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J/AJ/105/499     OB Associations and Spiral Structure in M33    (Regan+ 1993)

OB Associations and Spiral Structure in the Southern Arm of M33 Regan M.W., Wilson C.D. <Astron. J. 105, 499 (1993)> =1993AJ....105..499R
ADC_Keywords: Galaxies, nearby - Photometry, UBV Description: This file contains UBV photometry for the brightest stars in the southern spiral arm of M33. All stars brighter than V=21 are included in this file. For details on the observations and data reduction see reference. All the data is in ASCII format of the file. The observations where carried out on the Palomar 60in. telescope. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 87 2018 The observations
Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
2- 5 I4 --- ID [1/2018]+ Star ID 8 I1 h RAh Right Ascension (1950) 10- 11 I2 min RAm Right Ascension (1950) 13- 16 F4.1 s RAs Right Ascension (1950) 18- 21 I4 pix X X Coordinate 23- 27 F5.2 mag V V band Magnitude 29- 33 F5.2 mag B B band Magnitude 35- 39 F5.2 mag U ? U band Magnitude (blank if undetermined) 41- 45 F5.2 mag B-V B-V Magnitude 47- 51 F5.2 mag U-B ? U-B Magnitude (blank if undetermined) 53- 54 I2 --- ass [22/58]? Association number containing star 56 A1 --- DE- Sign of Declination (1950) 57- 58 I2 deg DEd [30] Declination (1950) 60- 61 I2 arcmin DEm Declination (1950) 63- 64 I2 arcsec DEs Declination (1950) 66- 69 I4 pix Y Y Coordinate 72- 75 F4.2 mag e_V V uncertainty 78- 81 F4.2 mag e_B B uncertainty 84- 87 F4.2 mag e_U ? U uncertainty (blank if undetermined)

(End) M. W. Regan and N. G. Roman [NASA/NSSDC/ADC] 1994-08-09
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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