2007PASP..119..709B

Query : 2007PASP..119..709B

2007PASP..119..709B - Publ. Astron. Soc. Pac., 119, 709-721 (2007/July-0)

Comparative direct analysis of type Ia supernova spectra. III. Premaximum.

BRANCH D., TROXEL M.A., JEFFERY D.J., HATANO K., MUSCO M., PARRENT J., BARON E., DANG L.C., CASEBEER D., HALL N. and KETCHUM W.

Abstract (from CDS):

A comparative study of spectra of 21 Type Ia supernovae (SNe Ia) obtained about 1 week before maximum light, and 8 spectra obtained 11 or more days before maximum, is presented. To a large extent, the premaximum spectra exhibit the defining characteristics of the four groups defined in Paper II (core normal, broad line, cool, and shallow silicon). Comparisons with SYNOW synthetic spectra show that all strong features and most weak ones can be accounted for in a plausible way. The issues of detached high-velocity features, the possible ubiquity of carbon clumps, the maximum detectable ejecta velocities, and the possibility of blueshifted emission-line peaks are discussed.

Abstract Copyright: ∼

Journal keyword(s): Supernovae

Simbad objects: 45

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Number of rows : 45
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 Z 383-19 EmG 00 27 49.691 -01 11 59.49   14.7 14.63 16.914 14.3 ~ 93 0
2 SN 2005hk SN* 00 27 50.89 -01 11 53.3   15.92       SNIax 240 1
3 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 409 1
4 NGC 1380 Sy2 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 460 1
5 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 281 1
6 NGC 1448 EmG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 295 1
7 NGC 1921 ? 05 19 20 -69 47.3           ~ 7 0
8 SN 2004S SN* 06 45 43.50 -31 13 52.5   14.14 14.39     SNIa 79 1
9 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 274 1
10 NGC 2848 EmG 09 20 09.8797257504 -16 31 32.987879760   12.2   11.63 12.4 ~ 75 0
11 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 307 1
12 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
13 NGC 3169 SyG 10 14 15.0379414272 +03 27 57.941639856   13.46 12.41     ~ 381 1
14 SN 2003cg SN* 10 14 15.97 +03 28 02.5   15.94       SNIa 146 1
15 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 422 2
16 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 325 1
17 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
18 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 328 1
19 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 372 1
20 M 66 AGN 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1509 4
21 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 197 1
22 NGC 3982 Sy2 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 588 1
23 SN 1984A SN* 12 26 55.73 +15 03 17.1   12.40 12.20     SNIa 140 1
24 NGC 4419 LIN 12 26 56.4505296720 +15 02 50.688833388 12.42 12.08 11.16     ~ 419 2
25 NGC 4469 GiG 12 29 27.997 +08 45 00.63   12.6       ~ 180 0
26 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 559 1
27 NGC 4526 GiC 12 34 03.02853 +07 41 56.9040   10.6       ~ 707 0
28 NGC 4527 AGN 12 34 08.49600 +02 39 13.7160   12.4       ~ 549 2
29 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
30 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
31 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 406 1
32 SN 1983G SN* 12 52 20.90 -01 12 12.0   12.97       SNIa 110 1
33 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 113 1
34 MCG-04-32-007 EmG 13 20 43.744 -22 03 03.92   14.66   13.67 13.9 ~ 91 0
35 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
36 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1
37 SN 2003fg SN* 14 16 18.924 +52 14 53.68           SNIa 141 1
38 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 374 1
39 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 144 1
40 SN 2002er SN* 17 11 29.88 +07 59 44.8   14.25       SNIa 144 1
41 Z 54-7 AG? 17 11 30.7073578968 +07 59 40.718082264   14.80       ~ 94 0
42 SN 2000E SN* 20 37 13.77 +66 05 50.2   12.85       SNIa 97 1
43 SN 2005cg SN* 21 10 50.44 +00 12 06.8     18.2     SNIa 33 1
44 IC 5179 Sy1 22 16 09.1191653256 -36 50 37.117603752   12.29 11.89 11.38   ~ 214 1
45 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 201 1

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