[vsnet-alert 19] Nova Cir 1995

[tkato@kusastro.kyoto-u.ac.jp]

>From PHYS162@cantva.canterbury.ac.nz Tue Jan 31 07:33:56 1995
To: brian%cfaps1.DECNET@cfa.harvard.edu
Cc: nova@nova.la.asu.edu
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Nova Circini 1995

J2000 astrometric position measured by Pam Kilmartin from a film obtained with
the 0.15-m f/15 astrograph at Mt John by Alan Gilmore on 1995 January 29.55
UT.
                        R.A. (2000.0) Dec.
                      h  m   s      o  '   "
Nova Circini 1995    14 44 53.48  -63 53 55.6

RMS residual on eight PPM South reference stars was 0".1 in RA and 0".4 in
declination.

                               -------------

Photometry: the error estimate on the U-B measure of Jan. 29.449 was
miskeyed.  It should have been 0.05 magnitude.

Further photometry was obtained on the same night at Mt John with the 0.6-m
f/13 reflector. Measures are listed separately below.  Errors are likely to
be around 0.02 magnitude in all colours except U-B where the error is
likely to be 0.05 magnitude, and too red.  Due to problems with our U
filter bandpass the nova's true U-B is likely to be around -0.50.

       U.T.         V     U-B    B-V    V-R    V-I    Air mass
1995 Jan. 29.448   7.92  -0.44  +0.37  +1.52  +1.72     2.15
          29.451   7.90  -0.45  +0.39  +1.48  +1.70     2.13
          29.519   7.89  -0.46  +0.37  +1.49  +1.71     1.68
          29.525   7.89  -0.48  +0.36  +1.50  +1.72     1.64
          29.531   7.89  -0.47  +0.36  +1.50  +1.72     1.61
          29.537   7.89  -0.47  +0.37  +1.49  +1.71     1.58

Alan Gilmore & Pam Kilmartin.

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