UBVRI CCD photometry of the old open cluster NGC 6253 A. Bragaglia, G. Tessicini, M. Tosi, G. Marconi, U. Munari 1997, MNRAS 294, 477 ================================================================================ File Summary: File Name Lrec Records Explanations read.me 80 This file table.ubvrixy 58 5107 U,B,V,R,I,x,y for stars in NGC6253 table.radec 50 4 x,y and Ra,Dec coords for 4 stars File table.ubvrixy ------------------------------------------------------------------------------- Bytes Format Units Explanations 1-5 I5 Star number 7-12 F6.3 U magnitude 14-19 F6.3 B magnitude 21-26 F6.3 V magnitude 28-33 F6.3 R magnitude 35-40 F6.3 I magnitude 42-49 F8.3 X coordinate (pixel) 51-58 F8.3 Y coordinate (pixel) File table.radec ------------------------------------------------------------------------------- Bytes Format Units Explanations 1-1 I1 Number 4-7 I4 Star number in table.ubvrixy 12-17 F6.3 x coord (pixel) 19-24 F6.3 y coord (pixel) 27-28 I2 RA(2000) hours 30-31 I2 RA(2000) minutes 33-37 F5.2 RA(2000) seconds 39-41 I3 DEC(2000) degrees 43-44 I2 DEC(2000) arcmin 46-50 F5.2 DEC(2000) arcsec