2008A&A...492..535A


Query : 2008A&A...492..535A

2008A&A...492..535A - Astronomy and Astrophysics, volume 492, 535-544 (2008/12-3)

Diversity of supernovae Ia determined using equivalent widths of Si II 4000.

ARSENIJEVIC V., FABBRO S., MOURAO A.M. and RICA DA SILVA A.J.

Abstract (from CDS):

Spectroscopic and photometric properties of low and high-z supernovae Ia (SNe Ia) have been analyzed in order to achieve a better understanding of their diversity and to identify possible SN Ia sub-types. We use wavelet transformed spectra in which one can easily measure spectral features. We investigate the SiII 4000 equivalent width (EWw{SiII}). The ability and, especially, the ease in extending the method to SNe at high-z is demonstrated. We applied the method to 110 SNe Ia and found correlations between EWw{SiII} and parameters related to the light-curve shape for 88 supernovae with available photometry. No evidence for evolution of EWw{SiII} with redshift is seen. Three sub-classes of SNe Ia were confirmed using an independent cluster analysis with only light-curve shape, colour, and EWw{SiII}. SNe from high-z samples seem to follow a similar grouping to nearby objects. The EWw{SiII} value measured on a single spectrum may point towards SN Ia sub-classification, avoiding the need for expansion velocity gradient calculations.

Abstract Copyright:

