2020A&A...644A.176R

Query : 2020A&A...644A.176R

2020A&A...644A.176R - Astronomy and Astrophysics, volume 644A176-176 (2020/12-1)

Strong dependence of Type Ia supernova standardization on the local specific star formation rate.

RIGAULT M., BRINNEL V., ALDERING G., ANTILOGUS P., ARAGON C., BAILEY S., BALTAY C., BARBARY K., BONGARD S., BOONE K., BUTON C., CHILDRESS M., CHOTARD N., COPIN Y., DIXON S., FAGRELIUS P., FEINDT U., FOUCHEZ D., GANGLER E., HAYDEN B., HILLEBRANDT W., HOWELL D.A., KIM A., KOWALSKI M., KUESTERS D., LEGET P.-F., LOMBARDO S., LIN Q., NORDIN J., PAIN R., PECONTAL E., PEREIRA R., PERLMUTTER S., RABINOWITZ D., RUNGE K., RUBIN D., SAUNDERS C., SMADJA G., SOFIATTI C., SUZUKI N., TAUBENBERGER S., TAO C. and THOMAS R.C.

Abstract (from CDS):

As part of an on-going effort to identify, understand and correct for astrophysics biases in the standardization of Type Ia supernovae (SN Ia) for cosmology, we have statistically classified a large sample of nearby SNe Ia into those that are located in predominantly younger or older environments. This classification is based on the specific star formation rate measured within a projected distance of 1kpc from each SN location (LsSFR). This is an important refinement compared to using the local star formation rate directly, as it provides a normalization for relative numbers of available SN progenitors and is more robust against extinction by dust. We find that the SNe Ia in predominantly younger environments are ΔY=0.163±0.029mag (5.7σ) fainter than those in predominantly older environments after conventional light-curve standardization. This is the strongest standardized SN Ia brightness systematic connected to the host-galaxy environment measured to date. The well-established step in standardized brightnesses between SNe Ia in hosts with lower or higher total stellar masses is smaller, at ΔM=0.119±0.032mag (4.5σ), for the same set of SNe Ia. When fit simultaneously, the environment-age offset remains very significant, with ΔY=0.129±0.032mag (4.0σ), while the global stellar mass step is reduced to ΔM=0.064±0.029mag (2.2σ). Thus, approximately 70% of the variance from the stellar mass step is due to an underlying dependence on environment-based progenitor age. Also, we verify that using the local star formation rate alone is not as powerful as LsSFR at sorting SNe Ia into brighter and fainter subsets. Standardization that only uses the SNe Ia in younger environments reduces the total dispersion from 0.142±0.008mag to 0.120±0.010mag. We show that as environment-ages evolve with redshift, a strong bias, especially on the measurement of the derivative of the dark energy equation of state, can develop. Fortunately, data that measure and correct for this effect using our local specific star formation rate indicator, are likely to be available for many next-generation SN Ia cosmology experiments.

Abstract Copyright: © M. Rigault et al. 2020

Journal keyword(s): cosmology: observations - cosmological parameters - dark energy

