2001ApJ...554L.193H

Query : 2001ApJ...554L.193H

2001ApJ...554L.193H - Astrophys. J., 554, L193-L196 (2001/June-3)

The progenitors of subluminous type Ia supernovae.

HOWELL D.A.

Abstract (from CDS):

We find that spectroscopically peculiar subluminous Type Ia supernovae (SNe Ia) come from an old population. Of the 16 subluminous SNe Ia known, 10 are found in E/S0 galaxies, and the remainder are found in early-type spiral galaxies. The probability that this is a chance occurrence is only 0.2%. The finding that subluminous SNe Ia are associated with an older stellar population indicates that for a sufficiently large look-back time (already accessible in current high-redshift searches) they will not be found. Due to a scarcity in old populations, hydrogen and helium main-sequence stars and He red giant stars that undergo Roche lobe overflow are unlikely to be the progenitors of subluminous SNe Ia. Earlier findings that overluminous SNe Ia [Δm15(B)≲0.95] come from a young progenitor population are confirmed. The fact that subluminous SNe Ia and overluminous SNe Ia come from different progenitor populations and also have different properties is a prediction of the CO white dwarf merger progenitor scenario.

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Journal keyword(s): Stars: Supernovae: General

Simbad objects: 82

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Number of rows : 82
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 MCG-01-02-001 Sy1 00 20 00.066 -06 20 01.36   14   13.43   ~ 43 0
2 SN 1999cw SN* 00 20 01.46 -06 20 03.6     14.2     SNIa 34 1
3 NGC 105 G 00 25 16.7518787184 +12 53 01.913865576   14.1       ~ 73 0
4 SN 1997cw SN* 00 25 17.27 +12 53 06.2   16.00       SNIapec 48 1
5 NGC 252 GiG 00 48 01.5069897792 +27 37 26.093379360   13.4 12.49     ~ 89 0
6 SN 1998de SN* 00 48 06.88 +27 37 28.5   17.56       SNIapec 92 1
7 SN 2000cx SN* 01 24 46.150 +09 30 30.89           SNIap 227 1
8 NGC 524 GiP 01 24 47.7429545736 +09 32 20.089023900   11.5       ~ 494 1
9 NGC 632 GiC 01 37 17.5654465512 +05 52 38.153863848   13.5       ~ 130 1
10 SN 1998es SN* 01 37 17.60 +05 52 50.6   13.99       SNIapec 128 1
11 SN 1999gp SN* 02 31 39.15 +39 22 52.3   16.04       SNIa 98 1
12 Z 523-54 G 02 31 40.0741701792 +39 22 41.829409200   14.3       ~ 56 0
13 SN 1999dq SN* 02 33 59.68 +20 58 30.4   14.68       SNIapec 126 1
14 NGC 976 GiG 02 34 00.0380649672 +20 58 36.291595584   12.9       ~ 124 0
15 ESO 300-9 GiG 03 05 15.788 -39 33 41.14   15.67   14.34   ~ 39 0
16 SN 1992bc SN* 03 05 16.05 -39 33 34.6   15.15 15.17     SNIa 130 1
17 UGC 3151 GiG 04 45 19.616 +11 04 04.53   16.5       ~ 61 0
18 SN 1995bd SN* 04 45 21.24 +11 04 02.5   17.29       SNIapec 73 1
19 SN 1999J SN* 05 35 32.27 -69 29 52.1     17     SNIapec 6 1
20 SN 1996bv SN* 06 16 13.001 +57 03 08.89   15.38       SNIa 60 1
21 Z 284-9 AG? 06 16 13.650 +57 03 05.37   15.5       ~ 48 0
22 NGC 2595 H2G 08 27 42.0263359560 +21 28 44.704954668   13.9       ~ 198 0
23 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 274 1
24 SN 1957A SN* 09 21 51.2 +50 59 52   14.6       SNIapec 53 1
25 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 307 1
26 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
27 SN 1995al SN* 09 50 55.97 +33 33 09.4   13.36 13.22     SNIa 115 1
28 NGC 3021 GiG 09 50 57.1456156056 +33 33 12.934404072   12.6       ~ 208 0
29 SN 1994ae SN* 10 47 01.94 +17 16 30.8   13.20 12.99     SNIa 183 1
30 NGC 3370 GiG 10 47 04.0734572856 +17 16 25.315359780   12.4       ~ 272 1
