[vsnet-alert 10006] Re: OT_J122059.8-102735 (Catalina OT)

[Makoto Uemura]

Re: OT_J122059.8-102735

We performed follow-up observations of this object on 28 Mar with 
TRISPEC/KANATA.
We confirmed the outbust, and found that it has a blue color
(V-J ~ 0.1).

YYYYMMDD(UT)    mag.   err.
20080328.5780  16.96V 0.04  Higashi-Hiroshima Observatory
20080328.5780  16.87J 0.11  Higashi-Hiroshima Observatory

With the observations on 25 Mar (vsnet-alert 9995), 
we found that the object is fading with a rate of ~0.1 mag/day.  
These characteristics are reminiscent of dwarf novae in superoutbursts.
While the object is relatively faint, time-series observations 
are encouraged for the detection of possible superhumps.

Regards,
M. Uemura, A. Arai, and M. Sasada
on behalf of the KANATA team
Hiroshima University