2020MNRAS.494.4426S

Query : 2020MNRAS.494.4426S

2020MNRAS.494.4426S - Mon. Not. R. Astron. Soc., 494, 4426-4447 (2020)

First cosmology results using type Ia supernovae from the Dark Energy Survey: the effect of host galaxy properties on supernova luminosity.

SMITH M., SULLIVAN M., WISEMAN P., KESSLER R., SCOLNIC D., BROUT D., D'ANDREA C.B., DAVIS T.M., FOLEY R.J., FROHMAIER C., GALBANY L., GUPTA R.R., GUTIERREZ C.P., HINTON S.R., KELSEY L., LIDMAN C., MACAULAY E., MOLLER A., NICHOL R.C., NUGENT P., PALMESE A., PURSIAINEN M., SAKO M., SWANN E., THOMAS R.C., TUCKER B.E., VINCENZI M., CAROLLO D., LEWIS G.F., SOMMER N.E., ABBOTT T.M.C., AGUENA M., ALLAM S., AVILA S., BERTIN E., BHARGAVA S., BROOKS D., BUCKLEY-GEER E., BURKE D.L., CARNERO ROSELL A., CARRASCO KIND M., COSTANZI M., DA COSTA L.N., DE VICENTE J., DESAI S., DIEHL H.T., DOEL P., EIFLER T.F., EVERETT S., FLAUGHER B., FOSALBA P., FRIEMAN J., GARCIA-BELLIDO J., GAZTANAGA E., GLAZEBROOK K., GRUEN D., GRUENDL R.A., GSCHWEND J., GUTIERREZ G., HARTLEY W.G., HOLLOWOOD D.L., HONSCHEID K., JAMES D.J., KRAUSE E., KUEHN K., KUROPATKIN N., LIMA M., MacCRANN N., MAIA M.A.G., MARSHALL J.L., MARTINI P., MELCHIOR P., MENANTEAU F., MIQUEL R., PAZ-CHINCHON F., PLAZAS A.A., ROMER A.K., ROODMAN A., RYKOFF E.S., SANCHEZ E., SCARPINE V., SCHUBNELL M., SERRANO S., SEVILLA-NOARBE I., SUCHYTA E., SWANSON M.E.C., TARLE G., THOMAS D., TUCKER D.L., VARGA T.N., WALKER A.R. (The DES Collaboration)

Abstract (from CDS):

We present improved photometric measurements for the host galaxies of 206 spectroscopically confirmed type Ia supernovae discovered by the Dark Energy Survey Supernova Program (DES-SN) and used in the first DES-SN cosmological analysis. For the DES-SN sample, when considering a 5D (z, x1, c, α, β) bias correction, we find evidence of a Hubble residual 'mass step', where SNe Ia in high-mass galaxies (>1010M☉) are intrinsically more luminous (after correction) than their low-mass counterparts by γ=0.040±0.019 mag. This value is larger by 0.031 mag than the value found in the first DES-SN cosmological analysis. This difference is due to a combination of updated photometric measurements and improved star formation histories and is not from host-galaxy misidentification. When using a 1D (redshift-only) bias correction the inferred mass step is larger, with γ=0.066±0.020 mag. The 1D-5D γ difference for DES-SN is 0.026±0.009 mag. We show that this difference is due to a strong correlation between host galaxy stellar mass and the x1 component of the 5D distance-bias correction. Including an intrinsic correlation between the observed properties of SNe Ia, stretch and colour, and stellar mass in simulated SN Ia samples, we show that a 5D fit recovers γ with -9 mmag bias compared to a +2 mmag bias for a 1D fit. This difference can explain part of the discrepancy seen in the data. Improvements in modelling correlations between galaxy properties and SN is necessary to ensure unbiased precision estimates of the dark energy equation of state as we enter the era of LSST.