31 SN 1999bh SN* 10 54 46.97 +61 17 20.0     16.8     SNIa 28 1
32 NGC 3435 AG? 10 54 48.3299264640 +61 17 23.483165532   14.2       ~ 50 0
33 NGC 3458 GiG 10 56 01.4778952176 +57 07 01.095032244   13.20       ~ 117 1
34 SN 1991F SN* 10 56 02.2 +57 06 48     18     SNIapec 22 1
35 SN 2001ah SN* 11 10 29.835 +55 09 39.02     18.3     SNIapec 36 1
36 MCG+09-18-096 LIN 11 10 30.3348897384 +55 10 11.637330456   16.0       ~ 31 0
37 NGC 4096 GiG 12 06 01.161 +47 28 42.09   11.61   10.86   ~ 271 0
38 SN 1960H SN* 12 06 07.52 +47 30 38.1   14.5 14.5     SNIapec 22 1
39 SN 1957B SN* 12 25 03.19 +12 53 59.8   12.20       SNIa 77 1
40 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
41 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
42 SN 1980I SN* 12 25 38.12 +12 53 23.5   12.7       SNIapec 44 1
43 NGC 4387 GiG 12 25 41.6768484264 +12 48 37.804615956 13.42 13.01 12.12   10.87 ~ 409 1
44 NGC 4527 AGN 12 34 08.49600 +02 39 13.7160   12.4       ~ 549 2
45 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
46 SN 1998ci SN* 12 41 01.1 -06 39 47           SNIa 6 1
47 SN 1992P SN* 12 42 48.93 +10 21 36.2   16.14 16.09     SNIa 78 1
48 IC 3690 G 12 42 49.233 +10 21 26.85   15.3       ~ 71 0
49 NGC 4704 Sy2 12 48 46.4268385512 +41 55 16.509765900   14.8       ~ 77 0
50 SN 1998ab SN* 12 48 47.24 +41 55 28.3   15.94       SNIapec 76 1
51 IC 4182 BiC 13 05 48.7478324064 +37 36 12.965157684   11.86   11.40   ~ 344 1
52 SN 1937C SN* 13 05 53.2 +37 36 07   8.80 8.77     SNIa 203 1
53 SN 1992K SN* 13 10 04.20 -46 26 30.3   16.30 16.2     SNIapec 76 1
54 ESO 269-57 GiG 13 10 04.4423275416 -46 26 14.476741944   12.49   11.30 11.9 ~ 59 0
55 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
56 SN 1971I SN* 13 15 49.6 +41 59 15   11.60       SNIa 75 1
57 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 113 1
58 MCG-04-32-007 EmG 13 20 43.744 -22 03 03.92   14.66   13.67 13.9 ~ 91 0
59 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
60 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1
61 SN 1988G SN* 13 30 42.93 +31 54 59.5   15.8 17     SNIa 13 1
62 SN 1972E SN* 13 39 52.7 -31 40 09   8.49 8.30     SNIa 309 1
63 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
64 SN 1996bk SN* 13 46 57.98 +60 58 12.9   14.89       SNIa 40 1
65 NGC 5308 GiP 13 47 00.4361008824 +60 58 23.334066588   12.5       ~ 217 0
66 NGC 5490 GiG 14 09 57.330 +17 32 43.53   13.4 15.5     ~ 178 1
67 SN 1997cn SN* 14 09 57.76 +17 32 32.3   17.2 16.7     SNIapec 91 1
68 Z 77-39 GiG 15 11 28.0456214856 +13 29 00.793653828   15.0       ~ 28 0
69 SN 1999dg SN* 15 11 28.41 +13 29 05.7     16.7     SNIa 30 2
70 NGC 6063 AG? 16 07 13.0021003512 +07 58 44.434838856   14.1       ~ 165 0
71 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 144 1
72 SN 1999da SN* 17 35 22.96 +60 48 49.3   16.84       SNIa 68 1
73 NGC 6411 AG? 17 35 32.8446342384 +60 48 48.236693796   13.2       ~ 119 0
74 SN 1998bp SN* 17 54 50.74 +18 19 50.5   15.73       SNIa 77 1
75 NGC 6495 GiG 17 54 50.7755269728 +18 19 36.669498852   13.8       ~ 60 0
76 SN 1991ag SN* 20 00 08.61 -55 22 03.1   14.67 14.39     SNIa 61 1
77 IC 4919 AG? 20 00 09.05 -55 22 24.2   15.03   14.31 14.2 ~ 34 0
78 IC 1371 G 21 20 15.6495546648 -04 52 35.281373484   15   12.96   ~ 29 0
79 SN 2000ej SN* 21 20 15.66 -04 52 40.5     18     SNIa: 12 1
80 SN 1995ac SN* 22 45 34.14 -08 45 04.7   17.23 17.10     SNIapec 87 2
81 NGC 7742 GiP 23 44 15.7534099368 +10 46 01.533226872   12.5       ~ 226 0
82 SN 1993R SN* 23 44 16.29 +10 46 07.1       17   SNIac 24 1

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