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[vsnet-obs 2146] BZ UMa's current brightness appears to be "normal"
- Date: Mon, 19 Feb 1996 02:02:58 -0600
- To: vsnet-alert@kusastro.kyoto-u.ac.jp
- From: "Caffey James F." <jfc898s@astro.smsu.edu>
- Subject: [vsnet-obs 2146] BZ UMa's current brightness appears to be "normal"
- Cc: vsnet-obs@kusastro.kyoto-u.ac.jp, cob585f@cnas.smsu.edu
- Organization: SMSU Astronomy Research Lab
- Sender: owner-vsnet-obs@kusastro.kyoto-u.ac.jp
Well, we've now fully reduced last night's data on BZ UMa, and found
V = 15.88 +- 0.07
B-V = -0.02 +- 0.12
The rough estimate that we made on-site was based only on peak counts,
and turned out to be about a magnitude brighter than the truth. Sorry
about that. This is still well above the minimum of 17.8, but as we
*now* know from Jarcevic et al. (thank you Dr. Kato for the reference!)
the normal range for this star is near to V=15. If anything, it's a
bit below normal right now, though it seems to vary by up to a magnitude
on timescales of a day or two. There's certainly no need for any
special alert. (Of course, having said that, it will probably
superoutburst two days from now! 8-)
Sorry for the false alarm. It wouldn't have happened if we'd had better
references from the start.
Claia Bryja cob585f@cnas.smsu.edu
Jim Caffey jfc898s@astro.smsu.edu