[vsnet-alert 25344] Fwd: HV Cet: long-term brightening (From Gaia alert)

[反保雄介]

---------- Forwarded message ---------
From: 反保雄介 <tampo at kusastro.kyoto-u.ac.jp>
Date: 2021年2月8日(月) 23:32
Subject: HV Cet: long-term brightening (From Gaia alert)
To: <vsnet-chat at ooruri.kusastro.kyoto-u.ac.jp>,


HV Cet: long-term brightening (From Gaia alert)

Gaia alert reported a long-term brightening of a classical nova HV Cet,
which erupted in 2008.
HV Cet has brightened ~ 2mag in recent half a year.

Gaia21arb, 2021-02-06 12:45:41, type = unknown, RA = 46.494, Dec = 5.787,
Histric mag = 19.27, alert mag = 18.08, amplitude = 1.19,
comment = 2 mag brightening of HV Cet, identified as a nova and supersoft
source in 2008
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21arb/

Brightening is also seen in ZTF broker lasair.
https://lasair.roe.ac.uk/object/ZTF18acvbjaw/

Best,
Yusuke