2012CBET.3026....2M


Query : 2012CBET.3026....2M

2012CBET.3026....2M - Central Bureau Electronic Telegrams, 3026, 2 (2012/February-0)

Supernova 2012af.

MARION G.H., IRWIN J. and WHIPPLE F.L.

Abstract (from CDS):

G. H. Marion, Harvard-Smithsonian Center for Astrophysics (CfA), on behalf of the CfA Supernova Group, report that a spectrum (range 340-740 nm) of 2012af was obtained on Feb. 19 UT by J. Irwin with the F. L. Whipple Observatory 1.5-m telescope (+ FAST). Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) shows that 2012af is a type-Ia supernova soon after maximum light. A good fit is found to the template of the 1991T-like supernova 2005eq at two days post maximum. The velocity of the Si II 635.5-nm absorption feature is 10100 km/s, using an estimated redshift of z = 0.053 as measured from host-galaxy emission lines.

Abstract Copyright: ∼

Journal keyword(s):

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 SN 2005eq SN* 03 08 49.31 -07 01 59.7     17.4     SNIa 95 1
2 SN 2012af SN* 15 00 30.87 +23 55 45.1           SNIa 4 2

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