[vsnet-obs 19388] [FWD] SN 1999aa (Apache Point)

[Hitoshi YAMAOKA <yamaoka@rc.kyushu-u.ac.jp>]

>From: Kevin Krisciunas <kevin@orca.astro.washington.edu>
To: David Bishop <dbishop@kodak.com>, observations@aavso.org,
        yamaoka@rc.kyushu-u.ac.jp
cc: Brian Skiff <bas@lowell.edu>, kirshner@cfa.harvard.edu,
        alex@astron.Berkeley.EDU
Subject: Supernova 1999aa
In-Reply-To: <199902182141.QAA09001@sadin.dtc.kodak.com>
Message-ID: <1900019388@hoge.baba.hajime.jp>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Status: RO


Service observing obtained at Apache Point Observatory, New Mexico,
using 3.5-m telescope and instrument SPIcam, reduced by Kevin Krisciunas,
University of Washington:

SN 1999aa, February 19.099 UT, 1999 (JD 2451228.599) :

V = 14.78, B-V = +0.03, U-B = -0.99

internal errors +/- 0.01, 0.01, 0.08

zero points and color terms fixed with observations of 6 stars using
Landolt's photometry of Rubin 149 field.  Two frames were
obtained of SN field in each filter, only one frame/filter  on comp
field. (Weather was not really very good.)


>From: Kevin Krisciunas <kevin@orca.astro.washington.edu>
To: Hitoshi YAMAOKA <yamaoka@rc.kyushu-u.ac.jp>
Subject: Re: Supernova 1999aa
In-Reply-To: <199902230352.MAA00160@rcsvr.rc.kyushu-u.ac.jp>
Message-ID: <1900019388@hoge.baba.hajime.jp>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Status: RO


you wrote -
> Can I put this data to vsnet light curve database?  

By all means use the Feb 19 data on 1999aa for your web site.
I took R-band and I-band data too, but the two integrations on
the supernova did not give consistent results.  V and B in particular
were very consistent with each other.


Kevin

----
Reformatted:

SN1999aa  990219.099   14.78V Apache Point
SN1999aa  990219.099   14.81B Apache Point
SN1999aa  990219.099   13.82U Apache Point

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