[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
[vsnet-chat 496] Re: BL Lac comparison stars
- Date: Sun, 3 Aug 1997 01:59:39 +0900 (JST)
- To: vsnet-chat
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsnet-chat 496] Re: BL Lac comparison stars
- Sender: owner-vsnet-chat@kusastro.kyoto-u.ac.jp
My CCD photometry shows G3206-1959 substantially brighter than the
Tycho catalogue gives (V=11.6). I now seem to understand the source of
this discrepancy: this star is a close double. Tycho probably observed
the brighter component, and my aperture photometry included the both.
Regards,
Taichi Kato
Return to Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
VSNET Home Page