[vsnet-alert 17304] Re: MisV1449 - possible new CV

[Seiichi Yoshida]

Dear colleagues,

The USNO-A2.0 data implies that the outburst range is 4 mag from 19 to
15 mag.

USNO-A2.0 1200.15449396  20h36m43s.441 +32o23'12".78  Mag(R):19.2  Mag(B):19.4

Best regards,

> Dear colleagues,
> 
> We discovered a possible new cataclysmic variable MisV1449 from
> Youichirou Nakashima's survey images with Canon 500-mm f/4.5 camera
> lens + SBIG ST-8 in the course of the MISAO Project. It was bright at
> 15.3 mag on Apr. 23, and nothing found in our past images since 2000
> by Nobuo Ohkura and Youichirou Nakashima.
> 
> Nothing is found on DSS or 2MASS images at this position. The Minor
> Planet Checker says no known minor planets, brighter than V = 20.0,
> were found in the 15.0-arcminute region around the position.
> 
> Red variable star V2193 Cyg = NSV 13178, R.A. 20h36m50s.88,
> Decl. +32o23'33".7, 11.6-12.1 mag(p), exists near by this
> position. But MisV1449 is another new object.
> 
> MisV1449
>   R.A.  20h36m43s.45
>   Decl. +32o23'11".9  (2000.0)
>   Mag.  15.1-<16.4C
>   Type  UG?
> 
> http://www.aerith.net/misao/data/misv.cgi?1449
> 
> MisV1449 20000709.59240 <151C Mis
> MisV1449 20000709.59424 <151C Mis
> MisV1449 20080622.68969 <154C Mis
> MisV1449 20080622.69174 <158C Mis
> MisV1449 20080622.69377 <159C Mis
> MisV1449 20080708.58760 <158C Mis
> MisV1449 20080708.58965 <159C Mis
> MisV1449 20080708.59169 <161C Mis
> MisV1449 20080729.70407 <156C Mis
> MisV1449 20100928.52292 <155C Mis
> MisV1449 20100928.52425 <160C Mis
> MisV1449 20100928.52558 <160C Mis
> MisV1449 20100928.52691 <158C Mis
> MisV1449 20111124.43478 <160C Mis
> MisV1449 20111124.43612 <163C Mis
> MisV1449 20111124.43745 <164C Mis
> MisV1449 20120312.81978 <158C Mis
> MisV1449 20120312.82113 <158C Mis
> MisV1449 20120312.82250 <160C Mis
> MisV1449 20120312.82385 <159C Mis
> MisV1449 20120403.76439 <157C Mis
> MisV1449 20120403.76575 <157C Mis
> MisV1449 20120403.76711 <160C Mis
> MisV1449 20120403.76846 <159C Mis
> MisV1449 20120427.68525 <155C Mis
> MisV1449 20120427.68661 <158C Mis
> MisV1449 20120427.68796 <159C Mis
> MisV1449 20120427.68932 <156C Mis
> MisV1449 20120510.66189 <155C Mis
> MisV1449 20120510.66324 <154C Mis
> MisV1449 20120510.66461 <159C Mis
> MisV1449 20120510.66596 <158C Mis
> MisV1449 20120518.78972 <141C Mis
> MisV1449 20120518.79108 <141C Mis
> MisV1449 20120518.79243 <140C Mis
> MisV1449 20120518.79369 <157C Mis
> MisV1449 20120518.79380 <136C Mis
> MisV1449 20120518.79506 <160C Mis
> MisV1449 20120518.79641 <159C Mis
> MisV1449 20120518.79777 <157C Mis
> MisV1449 20120527.67006 <156C Mis
> MisV1449 20120527.67142 <158C Mis
> MisV1449 20120527.67278 <162C Mis
> MisV1449 20120527.67413 <162C Mis
> MisV1449 20120726.72282 <161C Mis
> MisV1449 20120726.72297 <149C Mis
> MisV1449 20120726.72419 <158C Mis
> MisV1449 20120726.72433 <148C Mis
> MisV1449 20120726.72554 <159C Mis
> MisV1449 20120726.72569 <145C Mis
> MisV1449 20120726.72690 <159C Mis
> MisV1449 20120802.54779 <154C Mis
> MisV1449 20120802.54914 <155C Mis
> MisV1449 20120802.55050 <161C Mis
> MisV1449 20120923.57196 <145C Mis
> MisV1449 20120923.57306 <162C Mis
> MisV1449 20120923.57331 <148C Mis
> MisV1449 20120923.57442 <162C Mis
> MisV1449 20120923.57466 <146C Mis
> MisV1449 20120923.57603 <145C Mis
> MisV1449 20121028.49490 <148C Mis
> MisV1449 20121028.49625 <147C Mis
> MisV1449 20121028.49743 <158C Mis
> MisV1449 20121028.49762 <146C Mis
> MisV1449 20121028.49878 <158C Mis
> MisV1449 20121028.49897 <145C Mis
> MisV1449 20130311.82182 <153C Mis
> MisV1449 20130311.82317 <152C Mis
> MisV1449 20130311.82453 <161C Mis
> MisV1449 20130311.82588 <161C Mis
> MisV1449 20130818.61709 <143C Mis
> MisV1449 20130818.61846 <143C Mis
> MisV1449 20130818.61970 <161C Mis
> MisV1449 20130818.61981 <145C Mis
> MisV1449 20130818.62106 <161C Mis
> MisV1449 20130818.62117 <143C Mis
> MisV1449 20130818.62252 <142C Mis
> MisV1449 20140404.80197 <154C Mis
> MisV1449 20140404.80472 <154C Mis
> MisV1449 20140404.80747 <155C Mis
> MisV1449 20140404.81021 <155C Mis
> MisV1449 20140423.74407 151C Mis
> MisV1449 20140423.74682 153C Mis
> MisV1449 20140423.74957 155C Mis
> 
> 2000 July 9
>   Nobuo Ohkura
>   0.16-m f/3.8 Wright-Schmidt reflector + SBIG ST-8(ABG)
> 
> 2008 June 22 - 2008 July 29
>   Youichirou Nakashima
>   7.6-cm f/6.6 refractor + SBIG ST-8
> 
> 2010 Sept. 28 - 2012 May 10
>   Youichirou Nakashima
>   Canon 500-mm f/4.5 camera lens + SBIG ST-8
> 
> 2012 May 18 - 2013 Aug. 18
>   Youichirou Nakashima
>   Canon 500-mm f/4.5 camera lens + SBIG ST-8, and 
>   300-mm f/2.8 camera lens + SBIG ST-8
> 
> 2014 Apr. 4 - 2014 Apr. 23
>   Youichirou Nakashima
>   Canon 500-mm f/4.5 camera lens + SBIG ST-8
> 
> Best regards,
> 
> --
> Seiichi Yoshida
> comet at aerith.net
> http://www.aerith.net/

--
Seiichi Yoshida
comet at aerith.net
http://www.aerith.net/