VizieR on-line data: <Available at CDS (J/A+A/644/A176): table1.dat table2.dat>

Simbad objects: 147

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Number of rows : 147
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 SNF 20080717-000 SN* 00 06 54.69 +24 59 52.0           ~ 4 0
2 SNF 20071021-000 SN* 00 15 00.089 +16 19 59.35           SNIa 17 1
3 PTF 10wnm SN* 00 22 03.6960671352 +27 02 21.519078396   18.17 18.13     SNIa 19 0
4 SNF 20070902-021 SN* 00 30 00.88 +33 17 31.5           ~ 2 0
5 2MASS J00361352+0710005 SN* 00 36 13.5318682992 +07 10 00.640920180           SNIa 5 0
6 SNF 20061022-005 SN* 00 40 38.033 -08 52 52.79           ~ 3 0
7 SNF 20061020-000 SN* 00 41 05.1 +06 47 44           SNIa 8 0
8 PTF 09foz SN* 00 42 11.9 -09 52 54           ~ 17 0
9 SNF 20060916-002 SN* 00 50 35.42 +04 47 40.5           ~ 3 0
10 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
11 2MASS J00524509-0817119 SN* 00 52 45.1100421936 -08 17 11.908113792           SNIa 3 0
12 SNF 20050728-000 SN* 00 57 29.59 -22 35 15.3           ~ 2 0
13 SN 2007nq SN* 00 57 33.60 -01 23 19.5     17.6     SNIa 50 1
14 SNF 20080919-001 SN* 01 06 44.83 -11 07 34.6           ~ 2 0
15 SNF 20070818-001 SN* 01 10 55.27 -06 27 09.0           SNIa 6 0
16 SN 2005ir SN* 01 16 43.752 +00 47 40.36           SNIa 67 1
17 SNF 20070902-018 SN* 01 21 09.329 -04 14 11.75           ~ 7 0
18 SN 2005hj SN* 01 26 48.40 -01 14 17.2       17.40   SNIa 100 1
19 SNF 20050821-007 SN* 01 30 29.25 +09 14 24.7           ~ 3 0
20 SNF 20080802-006 SN* 01 33 37.20 +28 07 56.6           ~ 2 0
21 SNF 20060912-004 SN* 01 36 27.6 -05 40 21           ~ 2 0
22 SNF 20070817-003 SN* 01 37 36.98 -09 11 40.5           SNIa 8 0
23 SNF 20080825-010 SN* 01 37 40.94 -13 18 53.6           SNIa 8 0
24 SN 2006ob SN* 01 51 48.132 +00 15 48.46           SNIa 68 1
25 SN 2005hc SN* 01 56 47.976 -00 12 48.62           SNIa 99 1
26 2MASS J02035712-0552289 SN* 02 03 57.1163357064 -05 52 28.911751176           ~ 2 0
27 SNF 20080913-031 SN* 02 11 32.3 +23 53 07           ~ 6 0
28 PTF 10zdk SN* 02 14 07.326 +23 37 50.17           SNIa 8 0
29 SNF 20080920-000 SN* 02 20 34.12 +04 27 17.2           SNIa 5 0
30 SNF 20080919-002 SN* 02 25 21.00 -08 39 03.2           ~ 4 0
31 SNF 20071003-016 SN* 02 27 26.13 +09 44 58.2           ~ 3 0
32 SN 2005eu SN* 02 27 43.30 +28 10 37.8     17.6     SNIa 67 2
33 SNF 20050927-005 SN* 02 36 38.234 +08 38 33.43           ~ 3 0
34 SNF 20071003-004 SN* 02 44 48.74 -16 19 30.0           ~ 3 0
35 SNF 20061011-005 SN* 02 46 40.41 -01 48 18.3           ~ 3 0
36 PTF 12iiq SN* 02 50 07.76 -00 15 54.4           SNIa 9 0
37 LSQ 12fmx SN* 03 12 52.18 -00 12 12.8           SNIa 4 0
38 SNF 20061030-010 SN* 03 18 20.211 -02 18 49.18           ~ 2 0
39 SN 2007kk SN* 03 42 23.258 +39 14 30.30     18.3     SNIa 45 1
40 SNF 20080914-001 SN* 04 57 27.04 +00 04 16.6           ~ 3 0
41 SN 2004gc SN* 05 21 49.949 +06 40 33.71     17.4     SNIa 32 1
42 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
43 SNF 20071108-021 SN* 08 06 06.07 +30 32 45.6           ~ 2 0
44 SN 2007bd SN* 08 31 33.281 -01 11 57.98           SNIa 100 1
45 SN 2011be SN* 09 22 52.62 +21 59 15.7           SNIa 7 1
46 SNF 20070331-014 SN* 10 44 17.3 +34 56 40           ~ 2 0
47 SNF 20070403-000 SN* 10 44 56.66 +23 15 41.7           ~ 2 0
