J/ApJ/740/92 SN.Ia host galaxies properties (Gupta+, 2011)
Improved constraints on type Ia supernova host galaxy properties using
multi-wavelength photometry and their correlations with supernova properties.
Gupta R.R., D'Andrea C.B., Sako M., Conroy C., Smith M., Bassett B.,
Frieman J.A., Garnavich P.M., Jha S.W., Kessler R., Lampeitl H.,
Marriner J., Nichol R.C., Schneider D.P.
<Astrophys. J., 740, 92 (2011)>
=2011ApJ...740...92G 2011ApJ...740...92G
ADC_Keywords: Supernovae ; Stars, ages ; Stars, distances ; Redshifts ;
Galaxies, optical
Keywords: cosmology: observations - galaxies: photometry - supernovae: general
Abstract:
We improve estimates of the stellar mass and mass-weighted average age
of Type Ia supernova (SN Ia) host galaxies by combining UV and near-IR
photometry with optical photometry in our analysis. Using 206 SNe Ia
drawn from the full three-year Sloan Digital Sky Survey (SDSS-II)
Supernova Survey and multi-wavelength host-galaxy photometry from
SDSS, the Galaxy Evolution Explorer, and the United Kingdom Infrared
Telescope Infrared Deep Sky Survey, we present evidence of a
correlation (1.9σ confidence level) between the residuals of SNe
Ia about the best-fit Hubble relation and the mass-weighted average
age of their host galaxies. The trend is such that older galaxies host
SNe Ia that are brighter than average after standard light-curve
corrections are made. We also confirm, at the 3.0σ level, the
trend seen by previous studies that more massive galaxies often host
brighter SNe Ia after light-curve correction.
Description:
Our supernova sample consists of the spectroscopically confirmed SNe
Ia discovered in the full three-year sample of the Sloan Digital Sky
Survey (SDSS-II) Supernova Survey (Frieman et al. 2008AJ....135..338F 2008AJ....135..338F).
These SNe lie in the redshift range 0.01<z<0.42 with a median redshift
of z∼0.2 and are located in Stripe 82, a 300deg2 equatorial strip of
sky scanned repeatedly by SDSS-II for three months a year from 2005 to
2007 using a CCD camera on the SDSS 2.5m telescope.
In addition to optical photometry, we obtain host photometry in the
ultraviolet and near-infrared from the Galaxy Evolution Explorer
(GALEX) GR6 and the UKIRT (United Kingdom Infrared Telescope) Infrared
Deep Sky Survey (UKIDSS) Data Release 5, respectively.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table2.dat 135 206 Properties of SN Ia sample and host galaxies
--------------------------------------------------------------------------------
See also:
B/sn : Asiago Supernova Catalogue (Barbon et al., 1999-)
II/314 : UKIDSS-DR8 LAS, GCS and DXS Surveys (Lawrence+ 2012)
II/310 : UKIDSS-DR7 Large Area Survey (Lawrence+ 2011)
II/312 : GALEX-DR5 (GR5) sources from AIS and MIS (Bianchi+ 2011)
II/306 : The SDSS Photometric Catalog, Release 8 (Adelman-McCarthy+, 2011)
J/A+A/544/A81 : SNe and their hosts in the SDSS DR8 (Hakobyan+, 2012)
J/A+A/526/A28 : SDSS-II SNe NTT and NOT spectroscopy (Oestman+, 2011)
J/ApJ/738/162 : SN Ia candidates from the SDSS-II SN Survey (Sako+, 2011)
J/ApJS/192/1 : Light-curve parameters from the SNLS (Conley+, 2011)
J/ApJ/716/712 : HST light curves of six SNe and Union2 (Amanullah+, 2010)
J/ApJ/713/1026 : SN Ia rate at redshift ≲0.3 from SDSS-II (Dilday+, 2010)
