Title: UBVI and H{alpha} Photometry of the Young Open Cluster NGC 2244  
Authors: Park B.-G., Sung H. 
Table: Photometric Data of NGC 2244
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Byte-by-byte Description of file: datafile2.txt
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   Bytes Format Units   Label   Explanations
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   1-  3 I3     ---     ID      Object identification number (1)
   5-  6 I2     h       RAh     Hour of Right Ascension (J2000)
   8-  9 I2     min     RAm     Minute of Right Ascension (J2000)
  11- 14 F4.1   s       RAs     Second of Right Ascension (J2000)
  16- 17 I2     deg     DEd     Degree of Declination (J2000)
  19- 20 I2     arcmin  DEm     Arcminute of Declination (J2000)
  22- 23 I2     arcsec  DEs     Arcsecond of Declination (J2000)
  25- 30 F6.3   mag     Vmag    The V band magnitude
  32- 36 F5.3   mag     V-I     The (V-I) color
  38- 42 F5.3   mag     B-V     ? The (B-V) color
  44- 49 F6.3   mag     U-B     ? The (U-B) color
  51- 56 F6.3   mag     Halpha  ? The H{alpha} index (2) 
  58- 62 F5.3   mag   e_Vmag    The error in Vmag  
  64- 68 F5.3   mag   e_V-I     The error in V-I
  70- 74 F5.3   mag   e_B-V     ? The error in B-V
  76- 80 F5.3   mag   e_U-B     ? The error in U-B 
  82- 86 F5.3   mag   e_Halpha  ? The error in Halpha 
  88- 88 I1     ---   o_Vmag    Number of observation in Vmag
  90- 90 I1     ---   o_V-I     Number of observations in V-I
  92- 92 I1     ---   o_B-V     Number of observations in B-V 
  94- 94 I1     ---   o_U-B     Number of observations in U-B 
  96- 96 I1     ---   o_Halpha  Number of observations in Halpha
  98-102 A5     ---     OIID    Ogura & Ishida (1981) identification number
 104-105 I2     %       Prob    ? Membership probability based on proper motion
 107-108 I2     ---   q_Prob    ? Quality of Prob (3)
 110-119 A10    ---     SpType  Spectral type (4)   
 121-129 A9     ---     Rem     Additional remarks
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Note (1): The brightest stars HD 46150 (O5 V(f)) and HD 46223 (O4 V(f)) are 
          not included. 
Note (2): Defined as H{alpha} band - (V+I)/2 magnitude.
Note (3): From Marschall, van Altena & Chiu (1982).
Note (4): Spectral type from Verschueren (1991) except star No. 58, 281 
          (Hoag & Smith 1959) and No. 184 (Morgan et al. 1965). 
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