48 2MASS J10560374+2808376 SN* 10 56 03.7529134104 +28 08 37.540503132           SNIa 3 0
49 SN 2007bc SN* 11 19 14.570 +20 48 32.51           SNIa 78 1
50 SNF 20080516-000 SN* 11 22 29.76 +56 24 27.0           SNIa 5 0
51 NAME CRTS CSS130502 J114010+3001461 SN* 11 40 09.48 +30 01 44.4           SNIa 3 0
52 SN 2011ho SN* 11 44 12.95 +33 30 58.1           SNIapec 8 1
53 SN 2011bc SN* 12 04 32.94 +20 12 11.4           SNIa 13 1
54 SN 2010dm SN* 12 11 33.31 +47 16 28.5   17.33 17.14 19.5   SNIa 27 1
55 SNF 20060521-001 SN* 12 16 52.9924730472 -03 15 28.671738372           ~ 2 0
56 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
57 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
58 SN 2013be SN* 12 36 27.67 +11 45 28.1           SNIa 8 1
59 SNF 20060521-008 SN* 12 44 03.0 -05 06 34           ~ 2 0
60 SN 2006cj SN* 12 59 24.42 +28 20 51.6     18.1     SNIa 46 1
61 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 240 1
62 SNF 20080514-002 SN* 13 29 12.84 +11 16 20.5           SNIa 47 0
63 SNF 20070330-024 SN* 13 38 13.68 -20 20 48.8           ~ 4 0
64 PTF 12dxm SN* 13 53 26.48 +43 54 48.6           SNIa 8 0
65 CRTS CSS120424 J140216-112108 SN? 14 02 16.25 -11 21 08.5           ~ 2 0
66 SNF 20070429-000 SN* 14 10 03.6 +33 10 02           ~ 2 0
67 SNF 20060512-001 SN* 14 13 24.98 +17 46 59.8           ~ 8 0
68 SN 2013bt SN* 14 21 15.13 +61 34 15.9           SNIa 6 1
69 SNF 20080614-010 SN* 14 26 53.08 +23 56 11.0           SNIa 5 0
70 SNF 20060512-002 SN* 14 33 31.1 +17 01 11           ~ 2 0
71 SNF 20070531-011 SN* 14 42 51.48 +08 45 31.6           SNIa 5 0
72 SNF 20060526-003 SN* 14 43 02.5 -18 52 37           SNIa 6 0
73 SNF 20060618-014 SN* 14 47 56.66 +02 52 18.1           ~ 2 0
74 SNF 20080510-001 SN* 14 56 13.27 +18 51 14.4           SNIa 6 0
75 SNF 20070424-003 SN* 14 57 54.52 +18 36 20.8           SNIa 5 0
76 SNF 20080516-022 SN* 14 59 27.0 +58 00 06           SNIa 4 0
77 SNF 20070506-006 SN* 15 09 34.63 +04 52 28.9           SNIa 9 0
78 SNF 20080610-000 SN* 15 13 49.27 +01 51 50.7           SNIa 5 0
79 PTF 09dnp SN* 15 19 24.5 +49 29 56           SNIa-norm 19 0
80 SNF 20080522-011 SN* 15 19 58.94 +04 54 16.5           SNIa 25 0
81 SNF 20070714-007 SN* 15 46 39.52 +03 29 36.9           ~ 3 0
82 SNF 20060609-002 SN* 16 04 30.45 +17 28 07.3           ~ 4 0
83 LSQ 13vy SN* 16 06 55.85 +03 00 15.1           ~ 7 0
84 SNF 20080620-000 SN* 16 10 17.56 +22 43 31.4           ~ 7 0
85 SN 2008cl SN* 16 11 04.349 +52 27 07.99           SNIa 20 1
86 SNF 20070727-016 SN* 16 14 30.1 +56 04 11           SNIa 4 0
87 SNF 20070802-000 SN* 16 14 51.6 +56 23 56           SNIa 6 0
88 SNF 20080507-000 SN* 16 15 07.08 +50 16 41.5           ~ 5 0
89 SNF 20080612-003 SN* 16 15 28.72 +19 13 32.8           SNIa 6 1
90 SNF 20080531-000 SN* 16 17 00.0 +19 07 05           SNIa 6 0
91 SNF 20060530-003 SN* 16 17 51.9 -00 19 57           ~ 2 0
92 PTF 11cao SN* 16 18 47.96 +25 11 16.5           SNIa 7 0
93 PTF 11bnx SN* 16 30 19.32 +21 05 07.3           SNIa 5 0
94 PTF 10qjl SN* 16 39 59.25 +12 06 26.6   17.79 17.89     SNIa 10 0
95 SNF 20070712-003 SN* 16 42 40.36 +50 35 50.2           SNIa 5 0
96 SN 2010dt SN* 16 43 15.062 +32 40 27.55           SNIa 23 1
97 SN 2008eq SN* 17 00 07.200 +23 07 56.60           SNIa 22 1
98 SNF 20080512-008 SN* 17 03 35.18 +31 21 11.1           ~ 3 0
