2006ApJ...652L.101M

Query : 2006ApJ...652L.101M

2006ApJ...652L.101M - Astrophys. J., 652, L101-L104 (2006/December-1)

The asymmetric explosion of type Ia supernovae as seen from near-infrared observations.

MOTOHARA K., MAEDA K., GERARDY C.L., NOMOTO K., TANAKA M., TOMINAGA N., OHKUBO T., MAZZALI P.A., FESEN R.A., HOFLICH P. and WHEELER J.C.

Abstract (from CDS):

We present near-infrared spectra of late-phase (>200 days) Type Ia supernovae (SNe Ia) taken at the Subaru Telescope. The [Fe II] line of SN 2003hv shows a clear flat-topped feature, while that of SN 2005W shows a less prominent flatness. In addition, a large shift in their line center, varying from -3000 to 1000 km/s with respect to the host galaxies, is seen. Such a shift suggests the occurrence of an off-center, nonspherical explosion in the central region and provides important, new constraints on the explosion models of SNe Ia.

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Journal keyword(s): Infrared: Stars - Stars: Supernovae: General - Stars: Supernovae: Individual: Alphanumeric: SN 2003du - supernovae: individual (SN 2003hv) - supernovae: individual (SN 2005W)

Simbad objects: 12

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Number of rows : 12
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 NGC 691 GiG 01 50 41.7087687336 +21 45 35.893604556   13.5       ~ 153 0
2 SN 2005W SN* 01 50 45.75 +21 45 35.6     15.2     SNIa 62 1
3 NGC 1201 EmG 03 04 07.9912913448 -26 04 10.874234136   11.78 10.64 10.35   ~ 152 0
4 SN 2003hv SN* 03 04 09.32 -26 05 07.5     12.5     SNIa 134 1
5 HD 283550 * 04 18 27.8350294656 +25 00 14.073011064 9.530 9.040 8.510     A2 23 0
6 HD 31957 * 04 58 41.1622925424 -27 26 18.003003144   8.56 8.33     A5V 14 0
7 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 325 1
8 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 328 1
9 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 559 1
10 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
11 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 374 1
12 Z 296-13 LSB 14 34 37.013 +59 20 16.17   15.5       ~ 97 0

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