2024ApJ...975...86V

Query : 2024ApJ...975...86V

2024ApJ...975...86V - Astrophys. J., 975, 86 (2024/November-1)

The Dark Energy Survey Supernova Program: Cosmological Analysis and Systematic Uncertainties.

VINCENZI M., BROUT D., ARMSTRONG P., POPOVIC B., TAYLOR G., ACEVEDO M., CAMILLERI R., CHEN R., DAVIS T.M., LEE J., LIDMAN C., HINTON S.R., KELSEY L., KESSLER R., MOLLER A., QU H., SAKO M., SANCHEZ B., SCOLNIC D., SMITH M., SULLIVAN M., WISEMAN P., ASOREY J., BASSETT B.A., CAROLLO D., CARR A., FOLEY R.J., FROHMAIER C., GALBANY L., GLAZEBROOK K., GRAUR O., KOVACS E., KUEHN K., MALIK U., NICHOL R.C., ROSE B., TUCKER B.E., TOY M., TUCKER D.L., YUAN F., ABBOTT T.M.C., AGUENA M., ALVES O., ALLAM S.S., ANDRADE-OLIVEIRA F., ANNIS J., BACON D., BECHTOL K., BERNSTEIN G.M., BROOKS D., BURKE D.L., CARNERO ROSELL A., CARRETERO J., CASTANDER F.J., CONSELICE C., DA COSTA L.N., PEREIRA M.E.S., DESAI S., DIEHL H.T., DOEL P., FERRERO I., FLAUGHER B., FRIEDEL D., FRIEMAN J., GARCIA-BELLIDO J., GATTI M., GIANNINI G., GRUEN D., GRUENDL R.A., HOLLOWOOD D.L., HONSCHEID K., HUTERER D., JAMES D.J., KUROPATKIN N., LAHAV O., LEE S., LIN H., MARSHALL J.L., MENA-FERNANDEZ J., MENANTEAU F., MIQUEL R., PALMESE A., PIERES A., PLAZAS MALAGON A.A., PORREDON A., ROMER A.K., ROODMAN A., SANCHEZ E., SANCHEZ CID D., SCHUBNELL M., SEVILLA-NOARBE I., SUCHYTA E., SWANSON M.E.C., TARLE G., TO C., WALKER A.R., WEAVERDYCK N., YAMAMOTO M. (The DES Collaboration)

Abstract (from CDS):

We present the full Hubble diagram of photometrically classified Type Ia supernovae (SNe Ia) from the Dark Energy Survey supernova program (DES-SN). DES-SN discovered more than 20,000 SN candidates and obtained spectroscopic redshifts of 7000 host galaxies. Based on the light-curve quality, we select 1635 photometrically identified SNe Ia with spectroscopic redshift 0.10 < z < 1.13, which is the largest sample of supernovae from any single survey and increases the number of known z > 0.5 supernovae by a factor of 5. In a companion paper, we present cosmological results of the DES-SN sample combined with 194 spectroscopically classified SNe Ia at low redshift as an anchor for cosmological fits. Here we present extensive modeling of this combined sample and validate the entire analysis pipeline used to derive distances. We show that the statistical and systematic uncertainties on cosmological parameters are ${\sigma }_{{{\rm{\Omega }}}_{M},\mathrm{stat}+\mathrm{sys}}^{{\rm{\Lambda }}\mathrm{CDM}}=$ 0.017 in a flat ΛCDM model, and $({\sigma }_{{{\rm{\Omega }}}_{M}},{\sigma }_{w}{)}_{\mathrm{stat}+\mathrm{sys}}^{w\mathrm{CDM}}$ = (0.082, 0.152) in a flat wCDM model. Combining the DES SN data with the highly complementary cosmic microwave background measurements by Planck Collaboration reduces by a factor of 4 uncertainties on cosmological parameters. In all cases, statistical uncertainties dominate over systematics. We show that uncertainties due to photometric classification make up less than 10% of the total systematic uncertainty budget. This result sets the stage for the next generation of SN cosmology surveys such as the Vera C. Rubin Observatory's Legacy Survey of Space and Time.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Type Ia supernovae - Cosmological constant experiments - Dark energy - Cosmological parameters

Simbad objects: 1

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Number of rows : 1
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 UCAC3 125-8171 * 03 32 32.8728703992 -27 51 48.339287532 18.74 18.0893 16.64   17.0383 ~ 40 0

Query : 2024ApJ...975...86V

Basic data :
UCAC3 125-8171 -- Star
Other object types: otypes_help 		* (2001A&A,UCAC3,...), NIR (DENIS,EIS,...), G (GOODS,[SWM2014]), UV ([DDG2006]), Opt (PSO)
ICRS coord. (ep=J2000) : 		03 32 32.8728703992 -27 51 48.339287532 (Optical) [ 0.0189 0.0330 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		03 30 27.3670028639 -28 01 53.344046691 [ 0.0189 0.0330 90 ]
Gal coord. (ep=J2000) : 		223.6714114041303 -54.4278320744689 [ 0.0189 0.0330 90 ]
Proper motions mas/yr : 		7.320 -1.331 [0.028 0.043 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.4271 [0.0432] A 2020yCat.1350....0G
Fluxes (10) :
U (AB) 18.74 [0.00] D 2006AJ....132.2014D
B (AB) 18.0893 [0.0043] B 2004ApJ...600L..93G
V 16.64 [~] D 2010AJ....139.1515B
G 16.365602 [0.002773] C 2020yCat.1350....0G
I (AB) 17.0383 [0.0041] B 2004ApJ...600L..93G
J 15.405 [0.059] C 2003yCat.2246....0C
H 15.097 [0.089] C 2003yCat.2246....0C
K 14.824 [0.135] D 2003yCat.2246....0C
r (AB) 17.7155 [0.0014] B 2004ApJ...600L..93G
z (AB) 16.7088 [0.0583] C 2004ApJ...600L..93G
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Identifiers (16) :
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UCAC3 125-8171 EIS-DEEP CDFS-4 Ks 1 944 TIC 144599609 [GGH2002] EIS J033232.88-275148.3
DENIS J033232.8-275148 GOODS J033232.87-275148.2 USNO-B1.0 0621-00046043 [MBR2003] CDFS-H 2913
EIS-DEEP CDFS-4 H 1 1001 2MASS J03323287-2751483 [B2010] C26202 [SWM2014] GOODS-S 9080
EIS-DEEP CDFS-4 J 1 2644 PSO J053.1370-27.8634 [DDG2006] 053.1369529-27.8633786 Gaia DR3 5057499161282786432

References (40 between 1850 and 2026) (Total 40)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : UCAC3 125-8171

Link by name to the catalogue in VizieR :

UCAC3 125-8171 DENIS J033232.8-275148 2MASS J03323287-2751483 USNO-B1.0 0621-00046043 Gaia DR3 5057499161282786432

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