Optical and infrared photometry of the nearby Type Ia supernovae 1999ee, 2000bh, 2000ca, and 2001baReportar como inadecuado




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Resumen

We present near-infrared photometry of the Type Ia supernova SN 1999ee; also, optical and infrared photometryof the Type Ia SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh, we present the first-everSN photometry at 1.035 m the Y band. We present K-corrections that transform the infrared photometry in theobserver’s frame to the supernova rest frame. Using our infrared K-corrections and stretch factors derived fromoptical photometry, we construct JHK templates that can be used to determine the apparent magnitudes atmaximum if one has some data in the window 12 to +10 days with respect to TBmax. Following up previouswork on the uniformity of V minus IR loci of Type Ia supernovae of midrange decline rates, we present unreddenedloci for slow decliners.We also discuss evidence for a continuous change of color at a given epoch as a function ofdecline rateNota general

Artículo de publicación ISI.



Autor: Krisciunas, Kevin; - Phillips, Mark M.; - Suntzeff, Nicholas B.; - Persson, S. E.; - Hamuy Wackenhut, Mario; - Antezana, Roberto;

Fuente: http://repositorio.uchile.cl/



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