spectral_Type	T_eff	A_J	L_bol	Membership	EW_Halpha	Basis of Selection	Night
0	J04034997+2620382	XEST 06-006	M5.25	3091	0.00	0.012	NaK, mu	9 +or- 0.5	X-ray	11
1	J04144739+2803055	XEST 20-066	M5.25	3091	0.00	0.120	NaK, mu	8.5 +or- 0.5	X-ray	21
2	J04145234+2805598	XEST 20-071	M3.25	3379	0.78	0.840	A_V, NaK, mu	7.5 +or- 0.5	X-ray	17
3	J04153916+2818586	NaN	M3.75	3306	0.56	0.270	ex, NaK, A_V	14 +or- 1	IR	7
4	J04154278+2909597	IRAS 04125+2902	M1.25	3669	0.56	0.280	A_V, ex, mu	2.3 +or- 0.3	IR	45

ApJdataFrames 009: Luhman2009

Table 2- Members of Taurus in Spectroscopic Sample

Save the data tables locally.

`ApJdataFrames` 009: Luhman2009