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[vsnet-chat 6149] Photometry reference file



     I have put a new copy of my large photometry reference file at the
Lowell ftp area:

http://ftp.lowell.edu/pub/bas/starcats/loneos.phot         (2.8Mb)
http://ftp.lowell.edu/pub/bas/starcats/loneos.phot.gz      (700Kb)
http://ftp.lowell.edu/pub/bas/starcats/loneos.ref          (128Kb)

...for the flat ASCII, gzip-compressed, and reference files, respectively.
     There are not a lot of new additions, only minor changes.  The file
contains BVRI photometry as available for some 33800 stars all over the
sky with V > 10; most of the stars are between 12th and 18th magnitude.
It is thus suitable for calibration of wide-field images and other tasks.
Most of the stars are in sequences near variable stars and supernovae,
active galaxies, on the periphery of star clusters, etc.  Though some
bona-fide standard stars are included, in general the intention is to
provide local zero-point stars reliable at the ~0.05 mag. level or better.

\Brian


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