[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: HD 189735



Cool. This will be an interesting one for me to work on. It 
transits about 10pm, so we don't have a lot of time before it 
starts to descend into the muck. Again, I'd like to encourage 
y'all to grab some data. I was thinking maybe I'd switch to Rc 
since I can get better S/N. Perhaps someone could help us fill 
in V and Ic?

Thanks!
Michael Koppelman

On Wednesday, September 11, 2002, at 09:06  PM, Dirk Terrell wrote:

> Ok, I don't know what I was thinking earlier, but this all makes sense.
> In I, the primary eclipse is shallower and the secondary deeper than in
> V. That's exactly what you'd expect. And V-I is trending from -0.3
> outside eclipse to -0.25 (i.e becoming less negative, thus redder). So
> all that is what you'd expect. You've most likely got a short-period
> Algol.