Local host galaxy properties of type Ia supernovae from the Nearby SuperNovae Factory

Details Local host galaxy properties of type Ia supernovae from the Nearby SuperNovae Factory Local host galaxy properties of type Ia supernovae from the Nearby SuperNovae Factory

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sf2a.conf..179r&link_type=abstract

SF2A-2011: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: G. Alecian, K. Belkacem,

Astronomy and Astrophysics

Astrophysics

Observational Cosmology, Type Ia Supernovae, Host Galaxy, Gas Properties

Scientific paper

Type Ia supernovae are key tools to study accelerating expansion of the Universe. However despite active research, physics of such objects remain uncertain. To better understand potential systematics we investigate on local host galaxy properties. In this preliminary analysis, we find gas derived quantities such as metallicity and star formation rate compatible to those present in literature. Finally we show a relationship between SALT2 color and x_1 with star formation activity.

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