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* Profile

MisV1448

R.A.19h59m19s.44
Decl.+56o25'20".7(2000.0)
Mag.13.3-[16.6C
TypeUG:
= USNO-A2.0 1425.10173307  19h59m19s.449 +56o25'21".10  Mag(R):16.8  M
  ag(B):17.7

Digitized Sky Survey GIF image (15 x 15 arcmin)

SIMBAD Query

AAVSO VSX Database

ASAS-3 Light Curve

* Discovery Information

Seiichi Yoshida, Yokohama City, Kanagawa, Japan; discovered a new object from survey images taken by Youichirou Nakashima, Setouchi City, Okayama, Japan; in the course of the MISAO Project. It was bright at 13.4 mag on May 27, but nothing found in our past images.

We found a 17-mag star, USNO-A2.0 1425.10173307, in the USNO-A2.0 catalog at this position. So it seems to be an outburst of this 17-mag star.

We the MISAO Project assign the new variable star number "MisV1448" to this star.

Denis Denisenko reported the pre-discovery data by the MASTER robotic telescopes, and confirmed the outburst of this star. It has brightened up to 12 mag on May 13.

* Special Notes

New bright dwarf nova discovered at 13.4 mag from 2012 May 27 images. Seiichi Yoshida discovered this object on June 8, about 2 weeks have already passed. However, Denis Denisenko found the pre-discovery data by the MASTER robotic telescopes at 12 mag on May 13, and confirmed the outburst of this star.

* Light Curve

    13.1  +--------------------------------------------------------+
          |                                              *         |
          |                                              *         |
          |                                               v        |
          |                                               v        |
          |                                               v        |
          |                                                        |
          |                                                        |
          |                                               v   v v  |
          |                                               vv  v v  |
          |   v                                          v         |
          |   v                                          v      v  |
          |                                              v    v v  |
          |   v                                          v         |
          |                                              v         |
          |   v                                                    |
          |   v                                                    |
          |                           v v v       v                |
          |   v                       v vvv       v   v            |
          |  vv                       v  vv           v            |
          |                           v  v            v            |
          |                           v  v                         |
    16.8  +--------------------------------------------------------+
       2451812                                                  2457038
     2000 Sept. 24                                            2015 Jan. 15

