[vsnet-alert 17097] Re: TCP J17154683-3128303: possible nova (10.1 mag) in Scorpius
bas at lowell.edu
Thu Mar 27 07:24:06 JST 2014
On Wed, 2014-03-26 at 21:48 +0000, Patrick Schmeer wrote:
> TCP J17154683-3128303
> "Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report a discovery of TCP (mag.= 10.1) in Sco on two 40-s unfiltered CCD frames taken around 2014 Mar. 26.84867 UT (limiting magnitude=13.4), using a 105-mm f/4 camera lens (+SBIG STL6303E camera). We have confirmed immediately the appearance of our discovery this TCP on eight 1-s unfiltered CCD frames taken around 2014 Mar 26.86981 UT (limiting magnitude=16.1), using a Meade 200R 0.40-m f/9.8 reflector (+SBIG STL1001E camera). (lens magnitude of referred catalogue Hipparcos, others reference catalogue GSC-ACT) Nothing is visible at this location on two past survey frames taken on 2014 Mar 22.819 UT(limiting mag.= 12.5) and 23.836 UT (limiting mag.= 12.9) nor on DSS, USNO-B1.0, We have checked in Minor Planets. nearest star in The Denis Data Base has position end figures 46s861, 30"48, distance 0"44, magnitudes I=14.222."
The nearby star mentioned in the report is quite red
(2MASS J-K = 1.68, DENIS J-K = 1.67) and at least slightly
variable on images and in catalogues. So some care will
be needed to separate the two, but presumably the
spectrum will tell all.
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