Transients in the Local Universe : Systematically Searching the Gap between Novae and Supernovae

Details Transients in the Local Universe : Systematically Searching the Gap between Novae and Supernovae Transients in the Local Universe : Systematically Searching the Gap between Novae and Supernovae

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21430003k&link_type=abstract

American Astronomical Society, AAS Meeting #214, #300.03; Bulletin of the American Astronomical Society, Vol. 41, p.713

Astronomy and Astrophysics

Astronomy

Scientific paper

We present three systematic transient searches of the glaring luminosity gap between brightest novae (Mv = -10) and faintest supernovae (Mv = -16). The least explored regime in this gap, with several intriguing theoretical predictions, is short-duration transients (<10; days). Our searches are targeted and designed to be deeper and faster cadence (1-day) than traditional supernova searches and probe a larger volume compared to nova searches. We summarize discoveries from our search of the nearest, brightest galaxies (P60-FasTING, Fast Transients In Nearest Galaxies) and nearest galaxy clusters (CFHT-COVET, Coma and Virgo Exploration for Transients). We also highlight first results from the Palomar Transient Factory which targets local (<200 Mpc) luminosity concentrations. We suggest that building a complete inventory of transients in the local universe is timely. These transients are potential electromagnetic counterparts to next-generation instruments (e.g. Advanced LIGO, Auger, ICECUBE) which are also limited in sensitivity (due to intrumental or physical effects) to the local universe.

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