2008CBET.1623....1S

Query : 2008CBET.1623....1S

2008CBET.1623....1S - Central Bureau Electronic Telegrams, 1623, 1 (2008/December-0)

Supernova 2008ie in NGC 1070.

STRITZINGER M., COVARRUBIAS R. and HAMUY M.

Abstract (from CDS):

M. Stritzinger, R. Covarrubias and M. Hamuy, on behalf of the Carnegie Supernova Project and Millenium Center for Supernova Studies, report that a spectrum (range 380-940 nm) of 2008ie (cf. CBET 1618), obtained on Dec. 18.1 UT with the 6.5-m Magellan II (Clay) telecope (+ LDSS3) at Las Campanas Observatory, shows it to be a type-IIb supernova around maximum light. The spectrum exhibits strong P-Cyg features attributed to H_alpha and the Ca II triplet. Conspicuous lines of He I (rest 587.6 nm), O II (rest 777.4 nm), and H-beta are also present. Comparison with a library of supernova spectra, via the "Supernova Identification" code (Blondin and Tonry 2007, Ap.J. 666, 1024), indicates that 2008ie is most similar to the type-IIb supernovae 1997dd and 1993J around maximum. Adopting a host-galaxy recession velocity of 4088 km/s (Huchra et al. 1999, Ap.J. Suppl. 121, 287) for the host galaxy (NGC 1070), H_alpha and H_beta are measured to be blue-shifted by roughly 13000 and 10000 km/s, respectively.

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Journal keyword(s):

Simbad objects: 1

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Number of rows : 1
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 2008ie SN* 02 43 20.80 +04 58 19.1           SNIIb 22 1

Query : 2008CBET.1623....1S

Basic data :
SN 2008ie -- SuperNova
Other object types: otypes_help 		SN* (2012A&A,SN)
ICRS coord. (ep=J2000) : 		02 43 20.80 +04 58 19.1 (Optical) [ ] C 2021MNRAS.501.5797B
FK4 coord. (ep=B1950 eq=1950) : 		02 40 43.36 +04 45 37.1 [ ]
Gal coord. (ep=J2000) : 		167.26799 -48.03061 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 4079 [~] / z(~) 0.0137 [~] / cz 4107 [~]
   (Opt) E 2021MNRAS.501.5797B
Spectral type: 		SNIIb C 2008yCat....1.2024B
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SN 2008ie

References (22 between 1850 and 2026) (Total 22)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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