[vsnet-alert 10046] Re: Another Possible Nova in Cyg; prenova in IPHAS survey and ROSAT catalog

[Shawn Dvorak]

Taichi Kato wrote:
>    According to CBAT's Unconfirmed Observations Page, a new possible
> nova has been reported in Cyg (mag = 7.7C).
>
>    It is noteworthy that the prenova was recorded in IPHAS survey of
> emission line stars.
>
> 194301.9 +321913 (2000.0) IPHAS_J194301.98+321913.5 em R=18.174 R-I=0.651 R-Ha=0.631 MNRAS384,1277 
>
>    The likely ROSAT identifications:
>
> 194301.2 +321908 (2000.0) 1WGAJ1943.0+3219 0.0247 0.15 1.26 1.06 0.42 obs=1993.278
> 194301.9 +321912 (2000.0) 2RXP_J194302.0+321912 0.0259P 0.97 0.14 931005
> 194302.1 +321905 (2000.0) 1RXPJ194302+3219.1 0.0260 0.98 0.10
>
>    The object is thus potentially a nearby CV undergoing a nova outburst,
> or was bright at the epoch of ROSAT observations (cf. V2487 Oph).
> If the object was caught during the rise, it might become a naked-eye nova.
>
>   

I just took a set of B and V images of the object.  Initial rough 
analysis gives v=7.78, b=8.10 at 09:09 GMT.

Shawn Dvorak