[vsnet-alert 17780] Re: TCP J04454858-0556446: transient (12.6 mag) inEridanus

[Hiroyuki Maehara]

Nothing is visible at the reported position on CCD images taken 
with 105-mm lens + ST-8XME on Sep. 27.6824 in the course of Kiso 
Wide-filed Survey (KWS).

object                date(UT)       mag.     code  err.
TCP_J04454858-0556446 20140927.68240 <12.2Ic  KW2   --
TCP_J04454858-0556446 20140927.68241 <13.5V   KW2   --

KW2: Kiso Wide-field Survey
     105mm lens (F/2.0) + SBIG ST-8XME (V-band)
     105mm lens (F/2.8) + SBIG ST-8XME (Ic-band)

On Sat, Sep 27, 2014 at 12:41:13, Sebastian Otero wrote:
> The closest star is 7" away.
> 
> It is SDSS J044548.90-055639.6 = 2MASS J04454890-0556389 = USNO-B1.0
> 0840-0047055
> 
> This one looks like a red dwarf.
> Large proper motion, J-K 0.96 (2MASS) and 0.87 (DENIS) and V= 18.4; B-V 1.73
> (derived from SDSS).
> 
> CSS data show constancy:
> http://nunuku.cacr.caltech.edu/cgi-bin/getcssconedb_release_img.cgi?RA=71.45242&Dec=-5.94572&Rad=0.2&DB=photcat&OUT=csv&SHORT=short&PLOT=plot
> 
> If this is the same star, it might be a flare from an UV Ceti variable.
> 
> Duration of the event will tell so more observations are encouraged.
> 
> Cheers,
> Sebastian
> 
> -----------------------
> Sebastian Otero
> VSX Team
> American Association of Variable Star Observers
> 
> 
> ----- Original Message ----- From: "Patrick Schmeer pasc1312-aavso at yahoo.de
> [cvnet-outburst]"
> <cvnet-outburst at yahoogroups.com>
> To: <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>;
> <cvnet-outburst at yahoogroups.com>; <baavss-alert at yahoogroups.com>
> Cc: <aavso at aavso.org>
> Sent: Saturday, September 27, 2014 12:26 PM
> Subject: [cvnet-outburst] TCP J04454858-0556446: transient (12.6 mag) in
> Eridanus
> 
> 
> TCP J04454858-0556446
> R.A. 04h45m48.58s, Decl. -05°56'44.6"  (J2000.0)
> 2014 Sept. 26.7947 UT, V= 12.6
> The observer's name is not mentioned.
> http://www.cbat.eps.harvard.edu/unconf/followups/J04454858-0556446.html
> 
> Clear skies,
> Patrick
>