[vsnet-chat 5230] Re: GK Per 118 S COMP

[Thom Gandet <tgandet@mindspring.com>]

   Is the V minus GSC difference is a systematic one for stars of that
color?  V photometry by Ouda of three CI Cam comparison stars is 0.28
± 0.14 (sd) magnitude brighter than the GSC magnitude, with a not
unexpectedly strong dependence on color.  B-V for the Ouda stars runs
from +0.50 to +1.59.


Regards,
Thom

Brian Skiff wrote:
> 
>      It looks as though the GSC magnitudes are running ~0.2 mag. brighter
> than V for the stars Kato-san showed.  Thus Linnolt's estimate of 11.5
> (versus 11.32 in the GSC) looks about right.

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