[vsnet-alert 13254] Re: nearby SN Ia 2011by

[Christian Buil]

A spectrum of SN 2011by taken the Apr. 28.881 UT near V=14.0:

http://astrosurf.com/buil/forum/sn2011by_20110428_881.png

(LISA spectrograph at R = 600 + C11 D = 0.28-m telescope)

Christian Buil




----- Original Message ----- 
From: "Hitoshi Yamaoka" <yamaoka at ursa.phys.kyushu-u.ac.jp>
To: <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>; 
<vsnet-campaign-sn at ooruri.kusastro.kyoto-u.ac.jp>
Sent: Thursday, April 28, 2011 6:02 AM
Subject: [vsnet-alert 13252] nearby SN Ia 2011by


> Subject: nearby SN Ia 2011by
>
>  According to CBET 2708, newly discovered SN 2011by in NGC 3972 has
> been identified as of type Ia in its early phase.  It was discovered
> on Apr. 26.823 UT at mag about 14.2.  The spectroscopy performed on
> Apr. 27.5 UT shows that the object is very young (about 10 days before
> maximum) SN Ia.
>
>  The host spiral galaxy NGC 3972 is very nearby one (likely same as the
> Virgo cluster), so the maximum magnitude can reach mag about 12.0.
> The continuous follow-up observation is encouraged.
>
> Hitoshi Yamaoka, Kyushu Univ., Japan
> yamaoka at phys.kyushu-u.ac.jp