SIMBAD references

2013ApJ...770..107C - Astrophys. J., 770, 107 (2013/June-3)

Host galaxies of type Ia supernovae from the Nearby Supernova Factory.

CHILDRESS M., ALDERING G., ANTILOGUS P., ARAGON C., BAILEY S., BALTAY C., BONGARD S., BUTON C., CANTO A., CELLIER-HOLZEM F., CHOTARD N., COPIN Y., FAKHOURI H.K., GANGLER E., GUY J., HSIAO E.Y., KERSCHHAGGL M., KIM A.G., KOWALSKI M., LOKEN S., NUGENT P., PAECH K., PAIN R., PECONTAL E., PEREIRA R., PERLMUTTER S., RABINOWITZ D., RIGAULT M., RUNGE K., SCALZO R., SMADJA G., TAO C., THOMAS R.C., WEAVER B.A. and WU C.

Abstract (from CDS):

We present photometric and spectroscopic observations of galaxies hosting Type Ia supernovae (SNe Ia) observed by the Nearby Supernova Factory. Combining Galaxy Evolution Explorer (GALEX) UV data with optical and near-infrared photometry, we employ stellar population synthesis techniques to measure SN Ia host galaxy stellar masses, star formation rates (SFRs), and reddening due to dust. We reinforce the key role of GALEX UV data in deriving accurate estimates of galaxy SFRs and dust extinction. Optical spectra of SN Ia host galaxies are fitted simultaneously for their stellar continua and emission lines fluxes, from which we derive high-precision redshifts, gas-phase metallicities, and Hα-based SFRs. With these data we show that SN Ia host galaxies present tight agreement with the fiducial galaxy mass-metallicity relation from Sloan Digital Sky Survey (SDSS) for stellar masses log(M*/M) > 8.5 where the relation is well defined. The star formation activity of SN Ia host galaxies is consistent with a sample of comparable SDSS field galaxies, though this comparison is limited by systematic uncertainties in SFR measurements. Our analysis indicates that SN Ia host galaxies are, on average, typical representatives of normal field galaxies.

Abstract Copyright:

Journal keyword(s): supernovae: general

VizieR on-line data: <Available at CDS (J/ApJ/770/107): table1.dat table4.dat table5.dat table6.dat>

Simbad objects: 461

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2019.11.14-06:14:30

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