SINS: The Supernova INtensive Study-- Cycle 11

Details SINS: The Supernova INtensive Study-- Cycle 11 SINS: The Supernova INtensive Study-- Cycle 11

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9428k&link_type=abstract

HST Proposal ID #9428

Astronomy and Astrophysics

Astrophysics

Hst Proposal Id #9428

Scientific paper

Supernovae create the chemical history of the Universe, energize the interstellar gas, form the spine of the extragalactic distance scale, and provide the only direct evidence for an accelerating universe. SINS is a program to study supernovae, near and far. HST is the perfect match in field and scale for spatially-resolved observations of SN 1987A. There, a violent encounter between the fast-moving debris and the stationary inner ring is well underway. Monitoring this interaction will help solve the riddles of stellar evolution posed by the enigmatic three-ring system of SN 1987A. Our UV observations of Ly-Alpha emission reveal a remarkable reverse shock that provides a unique laboratory for studying fast shocks and a powerful tool for dissecting the structure of the vanished star. For more distant events, we propose Target-of-Opportunity observations. In addition to one bright new supernova in Cycle 11 discovered by any search at any time, we propose to discover two supernovae for study in the ultraviolet at times specificed in advance, using the Lick Observatory Supernova Search. SINS will study the historic SN 1987A, explore UV emission from supernovae, and press late-time observations of supernovae into uncharted territory of infrared catastrophes, light echos, and stellar remnants.

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