J/ApJ/722/566 : Host galaxies of SNe Ia in SDSS-II (Lampeitl+, 2010)
J/AJ/139/519 : Carnegie supernova project. SNe Ia (Contreras+, 2010)
J/MNRAS/406/782 : Type Ia supernovae luminosities (Sullivan+, 2010)
J/ApJ/721/1608 : Absolute UV magnitudes of type Ia SNe (Brown+, 2010)
J/A+A/523/A7 : Light curves of type Ia supernovae in SNLS (Guy+, 2010)
J/ApJ/700/1097 : Light curve parameters of SN Ia (Hicken+, 2009)
J/ApJ/700/331 : Light curves of type Ia supernovae (CfA3) (Hicken+, 2009)
J/ApJS/185/32 : First-year SDSS-II SN results (Kessler+, 2009)
J/ApJ/707/1449 : Local hosts of SNe Ia (Neill+, 2009)
J/AJ/137/4517 : UVOT light curves of supernovae (Brown+, 2009)
J/AJ/135/1766 : Sloan Digital Sky Survey-II supernova survey (Zheng+, 2008)
J/AJ/135/348 : SDSS-II SNe survey: search and follow-up (Sako+, 2008)
J/AJ/136/2306 : SDSS-II Supernova survey, 2005 (Holtzman+, 2008)
J/MNRAS/389/1871 : Type Ia supernovae candidates from SDSS (Horesh+, 2008)
J/ApJ/645/488 : SN type Ia luminosities (Wang+, 2006)
http://surveys.roe.ac.uk/wsa/ : UKIDSS releases from WFCAM Science archive
http://galex.stsci.edu/casjobs/ : GALEX GR6 from MAST
http://www.sdss.org/ : SDSS home page
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 I5 --- SNID [1166/20821] SDSS-II Supernova number
(<SDSS-II SN NNNNN> in Simbad)
7- 12 A6 --- SN IAU SN designation (YYYYaa)
14- 27 F14.10 deg RAdeg Host right ascension in decimal degrees (J2000)
29- 41 F13.10 deg DEdeg Host declination in decimal degrees (J2000)
43- 49 F7.5 --- z [0.04594/0.422] Redshift of the SN
51- 57 F7.5 --- e_z [4e-05/0.01] z uncertainty (error≥0.005 is a
redshift of the SN, ≤0.005 of the host galaxy)
59- 64 F6.2 [Msun] b_M ?=-99 Lower limit of galaxy stellar mass
66- 70 F5.2 [Msun] M [8.59/11.41] Host galaxy stellar mass
72- 76 F5.2 [Msun] B_M Upper limit of galaxy stellar mass
78- 82 F5.2 Gyr b_Age Lower limit of galaxy age
84- 88 F5.2 Gyr Age [1.7/11.34] Host galaxy mass-weighted age
90- 94 F5.2 Gyr B_Age Upper limit of galaxy age
96-101 F6.3 --- c [-0.321/0.478] SALT2 color parameter (1)
103-107 F5.3 --- e_c c uncertainty
109-114 F6.3 --- x1 [-3.03/3.87] SALT2 light curve stretch
parameter (1)
116-120 F5.3 --- e_x1 x1 uncertainty
122-128 F7.4 mag HR [-0.4487/0.7472] Hubble residual (HR) (2)
130-135 F6.4 mag e_HR HR uncertainty
--------------------------------------------------------------------------------
Note (1): The distance modulus for a particular SN Ia in the SALT2 model is
given by µSN=mB-M+αx1-βc, where x1 (stretch
parameter), c (color), and mB (apparent B-band magnitude at peak)
are obtained from SALT2 (Guy et al. 2007A&A...466...11G 2007A&A...466...11G) for each SN
by fitting its light curve; α and β are coefficients which
we assume to be constant; and M is the absolute magnitude.
Note (2): We define Hubble residuals as HR=µSN-µz, where µSN is
the distance modulus obtained from SN light curves via the program
SALT2mu (Marriner et al. 2011ApJ...740...72M 2011ApJ...740...72M) and µz is the
distance modulus calculated from the redshift of the SN and the
best-fit cosmology. See section 3.1.
--------------------------------------------------------------------------------
History:
From electronic version of the journal
(End) Emmanuelle Perret [CDS] 07-Feb-2013