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): surveys - supernovae: general - distance scale - cosmology: observations - transients: supernovae

VizieR on-line data: <Available at CDS (J/MNRAS/494/4426): tableb1.dat>

Simbad objects: 206

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Number of rows : 206
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 DES15E1neh SN* 00 26 40.773 -42 57 50.64           SNIa 8 0
2 DES15E1ebw SN* 00 28 08.656 -43 17 29.61           SNIa 5 0
3 DES14E1tb SN* 00 28 48.004 -43 33 44.16           SNIa 6 0
4 DES15E1kst SN* 00 29 16.140 -42 03 07.92           SNIa 5 0
5 DES15E1ods SN* 00 29 26.013 -42 16 02.46           SNIa 6 0
6 DES15E1mar SN* 00 29 28.164 -43 23 17.37           SNIa 6 0
7 DES15E1mvj SN* 00 29 34.635 -42 48 48.34           SNIa 3 0
8 DES13E1goh SN* 00 29 51.628 -43 08 15.96           SNIa 6 0
9 DES15E1mvi SN* 00 30 05.946 -43 02 02.87           SNIa 6 0
10 DES13E1sae SN* 00 30 24.387 -42 17 53.65           SNIa 8 0
11 DES15E1cwo SN* 00 31 19.308 -42 30 05.04           SNIa 4 0
12 DES14E1rpk SN* 00 32 05.856 -42 39 58.48           SNIa 4 0
13 DES15E1lew SN* 00 32 08.721 -42 33 15.06           SNIa 6 0
14 DES15E1nei SN* 00 32 20.079 -43 44 27.00           SNIa 8 0
15 DES15E1kvp SN* 00 32 44.895 -43 34 36.97           SNIa 9 0
16 DES15E2kvn SN* 00 33 07.189 -44 08 24.56           SNIa 9 0
17 DES15E1ece SN* 00 33 52.355 -42 05 41.13           SNIa 5 0
18 DES14E1anf SN* 00 33 56.130 -43 20 58.98           SNIa 8 0
19 DES15E2dzb SN* 00 35 27.186 -44 55 01.56           SNIa 7 0
20 DES15E2so SN* 00 35 30.614 -44 22 16.77           SNIa 6 0
21 DES15E2mhv SN* 00 35 39.887 -44 53 37.44           SNIa 6 0
22 DES15E2nlz SN* 00 35 51.337 -44 40 36.11           SNIa 8 0
23 DES15E1kwg SN* 00 36 33.801 -43 29 14.12           SNIa 8 0
24 DES14E2slo SN* 00 37 23.139 -43 52 18.90           SNIa 4 0
25 DES15E2nk SN* 00 37 38.527 -43 55 13.22           SNIa 9 0
26 DES14E2u SN* 00 37 51.132 -43 43 17.26           SNIa 8 0
27 DES15E2uc SN* 00 37 53.408 -43 18 52.28           SNIa 7 0
28 DES15E2mhj SN* 00 38 13.275 -44 02 58.29           SNIa 5 0
29 DES14E2fyd SN* 00 40 00.626 -44 03 14.84           SNIa 6 0
30 DES15E2cwm SN* 00 40 42.937 -43 56 54.02           SNIa 10 0
31 DES15E2msq SN* 00 40 43.569 -43 38 41.63           SNIa 5 0
32 DES13E2tbn SN* 00 41 02.883 -44 23 38.73           SNIa 6 0
33 DES15E2mhy SN* 00 41 17.094 -43 53 10.42           SNIa 7 0
