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The Infrared Light Curve of SN 2011fe in M101 and the Distance to M101

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arxiv 1205.3828 v1 pith:GRH44OOX submitted 2012-05-16 astro-ph.CO

The Infrared Light Curve of SN 2011fe in M101 and the Distance to M101

T. Matheson , R. R. Joyce , L. E. Allen , A. Saha , D. R. Silva , W. M. Wood-Vasey , J. J. Adams , R. E. Anderson
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T. L. Beck M. C. Bentz M. A. Bershady W. S. Binkert K. Butler M. A. Camarata A. Eigenbrot M. Everett J. S. Gallagher P. M. Garnavich E. Glikman D. Harbeck J. R. Hargis H. Herbst E. P. Horch S. B. Howell S. Jha J. F. Kaczmarek P. Knezek E. Manne-Nicholas R. D. Mathieu M. Meixner K. Milliman J. Power J. Rajagopal K. Reetz K. L. Rhode A. Schechtman-Rook M. E. Schwamb H. Schweiker B. Simmons J. D. Simon D. Summers M. D. Young A. Weyant E. M. Wilcots G. Will D. Williams
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keywords m101lightb-bandcurvedatadistanceinfraredmaximum
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We present near infra-red light curves of supernova (SN) 2011fe in M101, including 34 epochs in H band starting fourteen days before maximum brightness in the B-band. The light curve data were obtained with the WIYN High-Resolution Infrared Camera (WHIRC). When the data are calibrated using templates of other Type Ia SNe, we derive an apparent H-band magnitude at the epoch of B-band maximum of 10.85 \pm 0.04. This implies a distance modulus for M101 that ranges from 28.86 to 29.17 mag, depending on which absolute calibration for Type Ia SNe is used.

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Cited by 2 Pith papers

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    astro-ph.CO 2026-07 conditional novelty 5.0

    Up to about a quarter of Type Ia supernovae may have an early light-curve bump, but the candidate list depends strongly on the detection method and neither leading explosion model is clearly preferred.

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    In SN 2021fxy, the high-velocity Si II λ6355 absorption declines as roughly t^−0.1, much shallower than the t^−0.22 expected from standard outer ejecta, pointing to detached density structures.