Re: GSC 748-1618 period

[Patrick Wils <patrickwils@yahoo.com>]

--- Michael Koppelman <lolife@bitstream.net> wrote:
>  From the databases this appears to be a K-type star with B-R=1.4 
> (USNO-B1.0) and B-V=0.97 (Tycho-2) and probably a Cepheid of some
> sort.

This star is an RRab star.  The RRab stars LU Aps and TY Pav have
comparable colors and periods: LU Aps 0.76 days and B-V=1.17, TY Pav
0.71 days and B-V=1.10.  The light curve is also typical for an RRab.

Patrick


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