34 DES15E2bo SN* 00 41 36.952 -43 38 16.00           SNIa 7 0
35 DES15X1oox SN* 02 14 49.552 -04 40 29.06           SNIa 5 0
36 DES15X1ebs SN* 02 15 10.490 -04 31 20.07           SNIa 9 0
37 DES15X1eei SN* 02 15 29.569 -05 03 09.18           SNIa 4 0
38 DES15X1oqk SN* 02 15 35.689 -05 35 59.36           SNIa 6 0
39 DES13X1kae SN* 02 15 37.110 -04 12 33.18           SNIa 8 0
40 DES15X1mvl SN* 02 16 30.821 -05 40 49.99           SNIa 5 0
41 DES15X1ith SN* 02 17 08.516 -04 17 53.42           SNIa 8 0
42 DES15X1ney SN* 02 17 43.192 -04 58 33.75           SNIa 6 0
43 DES15X1mbc SN* 02 17 57.495 -04 51 44.76           SNIa 5 0
44 DES14X1fnt SN* 02 18 11.127 -05 00 36.41           SNIa 7 0
45 DES15X1odo SN* 02 18 17.309 -05 39 17.55           SNIa 6 0
46 DES14X1oes SN* 02 19 19.904 -05 47 21.93           SNIa 6 0
47 DES15X1mzz SN* 02 19 37.208 -05 52 08.85           SNIa 5 0
48 DES14X2mqz SN* 02 20 10.077 -06 22 36.04           SNIa 4 0
49 DES15X1mav SN* 02 20 12.887 -04 56 49.92           SNIa 4 0
50 DES14X1qn SN* 02 20 13.387 -05 21 40.06           SNIa 6 0
51 DES15X2lxv SN* 02 20 25.732 -05 46 21.16           SNIa 6 0
52 DES15X1mwg SN* 02 20 29.449 -05 31 45.45           SNIa 5 0
53 DES15X2mey SN* 02 20 30.752 -06 26 47.30           SNIa 6 0
54 DES15X2efk SN* 02 20 32.124 -06 37 26.47           SNIa 4 0
55 DES15X1mvs SN* 02 20 32.407 -04 39 09.02           SNIa 4 0
56 DES15X2dzo SN* 02 20 43.317 -06 57 04.00           SNIa 4 0
57 DES15X2ogh SN* 02 20 44.135 -06 01 38.53           SNIa 5 0
58 DES14X2gxr SN* 02 21 10.709 -06 27 47.25           SNIa 6 0
59 DES15X1nxy SN* 02 21 12.602 -04 39 00.79           SNIa 6 0
60 DES15X1ojh SN* 02 21 22.726 -04 40 04.72           SNIa 6 0
61 DES14X2aph SN* 02 21 43.857 -06 56 26.01           SNIa 6 0
62 DES15X2kvt SN* 02 21 46.248 -05 38 23.45           SNIa 8 0
63 DES15X2mzv SN* 02 21 59.042 -06 29 53.51           SNIa 8 0
64 DES15X2nkz SN* 02 22 13.206 -05 52 18.15           SNIa 7 0
65 DES15X2mpm SN* 02 22 25.394 -06 08 59.49           SNIa 8 0
66 DES14X3kbb SN* 02 22 37.108 -04 07 59.71           SNIa 6 0
67 DES14X2dl SN* 02 22 44.294 -06 03 48.85           SNIa 6 0
68 DES14X2eei SN* 02 22 53.768 -06 15 24.58           SNIa 6 0
69 DES15X2lxw SN* 02 23 00.707 -06 15 51.06           SNIa 9 0
70 DES15X2asp SN* 02 23 14.237 -06 16 05.14           SNIa 6 0
71 DES14X3amb SN* 02 23 17.038 -05 10 55.73           SNIa 7 0
72 DES15X2nkl SN* 02 23 19.331 -06 31 34.72           SNIa 8 0
73 DES15X3lya SN* 02 23 19.505 -04 04 04.26           SNIa 8 0
74 DES15X2dzq SN* 02 23 29.222 -06 55 18.98           SNIa 5 0
75 DES14X2raq SN* 02 23 36.756 -05 28 53.24           SNIa 7 0
76 DES14X3tdv SN* 02 23 42.326 -04 01 07.99           SNIa 5 0
77 DES13X2agef SN* 02 23 43.638 -05 57 40.38           SNIa 5 0
