2011ApJ...727..107G

Query : 2011ApJ...727..107G

2011ApJ...727..107G - Astrophys. J., 727, 107 (2011/February-1)

Subluminous type Ia supernovae at high redshift from the supernova legacy survey.

GONZALEZ-GAITAN S., PERRETT K., SULLIVAN M., CONLEY A., HOWELL D.A., CARLBERG R.G., ASTIER P., BALAM D., BALLAND C., BASA S., FOUCHEZ D., GUY J., HARDIN D., HOOK I.M., PAIN R., PRITCHET C.J., REGNAULT N., RICH J. and LIDMAN C.

Abstract (from CDS):

The rate evolution of subluminous Type Ia supernovae (SNe Ia) is presented using data from the Supernova Legacy Survey. This sub-sample represents the faint and rapidly declining light curves of the observed SN Ia population here defined by low-stretch values (s ≤ 0.8). Up to redshift z = 0.6, we find 18 photometrically identified subluminous SNe Ia, of which six have spectroscopic redshift (and three are spectroscopically confirmed SNe Ia). The evolution of the subluminous volumetric rate is constant or slightly decreasing with redshift, in contrast to the increasing SN Ia rate found for the normal stretch population, although a rising behavior is not conclusively ruled out. The subluminous sample is mainly found in early-type galaxies with little or no star formation, so that the rate evolution is consistent with a galactic mass-dependent behavior: r(z) = AxMg, with A = (1.1 ±0.3)x10–14 SNe/yr/M☉.

Abstract Copyright: ∼

Journal keyword(s): supernovae: general

Simbad objects: 50

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Number of rows : 50
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 2002hw SN* 00 06 49.06 +08 37 48.5     16.8     SNIa 49 1
2 SN 2003ic SN* 00 41 50.335 -09 18 19.12     17.6     SNIa 52 1
3 SN 2006mo SN* 00 46 38.479 +36 19 57.69     18.2     SNIa 40 1
4 SN 1998de SN* 00 48 06.88 +27 37 28.5   17.56       SNIapec 92 1
5 SN 2006gt SN* 00 56 17.30 -01 37 46.0     18.5     SNIap 67 1
6 SN 2006nz SN* 00 56 29.21 -01 13 36.1           SNIa 30 1
7 SN 2000dk SN* 01 07 23.52 +32 24 23.2   15.63 15.2     SNIa 109 1
8 SN 1992bo SN* 01 21 58.44 -34 12 43.5   15.85 15.76     SNIa 119 1
9 SN 2005hf SN* 01 27 05.990 +19 07 00.84     16.7     SNIa 33 1
10 SN 2002ap SN* 01 36 23.85 +15 45 13.2   13.11 14.54     SNIc-BL 587 1
11 SN 1992br SN* 01 45 44.83 -56 05 57.9   19.34 19.24     SNIa 51 1
12 SN 2006je SN* 01 50 53.28 +33 05 53.2     17.8     SNIapec 24 1
13 SN 2006ob SN* 01 51 48.132 +00 15 48.46           SNIa 68 1
14 SN 2006td SN* 01 58 15.761 +36 20 57.77     15.1     SNIa 38 1
15 SN 1995ak SN* 02 45 48.83 +03 13 50.1   16.23 16.07     SNIa 69 1
16 SN 1999eu SN* 02 46 20.79 -30 19 06.1     17.3     SNIIPp 46 1
17 SN 2003iv SN* 02 50 07.244 +12 50 45.28     17.2     SNIa 45 1
18 SN 2006gj SN* 03 17 35.80 -01 41 30.2     17.8     SNIa 50 1
19 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 1007 1
20 SN 2005ke SN* 03 35 04.35 -24 56 38.8     17.2     SNIap 162 1
21 SN 2001B SN* 04 57 19.24 +78 11 16.5     15.0     SNIb 46 1
22 SN 2006hb SN* 05 02 01.28 -21 07 55.1     15.7     SNIa 54 1
23 SN 2006N SN* 06 08 31.24 +64 43 25.1     15.0     SNIa 66 1
24 SN 2007au SN* 07 11 46.11 +49 51 13.4     17.0     SNIa 43 1
25 SN 2007ax SN* 08 22 43.26 +22 33 16.9     17.2     SNIap 70 1
26 SN 2005mc SN* 08 27 06.36 +21 38 45.6     17     SNIa 58 1
27 SN 2005am SN* 09 16 12.47 -16 18 16.0     17.5     SNIa 120 1
28 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 307 1
29 SN 2007al SN* 09 59 18.48 -19 28 25.8     16.6     SNIa 38 1
30 SN 2006al SN* 10 39 28.239 +05 11 00.38     16.9     SNIa 36 1
31 SN 2006ak SN* 11 09 32.640 +28 37 51.64     15.8     SNIa 35 1
32 SN 2007ci SN* 11 45 45.85 +19 46 13.9     17.5     SNIa 61 1
33 SN 2005bl SN* 12 04 12.24 +20 24 24.6           SNIap 109 1
34 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
35 SN 1994M SN* 12 31 08.61 +00 36 19.6   16.31 16.24     SNIa 102 1
36 SN 1999bm SN* 12 45 00.84 -06 27 30.2     20.5     SNIa 17 1
37 SN 2006bz SN* 13 00 43.38 +27 57 41.8     17.5     SNIa 36 1
38 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 240 1
39 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1
40 SN 2006br SN* 13 30 01.80 +13 24 56.8     17.8     SNIa 50 1
41 SN 1993H SN* 13 52 50.34 -30 42 23.3   16.99       SNIa 91 1
42 SN 2002ao SN* 14 29 35.74 -00 00 55.8     14.3     SNIb/cpec 56 1
43 SN 2006bw SN* 14 33 58.06 +03 47 50.4     16.6     SNIa 43 1
44 SN 1999da SN* 17 35 22.96 +60 48 49.3   16.84       SNIa 68 1
45 SN 1998bp SN* 17 54 50.74 +18 19 50.5   15.73       SNIa 77 1
46 SN 1990af SN* 21 34 58.12 -62 44 07.4   17.91 17.75     SNIa 84 1
47 SN 1998co SN* 21 47 36.24 -13 10 52.3     16     SNIa 31 1
48 SN 1992bl SN* 23 15 13.09 -44 44 35.7   17.34 17.33     SNIa 65 1
49 SN 2003jd SN* 23 21 03.38 -04 53 45.5   16.34       SNIc-BL 147 1
50 SN 2001da SN* 23 53 32.78 +08 07 02.6     16.5     SNIa 58 1

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