2003AJ....126.1489B


Query : 2003AJ....126.1489B

2003AJ....126.1489B - Astron. J., 126, 1489-1498 (2003/September-0)

Optical spectra of the type Ia supernova 1998aq.

BRANCH D., GARNAVICH P., MATHESON T., BARON E., THOMAS R.C., HATANO K., CHALLIS P., JHA S. and KIRSHNER R.P.

Abstract (from CDS):

We present 29 optical spectra of the normal Type Ia SN 1998aq, ranging from 9 days before to 241 days after the time of maximum brightness. This spectrocopic data set, together with photometric data presented elsewhere, makes SN 1998aq one of the best observed Type Ia supernovae at optical wavelengths. We use the parameterized supernova synthetic-spectrum code SYNOW to study line identifications in the early photospheric-phase spectra. The results include evidence for lines of singly ionized carbon, at ejection velocities as low as 11,000 km.s–1. Implications for SN Ia explosion models are discussed.

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Journal keyword(s): Stars: Supernovae: General - supernovae: individual (SN 1998aq)

Simbad objects: 8

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Number of rows : 8
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 2000cx SN* 01 24 46.150 +09 30 30.89           SNIap 227 1
2 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 281 1
3 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 328 1
4 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 197 1
5 NGC 3982 Sy2 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 588 1
6 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 559 1
7 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 406 1
8 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 198 1

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