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The Rise time of Nearby Type Ia Supernovae

Riess, Adam G.; Filippenko, Alexei V.; Li, Weidong; Treffers, Richard R.; Schmidt, Brian P.; Qiu, Yulei; Hu, Jingyao; Armstrong, Mark; Faranda, Chuck; Thouvenot, Eric; Buil, Christian


We present calibrated photometric measurements of the earliest detections of nearby type Ia supernovae (SNe Ia). The set of ~30 new, unfiltered CCD observations delineate the early rise behavior of SNe Ia > 18 to 10 days before maximum. Using simple empirical models, we demonstrate the strong correlation between the risetime (i.e., the time between explosion and maximum), the post-rise light-curve shape, and the peak luminosity. Using a variety of light-curve shape methods, we find the...[Show more]

CollectionsANU Research Publications
Date published: 1999-12
Type: Journal article
Source: Astronomical Journal
DOI: 10.1086/301143
Access Rights: Open Access


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