Photometry of the Type Ia Supernovae 1999cc, 1999cl, and 2000cf

Details Photometry of the Type Ia Supernovae 1999cc, 1999cl, and 2000cf Photometry of the Type Ia Supernovae 1999cc, 1999cl, and 2000cf

2005-11-06

arxiv.org/abs/astro-ph/0511162v1

Astron.J.131:1639-1647,2006

Astronomy and Astrophysics

Astrophysics

28 pages, 5 figures, accepted for publication in the Astronomical Journal, 5 November 2005

Scientific paper

10.1086/499523

We present previously unpublished BVRI photometry of the Type Ia supernovae 1999cc and 2000cf along with revised photometry of SN 1999cl. We confirm that SN 1999cl is reddened by highly non-standard dust, with R_V = 1.55 +/- 0.08. Excepting two quasar-lensing galaxies whose low values of R_V are controversial, this is the only known object with a published value of R_V less than 2.0. SNe 1999cl and 2000cf have near-infrared absolute magnitudes at maximum in good agreement with other Type Ia SNe of mid-range decline rates.

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