* Observations by MISAO Project

DateMagFilterObserver
2001 May 19.77206[16.3CNobuo Ohkura
2001 May 19.77392[16.3CNobuo Ohkura
2001 Aug. 23.51096[15.7CNobuo Ohkura
2001 Aug. 23.51281[15.6CNobuo Ohkura
2001 Aug. 23.51466[15.8CNobuo Ohkura
2001 Aug. 23.51653[15.7CNobuo Ohkura
2001 Aug. 24.50081[15.3CNobuo Ohkura
2001 Aug. 24.50266[15.0CNobuo Ohkura
2001 Aug. 24.50451[14.8CNobuo Ohkura
2001 Aug. 24.50638[15.2CNobuo Ohkura
2001 Sept. 23.43542[16.1CNobuo Ohkura
2001 Sept. 23.43728[16.3CNobuo Ohkura
2001 Oct. 10.41150[16.2CNobuo Ohkura
2001 Oct. 10.41350[16.1CNobuo Ohkura
2007 Sept. 5.51432[16.3CYouichirou Nakashima
2007 Sept. 5.51640[16.0CYouichirou Nakashima
2007 Sept. 5.52056[16.3CYouichirou Nakashima
2007 Sept. 14.47584[16.0CYouichirou Nakashima
2007 Sept. 14.47998[16.4CYouichirou Nakashima
2007 Sept. 14.48205[16.1CYouichirou Nakashima
2007 Sept. 18.56456[16.3CNobuo Ohkura and Youichirou Nakashima
2007 Sept. 18.57075[16.4CNobuo Ohkura and Youichirou Nakashima
2007 Sept. 18.57282[16.6CNobuo Ohkura and Youichirou Nakashima
2007 Oct. 10.43965[16.1CYouichirou Nakashima
2007 Oct. 10.44172[16.3CYouichirou Nakashima
2007 Oct. 10.44378[16.3CYouichirou Nakashima
2007 Oct. 10.44586[16.1CYouichirou Nakashima
2008 Apr. 24.68377[16.1CYouichirou Nakashima
2008 Apr. 24.68954[15.9CYouichirou Nakashima
2008 Apr. 24.69159[16.1CYouichirou Nakashima
2008 July 24.60922[16.3CYouichirou Nakashima
2008 July 24.61123[16.1CYouichirou Nakashima
2008 July 24.61126[16.2CYouichirou Nakashima
2008 July 24.61921[16.4CYouichirou Nakashima
2008 July 24.61925[16.3CYouichirou Nakashima
2008 July 24.62125[16.6CYouichirou Nakashima
2008 July 24.62130[16.6CYouichirou Nakashima
2008 Sept. 10.51596[16.0CYouichirou Nakashima
2008 Sept. 10.51600[16.0CYouichirou Nakashima
2008 Sept. 10.52058[16.3CYouichirou Nakashima
2008 Sept. 10.52061[16.0CYouichirou Nakashima
2008 Sept. 10.52265[16.0CYouichirou Nakashima
2008 Oct. 15.41365[16.1CYouichirou Nakashima
2008 Oct. 15.41368[15.9CYouichirou Nakashima
2008 Oct. 15.41568[16.2CYouichirou Nakashima
2008 Oct. 15.41572[16.0CYouichirou Nakashima
2010 Sept. 21.54161[15.9CYouichirou Nakashima
2010 Sept. 21.54295[16.0CYouichirou Nakashima
2010 Sept. 21.54429[16.1CYouichirou Nakashima
2011 Nov. 15.40093[16.4CYouichirou Nakashima
2011 Nov. 15.40227[16.1CYouichirou Nakashima
2011 Nov. 15.40231[16.1CYouichirou Nakashima
2011 Nov. 15.40360[16.5CYouichirou Nakashima
2011 Nov. 15.40365[16.3CYouichirou Nakashima
2011 Nov. 15.40494[16.4CYouichirou Nakashima
2011 Nov. 15.40499[16.2CYouichirou Nakashima
2012 May 27.7623813.4CYouichirou Nakashima
2012 May 27.7637413.4CYouichirou Nakashima
2012 May 27.7650913.4CYouichirou Nakashima
2012 May 27.7664613.3CYouichirou Nakashima
2012 June 9.6817115.1CYouichirou Nakashima
2012 June 9.6830815.2CYouichirou Nakashima
2012 June 9.6844315.0CYouichirou Nakashima
2012 June 9.6857915.1CYouichirou Nakashima
2012 July 7.66781[15.2CYouichirou Nakashima
2012 July 7.66917[14.9CYouichirou Nakashima
2012 July 7.67053[15.1CYouichirou Nakashima
2012 July 17.65938[15.4CYouichirou Nakashima
2012 July 17.66073[15.4CYouichirou Nakashima
2012 July 17.66208[15.0CYouichirou Nakashima
2012 July 17.66344[15.3CYouichirou Nakashima
2012 July 23.67588[15.2CYouichirou Nakashima
2012 July 23.67723[14.9CYouichirou Nakashima
2012 July 23.67859[14.8CYouichirou Nakashima
2012 July 23.67994[14.9CYouichirou Nakashima
2012 Aug. 1.69662[14.9CYouichirou Nakashima
2012 Aug. 1.69797[14.9CYouichirou Nakashima
2012 Aug. 1.69933[14.9CYouichirou Nakashima
2012 Aug. 1.70069[14.9CYouichirou Nakashima
2012 Aug. 18.63705[15.1CYouichirou Nakashima
2012 Aug. 18.63840[14.9CYouichirou Nakashima
2012 Aug. 18.63977[14.8CYouichirou Nakashima
2012 Aug. 18.64112[15.0CYouichirou Nakashima
2012 Oct. 12.57476[13.9CNobuo Ohkura
2012 Oct. 21.56848[13.8CNobuo Ohkura
2012 Oct. 21.56895[13.6CNobuo Ohkura
2012 Oct. 23.60698[13.9CNobuo Ohkura
2012 Oct. 23.60767[13.9CNobuo Ohkura
2012 Oct. 25.54344[14.0CNobuo Ohkura
2012 Oct. 25.54413[13.9CNobuo Ohkura
2012 Oct. 28.55911[14.6CYouichirou Nakashima
2012 Oct. 28.56046[14.5CYouichirou Nakashima
2012 Oct. 28.56182[14.5CYouichirou Nakashima
2012 Oct. 28.56317[14.6CYouichirou Nakashima
2013 Jan. 2.38027[14.6CYouichirou Nakashima
2013 Jan. 2.38162[14.7CYouichirou Nakashima
2013 Jan. 2.38297[14.6CYouichirou Nakashima
2013 Sept. 19.44565[15.1CYouichirou Nakashima
2013 Sept. 19.44700[14.7CYouichirou Nakashima
2013 Sept. 19.44836[14.5CYouichirou Nakashima
2013 Sept. 19.44971[14.6CYouichirou Nakashima
2014 Mar. 23.71365[14.5CYouichirou Nakashima
2014 Mar. 23.71639[14.7CYouichirou Nakashima
2014 Mar. 23.71913[14.7CYouichirou Nakashima
2014 Mar. 23.72188[14.7CYouichirou Nakashima
2014 Apr. 14.62497[14.7CYouichirou Nakashima
2014 Apr. 14.62771[14.5CYouichirou Nakashima
2014 Apr. 14.63046[14.6CYouichirou Nakashima
2014 Apr. 14.63321[14.5CYouichirou Nakashima
2014 May 22.56250[15.0CYouichirou Nakashima
2014 May 22.56524[14.9CYouichirou Nakashima
2014 May 22.56799[15.1CYouichirou Nakashima
2014 May 22.57073[15.1CYouichirou Nakashima

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