Journal keyword(s): supernovae: general - methods: data analysis

Simbad objects: 115

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Number of rows : 115
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 SN 2005hk SN* 00 27 50.89 -01 11 53.3   15.92       SNIax 210 1
2 SN 2003jj SN* 01 07 58.5190 +00 03 01.918       23.1   SNIa 13 1
3 SN 2003le SN* 01 08 08.7390 +00 27 09.580       22.7   SNIa 15 1
4 SN 2003lf SN* 01 08 49.8070 -00 44 13.490       22.1   SNIa 13 1
5 SN 2003kl SN* 01 09 48.7980 +01 00 05.496     21.0     SNIa 15 1
6 SN 2003lj SN* 01 12 10.0340 +00 19 51.267       22.1   SNIa 15 1
7 SN 2000cx SN* 01 24 46.1 +09 30 31           SNIap 208 1
8 SN 2005hj SN* 01 26 48.40 -01 14 17.2       17.40   SNIa 84 1
9 SN 2002ic SN* 01 30 02.55 +21 53 06.9     18.5     SNIapec 227 1
10 SN 2004dt SN* 02 02 12.3 -00 06 02           SNIa 134 1
11 SN 2002jr SN* 02 04 41.0390 -05 09 40.727       22.7   SNIa 13 1
12 SN 2003kn SN* 02 09 15.5490 -03 35 41.010     21.3     SNIa 15 1
13 SN 2003lh SN* 02 10 19.5050 -04 59 32.063       22.7   SNIa 15 1
14 SN 2003jy SN* 02 10 53.9870 -04 25 49.436       22.7   SNIa 16 1
15 SN 2002km SN* 02 16 23.93 -04 49 29.4           SNIa 8 1
16 SN 2002ks SN* 02 17 34.53 -05 00 15.4           ~ 8 1
17 SNLS 03D1ew SN* 02 24 14.111 -04 39 57.07         26.37 SNIa 18 1
18 SNLS 03D1ax SN* 02 24 23.349 -04 43 14.79         18.49 SNIa 20 2
19 SNLS 04D1hd SN* 02 26 08.834 -04 06 34.68         23.66 SNIa 14 2
20 SNLS 03D1co SN* 02 26 16.259 -04 56 06.18         23.94 SNIa 19 1
21 SNLS 03D1bk SN* 02 26 27.414 -04 32 12.12         20.21 SNIa 10 1
22 SNLS 04D1de SN* 02 26 35.909 -04 25 21.44         22.07 SNIa 10 1
23 SNLS 03D1fq SN* 02 26 55.664 -04 18 07.98         21.83 SNIa 16 1
24 SN 2003li SN* 02 27 47.2940 -07 33 46.220       22.8   SNIa 16 1
25 SN 1999fh SN* 02 27 58.33 +00 39 36.8     22.4     SNIa 9 1
26 SN 1999fj SN* 02 28 23.72 +00 39 09.6     23.5     SNIa 13 1
27 SN 1999fk SN* 02 28 53.88 +01 16 24.2     24.3     SNIa 13 1
28 SN 2003jn SN* 02 29 21.1990 -09 02 15.490       20.8   SNIa 14 1
29 SN 2003js SN* 02 29 52.1520 -08 32 28.155       22.0   SNIa 17 1
30 SN 2003km SN* 02 30 09.0010 -09 04 35.621     21.8     SNIa 15 2
31 SN 1999fm SN* 02 30 35.62 +01 09 43.3     23.6     SNIa 10 1
32 SN 2002iy SN* 02 30 40.0220 -08 11 40.469       21.3   SNIa 15 1
33 SN 2003kp SN* 02 31 02.6520 -08 39 50.909     22.1     SNIa 16 1
34 SN 2003jw SN* 02 31 06.8360 -08 45 36.535       22.6   SNIa 15 1
35 SN 2002iz SN* 02 31 20.7450 -08 36 13.414       22.1   SNIa 18 1
36 SN 2003kr SN* 02 31 20.9600 -08 36 14.195     22.0     SNIa 15 1
37 SN 2003kt SN* 02 33 46.9920 -08 36 22.141     22.8     SNIa 15 1
38 SN 1999ff SN* 02 33 54.39 +00 32 55.6     23.1     SNIa 15 1
39 SN 2003ll SN* 02 35 41.1900 -08 06 29.788       23.2   SNIa 13 1
40 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 6371 1
41 SN 2005gj SN* 03 01 11.96 -00 33 13.9   18.6       SNIapec 188 1
42 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 395 1
43 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 252 1
44 SN 1999fn SN* 04 14 03.88 +04 17 55.0     23.5     SNIa 13 1
45 SN 1997G SN* 04 58 30.23 -03 16 04.0       23.56   SNIa 16 1
46 SN 2004S SN* 06 45 43.50 -31 13 52.5   14.14 14.39     SNIa 70 1
47 SN 1997af SN* 08 23 52.67 +04 08 44.0       22.96   SNIa 23 1
48 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 241 1
49 SN 2005am SN* 09 16 12.47 -16 18 16.0     17.5     SNIa 106 1
50 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 275 1
51 SN 2001hc SN* 09 44 31.52 +08 02 02.8       21.4   SNIa 7 1
52 SN 2001ha SN* 10 06 33.50 +07 38 03.2       23.5   SNIa 7 1
53 SN 2003cg SN* 10 14 15.97 +03 28 02.5   15.94       SNIa 129 1
54 SN 2002bf SN* 10 15 42.31 +55 40 06.7   16.22       SNIa 56 1
55 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 297 1
56 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 306 1
57 SN 1997ai SN* 10 48 57.61 +00 31 50.0       22.25   SNIa 22 1
