Snapshot Distances to Type Ia Supernovae: All in “One” Night's Work | Zendy

Adam G. Riess | Zendy; P. Nugent | Zendy; A. V. Filippenko | Zendy; R. Kirshner | Zendy; S. Perlmutter | Zendy

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Snapshot Distances to Type Ia Supernovae: All in “One” Night's Work

Author(s) -

Adam G. Riess,

P. Nugent,

A. V. Filippenko,

R. Kirshner,

S. Perlmutter

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/306106

Subject(s) - supernova , light curve , physics , astrophysics , hubble space telescope , monte carlo method , luminosity , diagram , galaxy , statistics , mathematics

We present an empirical method which measures the distance to a Type Iasupernova (SN Ia) with a precision of ~ 10% from a single night's data. Thismethod measures the supernova's age and luminosity/light-curve parameter from aspectrum, and the extinction and distance from an apparent magnitude and color.We are able to verify the precision of this method from error propagationcalculations, Monte Carlo simulations of well-sampled SNe Ia, and the Hubblediagram of scarcely observed supernovae. With the reduction in telescope timeneeded, this method is three to four times more efficient for measuringcosmological parameters than conventional light-curve based distance estimates.Comment: 32 pages, 5 figures, Accepted Astrophysical Journa

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