78 DES15X3mwb SN* 02 23 45.797 -05 03 12.19           SNIa 4 0
79 DES15X3lqs SN* 02 23 53.232 -04 27 33.60           SNIa 4 0
80 DES14X2ags SN* 02 24 00.578 -06 29 51.84           SNIa 6 0
81 DES14X2rao SN* 02 24 01.896 -06 48 38.20           SNIa 6 0
82 DES14X3jmx SN* 02 24 14.025 -05 09 52.47           SNIa 6 0
83 DES14X3aeb SN* 02 24 24.608 -04 40 29.76           SNIa 7 0
84 DES13X3woy SN* 02 24 28.714 -04 58 02.27           SNI 11 0
85 DES14X3ajv SN* 02 24 58.404 -04 15 03.07           SNIa 5 0
86 DES14X2bnz SN* 02 25 01.245 -06 16 42.82           SNIa 6 0
87 DES15X3kxu SN* 02 25 03.192 -05 32 30.47           SNIa 9 0
88 DES15X2lnb SN* 02 25 05.973 -05 51 10.91           SNIa 4 0
89 DES15X3dyu SN* 02 25 16.220 -04 39 35.31           SNIa 9 0
90 DES13X3syi SN* 02 25 22.899 -05 19 26.88           SNIa 8 0
91 DES15X2mei SN* 02 25 31.102 -05 52 44.36           SNIa 10 0
92 DES14X2mgg SN* 02 26 08.238 -06 45 35.97           SNIa 4 0
93 DES15X3itc SN* 02 26 25.591 -04 09 18.58           SNIa 9 0
94 DES14X3ftq SN* 02 26 39.293 -04 58 14.73           SNIa 7 0
95 DES15X3naa SN* 02 26 58.477 -04 58 03.87           SNIa 8 0
96 DES15X3kqv SN* 02 27 05.053 -05 00 11.13           SNIa 9 0
97 DES15X3auw SN* 02 27 15.166 -05 07 08.70           SNIa 8 0
98 DES14X3kvo SN* 02 27 24.154 -03 44 57.68           SNIa 6 0
99 DES15X3lab SN* 02 28 09.733 -04 02 49.40           SNIa 4 0
100 DES15X3atu SN* 02 28 31.959 -04 02 28.68           SNIa 6 0
101 DES15X3flq SN* 02 28 32.939 -04 22 21.99           SNIa 8 0
102 DES14S2dbi SN* 02 41 04.303 -00 57 18.93           SNIa 6 0
103 DES14S2pon SN* 02 41 12.379 -00 45 51.78           SNIa 6 0
104 DES15S2myz SN* 02 41 48.321 -00 22 06.84           SNIa 5 0
105 DES15S2mwz SN* 02 42 33.437 -01 15 16.77           SNIa 6 0
106 DES15S2dyb SN* 02 42 55.932 -01 23 34.52           SNIa 8 0
107 DES15S2ocv SN* 02 42 58.435 -00 16 02.66           SNIa 6 0
108 DES15S2eak SN* 02 43 21.993 -01 57 28.06           SNIa 6 0
109 DES14S2pkz SN* 02 43 27.378 -01 36 13.12           SNIa 8 0
110 DES15S2lmu SN* 02 43 27.620 -01 16 38.49           SNIa 4 0
111 DES15S2it SN* 02 43 34.633 -01 31 06.14           SNIa 6 0
112 DES15S2dye SN* 02 43 35.226 -01 07 47.73           SNIa 10 0
113 DES14S2bnq SN* 02 43 40.050 -00 45 43.01           SNIa 7 0
114 DES15S2mpg SN* 02 43 52.740 -01 13 45.39           SNIa 9 0
115 DES14S2qb SN* 02 43 59.719 -00 54 22.05           SNIa 7 0
116 DES15S2max SN* 02 44 02.006 -00 28 02.62           SNIa 6 0
117 DES14S2boa SN* 02 44 19.155 -00 27 01.31           SNIa 5 0
118 DES15S2lam SN* 02 44 27.909 -00 38 42.06           SNIa 5 0
119 DES14S2qf SN* 02 44 34.437 -01 17 06.44           SNIa 6 0
120 DES15S2mxe SN* 02 45 09.995 -01 33 53.67           SNIa 6 0
121 DES15S2lot SN* 02 45 32.153 -00 03 41.81           SNIa 6 0