99 PTF 10qjq SN* 17 07 12.38 +35 30 36.0   16.08 16.00     SNIa 12 0
100 SN 2013bs SN* 17 17 22.03 +41 04 00.2           SNIa 12 1
101 SN 2010gn SN* 17 17 50.11 +40 52 52.6   16.81 16.78     SNIa 32 1
102 SNF 20080806-002 SN* 17 18 54.74 +45 32 35.1           ~ 2 0
103 SN 2009jb SN* 17 23 41.8 +30 29 50   1.05 1.07 18.5   SNIa-norm 24 1
104 SNF 20050624-000 SN* 17 34 46.4 -02 21 26           ~ 3 0
105 SNF 20060624-019 SN* 17 38 44.97 +04 11 50.2           ~ 2 0
106 SNF 20080810-001 SN* 17 39 37.77 +37 52 03.7           SNIa 6 0
107 SNF 20080731-000 SN* 17 44 03.38 +33 02 24.7           ~ 3 0
108 SNF 20070712-000 SN* 17 46 11.23 +55 15 59.4           ~ 3 0
109 SNF 20080623-001 SN* 18 11 39.79 +50 10 56.2           SNIa 9 0
110 SNF 20080821-000 SN* 20 24 20.18 +06 10 27.8           ~ 5 0
111 SNF 20060621-012 SN* 20 26 42.04 -12 12 28.4           ~ 2 0
112 SNF 20060511-014 SN* 21 00 32.06 -24 37 02.2           SNIa 4 0
113 SNF 20060907-000 SN* 21 01 11.76 +21 24 01.8           ~ 6 0
114 SNF 20070725-001 SN* 21 05 01.84 +08 16 24.6           SNIa 4 0
115 SNF 20060621-015 SN* 21 15 32.01 -13 24 05.4           SNIa 6 0
116 PTF 11mty SN* 21 34 05.20 +10 25 24.6           SNIa 7 0
117 PTF 09dlc SN* 21 46 30.00 +06 25 06.9   18.04 18.20 19.2   SNIa-norm 26 0
118 SNF 20070806-026 SN* 21 53 52.686 +04 29 54.47           SNIa 4 0
119 SNF 20050728-006 SN* 21 58 04.87 -14 00 01.8           ~ 4 0
120 SNF 20080909-030 SN* 22 01 49.070 +13 03 19.10           SNIa 18 1
121 SNF 20080926-009 SN* 22 08 22.75 -10 58 19.5           ~ 3 0
122 SN 2007cq SN* 22 14 40.41 +05 04 48.6     15.8     SNIa 72 1
123 SNF 20050829-003 SN* 22 26 52.51 +10 29 22.5           ~ 2 0
124 SNF 20080815-017 SN* 22 30 16.87 +24 59 33.3           ~ 2 0
125 SNF 20070831-015 SN* 22 31 25.709 +10 47 41.46           ~ 5 0
126 SN 2011ga SN* 22 40 27.42 +03 11 58.0           SNIa 6 1
127 SN 2004ef SN* 22 42 10.020 +19 59 39.88           SNIa 107 1
128 SNF 20070820-000 SN* 22 43 43.011 +24 21 58.03           ~ 3 0
129 SNF 20080908-000 SN* 22 47 12.67 -19 34 46.9           ~ 3 0
130 SN 2010ex SN* 23 00 10.81 +26 05 56.2           SNIa 14 1
131 SNF 20071015-000 SN* 23 05 34.08 +09 07 15.2           SNIa 6 0
132 SNF 20061111-002 SN* 23 07 18.69 -13 31 07.3           SNIa 5 0
133 LSQ 12ekl SN* 23 11 25.46 -01 51 54.4           SNIa 2 0
134 SN 2011hv SN* 23 18 16.55 +00 15 43.1           SNIa 4 1
135 PTF 10xyt SN* 23 19 02.42 +13 47 26.1   18.40 18.21     SNIa 15 0
136 SN 2010ho SN* 23 19 09.723 +09 11 45.55   17.15 17.12     SNIa 27 1
137 SN 2009hi SN* 23 23 56.2 +16 46 30           SNIa-norm 11 1
138 SNF 20070701-005 SN* 23 25 08.6 -09 58 46           SNIa 9 0
139 SNF 20061022-014 SN* 23 27 05.40 +04 25 33.6           ~ 2 0
140 SN 2011hb SN* 23 27 55.51 +08 46 45.7           SNIa-norm 28 1
141 SN 2006do SN* 23 32 03.4 -27 43 33           SNIa 13 1
142 PTF 10wof SN* 23 32 41.37 +15 21 31.6   17.93 17.83     SNIa 17 0
143 SNF 20080918-000 SN* 23 33 19.34 +25 12 44.2           ~ 4 0
144 SNF 20070630-006 SN* 23 35 27.50 +19 13 25.6           SNIa 5 0
145 SNF 20080725-004 SN* 23 37 22.12 +19 55 52.6           ~ 5 0
146 SN 2006dm SN* 23 41 47.839 -03 40 08.40     17.3     SNIa 43 1
147 SNF 20080822-005 SN* 23 49 21.98 +19 12 23.0           SNIa 4 0

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