2008CBET.1209....1B


Query : 2008CBET.1209....1B

2008CBET.1209....1B - Central Bureau Electronic Telegrams, 1209, 1 (2008/January-0)

Supernovae 2008F and 2008G.

BLONDIN S. and BERLIND P.

Abstract (from CDS):

S. Blondin, Harvard-Smithsonian Center for Astrophysics (CfA), on behalf of the CfA Supernova Group, reports that spectra (range 350-740 nm) of 2008F (cf. CBET 1207) and 2008G (cf. CBET 1208), obtained respectively on Jan. 14.15 and 14.17 UT by P. Berlind with the F. L. Whipple Observatory 1.5-m telescope (+ FAST), shows them to both be reddened type-II-plateau supernovae. Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) indicates that 2008F is most similar to the type-II-plateau supernova 1999gi at one week past explosion, and that 2008G is most similar to the type-II-plateau supernova 2004et at three weeks past explosion. Adopting a recession velocity of 5404 km/s for the host galaxy of 2008F (from Huchra et al. 1993, A.J. 105, 1637), the maximum absorption in the H_alpha line (rest 656.3 nm) is blueshifted by roughly 11000 km/s. Adopting a recession velocity of 5477 km/s for the host galaxy of 2008G (from Huchra et al. 1999, Ap.J. Suppl. 121, 287), the maximum absorption in the H_alpha line is blueshifted by roughly 9500 km/s.

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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 2008F SN* 02 54 55.11 -06 21 56.7     18.4     SNIIP 22 1
2 SN 2008G SN* 03 45 46.02 +46 40 06.0     18.3     SNIIP 4 1

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