122 DES15S2kqw SN* 02 45 58.925 -01 05 17.26           SNIa 6 0
123 DES13S2acrg SN* 02 46 26.375 -01 34 47.77           SNIa 5 0
124 DES15S2mpl SN* 02 46 53.901 -01 09 52.41           SNIa 8 0
125 DES15S2og SN* 02 46 54.044 -01 00 35.79           SNIa 10 0
126 DES15S2mau SN* 02 46 56.161 -00 41 26.21           SNIa 6 0
127 DES15S2eco SN* 02 46 57.316 -00 14 07.98           SNIa 6 0
128 DES15S1lyi SN* 02 48 51.278 -00 09 07.92           SNIa 9 0
129 DES14S1rah SN* 02 48 57.456 -00 24 30.23           SNIa 6 0
130 DES14S1kdq SN* 02 49 04.833 +00 34 56.44           SNIa 7 0
131 DES14S1rag SN* 02 50 15.025 -00 44 41.91           SNIa 6 0
132 DES14S1lfk SN* 02 50 26.634 -00 21 42.18           SNIa 6 0
133 DES14S1aoz SN* 02 50 27.577 -00 52 18.35           SNIa 5 0
134 DES13S1sty SN* 02 50 51.557 -00 31 30.40           SNIa 5 0
135 DES14S1aot SN* 02 51 12.848 -00 40 08.74           SNIa 6 0
136 DES15S1mjm SN* 02 51 22.810 -00 38 54.48           SNIa 7 0
137 DES14S1qid SN* 02 51 56.616 -00 31 23.06           SNIa 6 0
138 DES13S1qv SN* 02 52 46.496 -00 07 38.93           SNIa 7 0
139 DES13S1acsq SN* 02 52 55.085 -00 32 30.56           SNIa 5 0
140 DES15S1ebd SN* 02 53 15.926 -00 01 48.21           SNIa 8 0
141 DES15S1mvv SN* 02 53 37.061 +00 30 36.66           SNIa 6 0
142 DES15S1oeh SN* 02 54 00.610 -00 22 12.97           SNIa 5 0
143 DES15C3lyd SN* 03 27 06.325 -28 37 40.25           SNIa 5 0
144 DES14C3cwp SN* 03 27 10.875 -27 49 19.57           SNIa 7 0
145 DES15C3odz SN* 03 27 54.955 -28 33 51.96           SNIa 8 0
146 DES14C3foo SN* 03 28 09.094 -27 31 58.47           SNIa 7 0
147 DES15C3axd SN* 03 28 11.438 -27 51 46.27           SNIa 9 0
148 DES14C3tvk SN* 03 28 16.641 -28 03 49.22           SNIa 6 0
149 DES14C3gqv SN* 03 28 38.854 -27 08 31.62           SNIa 7 0
150 DES14C3hud SN* 03 28 39.135 -28 06 29.84           SNIa 6 0
151 DES14C3uje SN* 03 29 08.184 -28 57 05.61           SNIa 5 0
152 DES15C3kuw SN* 03 29 12.844 -28 54 41.88           SNIa 4 0
153 DES15C3mga SN* 03 29 14.267 -28 23 07.34           SNIa 4 0
154 DES15C3lvt SN* 03 29 24.595 -28 59 48.13           SNIa 8 0
155 DES15C3tz SN* 03 29 35.738 -28 38 51.31           SNIa 4 0
156 DES15C3lzl SN* 03 29 38.124 -28 12 58.94           SNIa 4 0
157 DES14C3mpr SN* 03 30 09.221 -27 19 02.72           SNIa 4 0
158 DES15C3omh SN* 03 30 46.803 -28 38 57.59           SNIa 7 0
159 DES15C3efn SN* 03 30 59.185 -28 10 04.71           SNIa 10 0
160 DES14C3rap SN* 03 31 11.396 -27 57 33.51           SNIa 6 0
161 DES15C3nym SN* 03 31 23.155 -28 32 39.21           SNIa 7 0
162 DES15C3mgv SN* 03 31 26.377 -28 21 11.15           SNIa 7 0
163 DES15C3axo SN* 03 32 10.285 -28 17 36.68           SNIa 3 0
164 DES15C3kue SN* 03 32 18.187 -28 54 23.28           SNIa 4 0
