GSC 748-1618 color

[Patrick Wils <patrickwils@yahoo.com>]

--- Arne Henden <aah@nofs.navy.mil> wrote:
> An RR Lyr gets bluer at maximum than minimum; the TASS
> data do not support that.  The (V-I) color is somewhat
> outside the normal range of RR Lyrs as well, though the field
> could be reddened (I haven't checked that).
> 
> Michael Koppelman wrote:
> > TASS V-I for the variable star:
> > Average 0.76
> > Min     0.65
> > Max     0.94
> > Std Dev 0.06

For what it's worth: TASS V-I is largest (redder) when the star is at
its faintest, and smallest (bluer) when at maximum.  This would agree
with the RR Lyr type.

Patrick


__________________________________________________
Do you Yahoo!?
Yahoo! Shopping - Send Flowers for Valentine's Day
http://shopping.yahoo.com