[vsnet-obs 15923] SN1998eb correction (Beam)

[Taichi Kato <tkato>]

From wbeam@ptialaska.net Sat Oct  3 05:33 JST 1998
From: "Bill Beam" <wbeam@ptialaska.net>
To: "Stefano Pesci" <peste@micronet.it>,
        "Taichi Kato" <tkato@kusastro.kyoto-u.ac.jp>
Date: Fri, 02 Oct 1998 12:29:56 -0800
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Subject: SN1998eb magnitude correction
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Hello Stefano,
Hello Taichi,

I have again reviewed my data and found error in measuring
the 980929.307 image.  My revised measurement is shown
below.  

Observatory location:  Fairbanks, AK at 147 40 16 W, 64 51 55 N, 198 m elevation.
Telescope:  AstroPhysics 180mm f/9.
Camera:  ST8.
Filter:  none.
Image processing and magnitude estimates by MaxIm_DL.

Measured wrt GSC4348
 star 1892 mag 14.6
 star      67 mag 14.0
 GSC4344
 star 1828 mag 14.7
 star 1777 mag 16.1
 star 1916 mag 16.7
 
YYMMDD (UTC)		Magnitude

980929.307                                     18.2 +/- 0.2        revised measurement
981002.305		18.3 +/- 0.2

Magnitude uncertainties are standard deviation between
comparisons with the above reference stars.

Regards, Bill



Bill Beam/NL7F
wbeam@ptialaska.net

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