ON THE LIRA LAW AND THE NATURE OF EXTINCTION TOWARD TYPE Ia SUPERNOVAE

We have studied the relation between the color evolution of Type Ia supernovae (SNe Ia) from maximum light to the Lira law regime and the presence of narrow absorption features. Based on a nearby sample of 89 SNe Ia, we have found that the rate of change of B - V colors at late phases (between 35 an...

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Veröffentlicht in:	The Astrophysical journal 2013-07, Vol.772 (1), p.1-11
Hauptverfasser:	ster, Francisco, Gonzalez-Gaitan, Santiago, FOLATELLI, GASTON, Morrell, Nidia
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Biological evolution COLOR MODEL Colors (materials) DENSITY Ejecta Equivalence GALAXIES Law LINE WIDTHS Phases SUPERNOVAE VISIBLE RADIATION
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