Title: The T Tauri Star Population of the Young Cluster NGC 2264 
Authors: Dahm S.E., Simon T. 
Table: H{alpha} Emission Stars in NGC 2264
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Byte-by-byte Description of file: datafile1.txt
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   Bytes Format Units     Label   Explanations
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   1-  3 I3     ---       Num     Identification number
   5-  6 I2     h         RAh     Hour of Right Ascension (J2000) (1)
   8-  9 I2     min       RAm     Minute of Right Ascension (J2000) (1)
  11- 15 F5.2   s         RAs     Second of Right Ascension (J2000) (1)
  17- 19 I3     deg       DEd     Degree of Declination (J2000) (1)
  21- 22 I2     arcmin    DEm     Arcminute of Declination (J2000) (1)
  24- 27 F4.1   arcsec    DEs     Arcsecond of Declination (J2000) (1)
  29- 33 F5.2   mag       Vmag    ? The V band magnitude (2)
  35- 38 F4.2   mag       V-R     ? The (V-R_c_) color (2)
  40- 43 F4.2   mag       V-I     ? The (V-I_c_) color (2)
  45- 49 F5.2   mag       Jmag    ? 2MASS Point Source Catalog J band magnitude
  51- 54 F4.2   mag       J-H     ? 2MASS Point Source Catalog (J-H) color 
  56- 59 F4.2   mag       H-K     ? 2MASS Point Source Catalog (H-K) color 
  61- 68 A8     ---       SpType  Spectral type (3) 
  70- 75 F6.2   0.1nm     EW-Ha   ? H{alpha} equivalent width in Angstroms (4)
      76 A1     ---     f_EW-Ha   [:k] Flag on EW-Ha (5) 
  78- 81 F4.2   0.1nm     EW-Li   ? Li I equivalent width in Angstroms (6) 
      82 A1     ---     u_EW-Li   Uncertainty flag in EW-Li
  84- 88 F5.2   [10-7W]   logL    ? Log of the XMM-EPIC X-ray luminosity 
                                   in units of erg/s  
  90- 94 F5.2   [10-7]  e_logL    ? The 1{sigma} error in logL  
  96- 99 A4     ---       Ha      Known emission source H{alpha} number (7)
 101-106 A6     ---       R2002   The Rebull et al. (2002) number 
 108-115 A8     ---       GCVS    General Catalog of Variable Stars designation
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Note (1): Astrometry obtained from plate solutions for UH 2.2 meter optical 
          imaging, literature, DSS, or SIMBAD 
Note (2): Optical photometry from UH 2.2 meter, SBL97, Flaccomio et al. (1999),
          Park et al. (2000), Rebull et al. (2002), or Lamm et al. (2004). 
Note (3): Spectral types from GMOS data or the literature. 
Note (4): From WFGS or GMOS spectroscopy. 
Note (5):
    : = uncertain value;
    k = Strong emission with weak or no continuum.
Note (6): From GMOS sprectroscopy. 
Note (7):
    L = LH{alpha};
    K = Kiso H{alpha};
    E = ESO H{alpha};
    H = HBC or
    IH{alpha} number. 
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