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: http://www.sao.ru/cats/doc/DRAO.html
Дата изменения: Wed Mar 18 12:25:11 2015 Дата индексирования: Sun Apr 10 00:25:42 2016 Кодировка: Поисковые слова: galactic cluster |
The record format is as follows: First Record: Position Contents 2-4 DRAO table number (each DRAO survey is assigned one or more numbers) 6-8 Source number (in given table) 10 Component indicator ("A", "B", etc.) 12-13 RA (hours) 15-16 RA (min) 18-22 RA (sec) (XX.XX) 24-28 RA error (sec) (XX.XX) (blank=unknown) 30 Sign of declination 31-32 DEC (degrees) 34-35 DEC (arcmin) 37-40 DEC (arcsec) (XX.X) 42-45 DEC error (arcsec) (XX.X) (blank=unknown) 47 Epoch of coordinates (1=B1950, 2=J2000, 3=unknown) 49 Type of position determination (1=rough estimate, 2=centroid, 3=peak, 4=fitted Gaussian, 5=unknown) 51-56 Flux #1 (variable format) 58-62 Error in flux #1 (variable format, may be blank) 64 Units for flux #1 (1=Jy, 2=mJy) 66 Type of flux #1 (1=total (integrated), 2=peak) 68 Type of flux determination for flux #1 (1=sum of positive values above baselevel, 2=sum of values about baselevel, 3=fitted Gaussian, 4=unknown) 70-75 Flux #2 (variable format) 77-81 Error in flux #2 (variable format, may be blank) 83 Units for flux #2 (1=Jy, 2=mJy) 85 Type of flux #2 (1=total (integrated), 2=peak) 87 Type of flux determination for flux #2 (1=sum of positive values above baselevel, 2=sum of values about baselevel, 3=fitted Gaussian, 4=unknown) 89-92 Frequency (GHz) (1.42 or .408) 94-97 Major half-power width (variable format) 99-102 Minor half-power width (variable format) 104-108 Position angle (deg) (variable format) 110 Units for widths (1=arcmin, 2=arcsec) 112 Type of shape determination (1= approximate diameter (minor width blank), 2=fitted Gaussian, 3=unknown) 114 Shape qualifier (1=may be affected by delay beam, blank=reliable estimate) 116-119 Date of observation (years from 1900) (XX.X) 121-130 Comments 131 Comment continuation (non-blank and non- zero if comments are continued in next record) Second Record: Position Contents 1-93 Same as first record 94-129 Continued comments 131 Comment continuation (non-blank and non- zero if comments are continued in next record) Third Record: (same as preceding record)