Abell 1377 (Ursa Major I)

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We present photographic V25 and B25 magnitudes and colour indices for 114 galaxies within a ... arcmin square field centred on the cluster Abell 1377.

Data Format

  1. identification number
  2. V25, integrated V-band magnitude within the 25 V mag.arcsec-2 isophote
  3. B25, integrated B-band magnitude within the 25 B mag.arcsec-2 isophote
  4. CI25, (B - V) colour of the image bounded by the 25 B mag.arcsec-2 isophote
  5. notes
The internal precision of the magnitudes as determined by repeated scans is 0·09 mag in V25 and 0·12 mag in B25. Images in a disk of radius 4 arcmin centred on the bright star BD +56 1544 have been excluded owing to the halo of the stellar image. The sample is essentially complete brightward of V25 = 17·8.


Links to Data Files

(To be completed) 

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[End of document, updated to 25 April 1997]