165 DES15C1olp SN* 03 33 02.202 -26 51 14.72           SNIa 6 0
166 DES15C3edd SN* 03 33 10.671 -27 57 27.96           SNIa 11 0
167 DES14C3mpt SN* 03 33 12.204 -28 01 29.54           SNIa 7 0
168 DES14C2rsj SN* 03 33 25.885 -29 28 18.81           SNIa 6 0
169 DES13C3abhe SN* 03 33 28.790 -28 26 33.75           SNIa 5 0
170 DES14C2gwx SN* 03 33 35.133 -29 11 26.24           SNIa 7 0
171 DES14C2kdr SN* 03 33 39.747 -28 56 26.69           SNIa 4 0
172 DES14C2fkd SN* 03 33 45.333 -29 40 36.27           SNIa 6 0
173 DES13C3abht SN* 03 34 00.646 -28 39 36.73           SNIa 5 0
174 DES14C1qty SN* 03 34 06.236 -27 37 55.62           SNIa 7 0
175 DES15C2nfs SN* 03 34 29.045 -29 10 08.54           SNIa 6 0
176 DES15C2dym SN* 03 34 31.327 -29 38 56.21           SNIa 5 0
177 DES13C3dgs SN* 03 34 35.092 -28 07 37.20           SNIa 6 0
178 DES15C1eat SN* 03 34 42.411 -26 29 13.14           SNIa 9 0
179 DES14C1bdv SN* 03 34 52.660 -27 49 57.97           SNIa 5 0
180 DES14C2ikn SN* 03 35 23.570 -29 35 30.43           SNIa 7 0
181 DES14C2vnf SN* 03 35 34.848 -29 02 52.76           SNIa 6 0
182 DES13C1ryv SN* 03 35 35.894 -26 58 09.38           SNIa 6 0
183 DES14C2fkf SN* 03 35 38.762 -28 19 09.47           SNIa 6 0
184 DES15C2kyh SN* 03 35 52.905 -28 41 32.52           SNIa 7 0
185 DES15C2njv SN* 03 36 29.871 -28 34 11.46           SNIa 8 0
186 DES14C1es SN* 03 36 41.403 -27 50 24.00           SNIa 6 0
187 DES15C1aww SN* 03 37 12.402 -27 21 19.56           SNIa 5 0
188 DES15C2oxn SN* 03 37 22.440 -28 49 35.14           SNIa 5 0
189 DES13C1hwx SN* 03 37 40.462 -27 31 38.63           SNIa 5 0
190 DES15C2odp SN* 03 38 14.200 -28 42 35.53           SNIa 7 0
191 DES13C1juw SN* 03 38 31.035 -27 02 33.97           SNIa 7 0
192 DES14C2mng SN* 03 38 34.769 -29 11 39.94           SNIa 5 0
193 DES14C1eu SN* 03 38 53.580 -27 54 18.26           SNIa 5 0
194 DES15C1nhv SN* 03 39 00.937 -27 50 35.35           SNIa 8 0
195 DES14C1ikl SN* 03 39 28.822 -27 38 38.21           SNIa 6 0
196 DES15C1ebn SN* 03 39 30.547 -27 14 20.35           SNIa 9 0
197 DES15C1mvx SN* 03 39 32.061 -26 43 27.60           SNIa 7 0
198 DES14C2kct SN* 03 39 35.466 -28 54 38.74           SNIa 7 0
199 DES14C1jkw SN* 03 39 37.629 -27 48 46.89           SNIa 7 0
200 DES15C1atm SN* 03 39 47.214 -26 43 49.40           SNIa 10 0
201 DES15C1ebo SN* 03 40 09.839 -27 33 33.07           SNIa 5 0
202 DES15C1mvy SN* 03 40 11.301 -26 58 32.25           SNIa 8 0
203 DES15C1mhp SN* 03 40 21.384 -26 30 45.61           SNIa 4 0
204 DES14C1fkl SN* 03 40 24.632 -26 43 19.49           SNIa 7 0
205 DES15C2dyj SN* 03 40 40.638 -28 42 42.67           SNIa 9 0
206 DES15C2oxo SN* 03 41 21.767 -29 08 57.62           SNIa 8 0

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