[vsnet-alert 7014] Re: Possible nova in Mon

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Re: Possible nova in Mon

   Arne Henden wrote:

> The actual photometry of the possible nova itself is:
>   RA (J2000) DEC          HJD       V     B-V    U-B    V-R    R-I
> 106.020068  -3.847484  52285.7223  9.975  1.726  1.916  0.943  0.931
> with internal astrometric errors of about 100mas and external
> photometric errors of about 0.03mag due to the poor seeing.
> ((U-B) is more suspect than the other colors because of the
> crowded field.)  This does not look nova-like to me.

   The color seems to be on a smooth extension of late-type Barium stars.
The expanded photosphere may somehow mimic a late-type Barium star both in
spectrum and colors.

Regards,
Taichi Kato

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