58 SN 1997aj SN* 10 55 52.98 -03 59 02.3       22.55   SNIa 21 1
59 SN 1997S SN* 10 57 51.59 -03 45 46.9       23.03   SNIa 14 1
60 SN 1999aw SN* 11 01 36.37 -06 06 31.6   16.88       SNIa 68 1
61 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 353 1
62 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 177 1
63 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 564 1
64 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 534 1
65 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 741 1
66 SN 1981B SN* 12 34 29.57 +02 11 59.3   11.74       SNIa 391 1
67 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 382 1
68 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 213 1
69 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 185 1
70 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 103 1
71 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 396 1
72 SN 1997ap SN* 13 47 09.90 +02 23 57.5       23.20   SNIa 26 1
73 SN 2001gy SN* 13 57 04.54 +04 30 59.8         23.4 SNIa 8 1
74 SN 2001gm SN* 14 01 51.18 +05 05 38.5         23.4 SNIa 7 1
75 SN 2000fr SN* 14 01 57.75 +04 43 42.4       24.5   SNIa 17 1
76 SN 2001go SN* 14 02 00.95 +05 00 59.2         23.7 SNIa 9 1
77 SN 1997cn SN* 14 09 57.76 +17 32 32.3   17.2 16.7     SNIapec 80 1
78 SN 2003fg SN* 14 16 18.924 +52 14 53.68           SNIa 124 1
79 SNLS 04D3kr SN* 14 16 35.934 +52 28 43.95         21.53 SNIa 18 2
80 SNLS 04D3ml SN* 14 16 39.068 +53 05 35.71         22.84 SNIa 16 1
81 SNLS 04D3fq SN* 14 16 57.885 +52 22 46.10         23.29 SNIa 16 1
82 SNLS 04D3dd SN* 14 17 48.405 +52 28 14.44         25.24 SNIa 17 1
83 SNLS 04D3ny SN* 14 18 56.320 +52 11 14.87         22.91 SNIa 16 1
84 SNLS 04D3mk SN* 14 19 25.764 +53 09 49.30         23.08 SNIa 14 1
85 SNLS 04D3lp SN* 14 19 50.909 +52 30 11.50         24.25 SNIa 14 1
86 SNLS 04D3gx SN* 14 20 13.668 +52 16 58.00           SNIa 14 1
87 SNLS 04D3nh SN* 14 22 26.708 +52 20 00.41         22.17 SNIa 18 2
88 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 337 1
89 SN 2005cf SN* 15 21 33.12 -07 26 57.1   13.54       SNIa 261 1
90 SN 2002gl SN* 15 43 24.4 +07 53 58       23.3   SNIa 7 1
91 SN 2001gw SN* 15 43 45.86 +07 57 50.3       22.0   SNIa 7 1
92 SN 1991M SN* 15 58 34.82 +17 27 28.7     14.55     SNIa 60 1
93 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 131 1
94 SN 2002er SN* 17 11 29.88 +07 59 44.8   14.25       SNIa 127 1
95 SN 2006gz SN* 18 10 26.33 +30 59 44.4   16.6       SNIa 140 1
96 SN 2004eo SN* 20 32 54.19 +09 55 42.7   15.07 17.8     SNIa 187 1
97 SN 2000E SN* 20 37 13.77 +66 05 50.2   12.85       SNIa 85 1
98 SNLS 03D4cy SN* 22 13 40.415 -17 40 53.91         22.38 SNIa 17 1
99 SNLS 04D4jy SN* 22 13 51.577 -17 24 17.62           SNIa 9 1
100 SNLS 04D4ic SN* 22 14 21.854 -17 56 36.55         23.87 SNIa 11 1
101 SNLS 03D4gl SN* 22 14 44.174 -17 31 44.09         22.73 SNIa 17 2
102 SNLS 04D4dm SN* 22 15 25.454 -17 14 42.57         23.44 SNIa 16 1
103 SNLS 04D4hu SN* 22 15 36.208 -17 50 20.04         22.17 SNIa 11 1
104 SNLS 04D4ii SN* 22 15 55.632 -17 39 26.92         21.90 SNIa 10 1
105 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 183 1
106 SNLS 03D4fd SN* 22 16 14.451 -17 23 44.06         22.76 SNIa 17 1
107 SNLS 03D4cn SN* 22 16 34.465 -17 16 12.56           SNIa 10 1
108 SNLS 03D4cz SN* 22 16 41.860 -17 55 34.57         21.45 SNIa 17 1
109 SN 2003lm SN* 23 24 25.5010 -08 45 50.834       22.5   SNIa 13 1
110 SN 2003jo SN* 23 25 24.0470 -09 26 00.659       22.8   SNIa 16 1
111 SN 2003kk SN* 23 25 36.0540 -09 31 44.807     20.3     SNIa 15 1
112 SN 2003jv SN* 23 27 58.1970 -08 57 11.687       22.2   SNIa 15 1
113 SN 2002ja SN* 23 30 09.6850 -09 35 01.809       22.2   SNIa 15 1
114 SN 2003ln SN* 23 30 27.1310 -08 35 46.927       22.9   SNIa 15 1
115 SN 1999fw SN* 23 31 53.03 +00 09 32.3     21.1     SNIa 11 1

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2022.08.09-04:36:55

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