论文信息 - UBVRI Light Curves of 44 Type Ia Supernovae - 字舞流文

UBVRI Light Curves of 44 Type Ia Supernovae

We present UBVRI photometry of 44 Type Ia supernovae (SNe Ia) observed from 1997 to 2001 as part of a continuing monitoring campaign at the Fred Lawrence Whipple Observatory of the Harvard-Smithsonian Center for Astrophysics. The data set comprises 2190 observations and is the largest homogeneously observed and reduced sample of SNe Ia to date, nearly doubling the number of well-observed, nearby SNe Ia with published multicolor CCD light curves. The large sample of U-band photometry is a unique addition, with important connections to SNe Ia observed at high redshift. The decline rate of SN Ia U-band light curves correlates well with the decline rate in other bands, as does the U - B color at maximum light. However, the U-band peak magnitudes show an increased dispersion relative to other bands even after accounting for extinction and decline rate, amounting to an additional ∼40% intrinsic scatter compared to the B band.

Warren R. Brown | Michael R. Garcia | Joseph M. Zajac | D. Fabricant | B. McLeod | A. Szentgyorgyi | G. Graves | S. Jha | D. Moraru | R. Kirshner | P. Groot | C. Kochanek | T. Matheson | L. Macri | N. Caldwell | J. Alves | T. Spahr | N. Grogin | M. Holman | P. Garnavich | C. Lada | P. Berlind | M. Calkins | J. Huchra | E. Tollestrup | K. Stanek | E. Falco | R. Schild | P. Barmby | R. Jayawardhana | M. Hicken | Z. Balog | A. Bragg | K. Concannon | J. Mader | A. Mahdavi | K. Rines | A. Soderberg | L. Hartmann | J. Muzerolle | M. Pahre | R. Stefanik | J. Luu | C. Briceño | August Muench | S. Kannappan | S. Willner | F. Fiore | J. Buckley | B. McNamara | J. Stauffer | B. Patten | A. Vikhlinin | E. Barton | B. Marsden | M. Marengo | J. Raymond | H. Arce | P. Väisänen | A. Mossman | S. Megeath | K. Luhman | P. Zhao | S. Wolk | Zhong Wang | C. Hergenrother | J. Kleyna | P. Challis | Dong-Woo Kim | K. Eriksen | T. Groner | W. Peters | G. J. Sobczak | R. Donnelly | O. Naranjo | D. Jerius | B. J. Carter | M. Gómez | Karl E. Haisch, Jr. | D. Koranyi | M. Krockenberger | J. Muñoz | K. Nelson-Patel | J. Peters | J. A. Muñoz | L. Hartmann

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