[vsnet-alert 13872] Re: T Tau type variable MisV1441 is brightening rapidly

[Seiichi Yoshida]

Dear colleagues,

Hidehiko Akazawa obtained time series photometry of MisV1441 on
Nov. 16, and short term variation was detected.

http://akazawa-hide.sakura.ne.jp/keijiban/MisV1441/MisV1441.htm

Best regards,

> Dear colleagues,
> 
> MisV1441, a T Tau type variable, a young stellar object with an
> H-alpha emission in a star forming region, is brightening rapidly.
> 
>   http://www.aerith.net/misao/variable/MisV1441.html
> 
>   MisV1441
>     R.A.  20h50m50s.42
>     Decl. +44o50'11".7  (2000.0)
>     Mag.  14.66-17.65R	
>     Type  INSB?
>   = HBHA 50-20
>   = IPHAS J205050.39+445011.7
> 
> It reached up to 14.66 mag on Oct. 28. Such a bright state is after an
> interval of two years and four months from 2009 July.
> 
> The brightest record of this star is 14.4 mag on May 20, 2008. The
> record may be broken.
> 
> Here are the recent observations:
> 
> 2011 Oct. 28.799    14.66  CR  Diego Rodriguez
> 2011 Oct. 18.46877  15.0   C   Youichirou Nakashima
> 2011 Sept.23.54782  15.7   C   Youichirou Nakashima
> 2011 Sept.10.53315  15.9   C   Youichirou Nakashima
> 2011 Aug.  8.916    15.96  R   Diego Rodriguez
> 2011 July 19.992    16.38  R   Adolfo San Segundo
> 
> Best regards,
> 
> --
> Seiichi Yoshida
> comet at aerith.net
> http://www.aerith.net/

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