Somers2017

Title: A Measurement of Radius Inflation in the Pleiades and Its Relation to Rotation and Lithium Depletion
Authors: Somers & Stassun

Data is from this paper:
http://iopscience.iop.org/article/10.3847/1538-3881/153/3/101/meta



In [1]:

    
%matplotlib inline
import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd
pd.options.display.max_columns = 150
%config InlineBackend.figure_format = 'retina'
import astropy
from astropy.io import ascii
from astropy.table import Table
import numpy as np

Table 1: Basic Pleiades data

Currently behind a paywall, requires institutional access.



In [2]:

    
#! mkdir ../data/Somers2017
#! wget http://iopscience.iop.org/1538-3881/153/3/101/suppdata/ajaa4ef4t1_mrt.txt
#! mv ajaa4ef4t1_mrt.txt ../data/Somers2017/



In [3]:

    
! head ../data/Somers2017/ajaa4ef4t1_mrt.txt









    



Title: A Measurement of Radius Inflation in the Pleiades 
       and its Relation to Rotation and Lithium Depletion 
Authors: Somers G., Stassun K.G. 
Table: Basic Pleiades Data
================================================================================
Byte-by-byte Description of file: ajaa4ef4t1_mrt.txt
--------------------------------------------------------------------------------
   Bytes Format Units   Label    Explanations
--------------------------------------------------------------------------------
   1-  4 I4     ---     HII      The H II identifier



In [4]:

    
tab1 = ascii.read('../data/Somers2017/ajaa4ef4t1_mrt.txt')



In [5]:

    
#tab1.show_in_notebook(display_length=5)



In [6]:

    
df1 = tab1.to_pandas()
df1.head()









    Out[6]:







  
    
      
      HII
      Tycho
      2MASS
      RAdeg
      DEdeg
      Vmag
      B-V
      e_B-V
      V-Ks
      e_V-Ks
      PRot
      Binary?
    
  
  
    
      0
      25.0
      1803-478-1
      03425511+2429350
      55.729626
      24.493065
      9.47
      0.48
      0.02
      1.207
      0.029
      1.410000
      N
    
    
      1
      34.0
      1803-400-1
      03430293+2440110
      55.762230
      24.669737
      12.03
      0.94
      0.02
      2.303
      0.028
      6.690000
      N
    
    
      2
      97.0
      NaN
      03432662+2459395
      55.860922
      24.994333
      12.50
      1.08
      0.02
      2.705
      0.030
      6.749476
      Y
    
    
      3
      120.0
      1799-118-1
      03433195+2340266
      55.883139
      23.674074
      10.79
      0.70
      0.02
      1.687
      0.029
      3.990000
      N
    
    
      4
      129.0
      1799-1268-1
      03433440+2345429
      55.893373
      23.761917
      11.47
      0.88
      0.02
      2.100
      0.029
      5.440000
      Y

Table 2: Derived stellar properties



In [7]:

    
#! wget http://iopscience.iop.org/1538-3881/153/3/101/suppdata/ajaa4ef4t2_mrt.txt
#! mv ajaa4ef4t2_mrt.txt ../data/Somers2017/



In [8]:

    
tab2 = ascii.read('../data/Somers2017/ajaa4ef4t2_mrt.txt')



In [9]:

    
df2 = tab2.to_pandas()



In [10]:

    
df2.head()



In [11]:

    
df1.to_csv('../data/Somers2017/tb1.csv', index=False)
df2.to_csv('../data/Somers2017/tb2.csv', index=False)

The end!

	HII	Teff	E_Teff	e_Teff	FBol	e_FBol	E_FBol	chi2	ADia	e_ADia	E_ADia	Rad	e_Rad	E_Rad	DelRad	E_DelRad	e_DelRad
0	25	6513	55	68	47.38	1.71	0.59	2.18	8.89	0.23	0.18	1.280	0.044	0.038	6.4	3.7	3.2
1	34	5011	27	34	5.77	0.15	0.21	2.45	5.24	0.09	0.12	0.754	0.022	0.024	4.4	3.0	3.3
2	97	4658	23	28	4.36	0.28	0.26	7.05	5.27	0.18	0.17	0.759	0.031	0.030	15.4	4.7	4.5
3	120	5729	40	49	14.71	0.28	0.29	2.26	6.40	0.12	0.12	0.922	0.027	0.027	3.5	3.0	3.0
4	129	5220	31	38	9.06	0.27	0.28	1.99	6.05	0.12	0.12	0.871	0.026	0.026	14.4	3.4	3.5

	HII	Tycho	2MASS	RAdeg	DEdeg	Vmag	B-V	e_B-V	V-Ks	e_V-Ks	PRot	Binary?
0	25.0	1803-478-1	03425511+2429350	55.729626	24.493065	9.47	0.48	0.02	1.207	0.029	1.410000	N
1	34.0	1803-400-1	03430293+2440110	55.762230	24.669737	12.03	0.94	0.02	2.303	0.028	6.690000	N
2	97.0	NaN	03432662+2459395	55.860922	24.994333	12.50	1.08	0.02	2.705	0.030	6.749476	Y
3	120.0	1799-118-1	03433195+2340266	55.883139	23.674074	10.79	0.70	0.02	1.687	0.029	3.990000	N
4	129.0	1799-1268-1	03433440+2345429	55.893373	23.761917	11.47	0.88	0.02	2.100	0.029	5.440000	Y