NOAO >   Observing Info >   Approved Programs >   2018A-0290

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Program Information for 2018A-0290


PI: Ryan Foley, UC Santa Cruz, foley@ucsc.edu
Address: Astronomy Department, 1156 High St, Santa Cruz, CA 95064 USA

CoI: Armin Rest, STScI
CoI: David Jones, UC Santa Cruz
CoI: Yen-Chen Pan, UC Santa Cruz
CoI: Georgios Dimitriadis, UC Santa Cruz
CoI: Charles Kilpatrick, UC Santa Cruz
CoI: David Coulter, UC Santa Cruz
CoI: Matt Siebert, UC Santa Cruz
CoI: Cesar Rojas-Bravo, UC Santa Cruz
CoI: Enia Xhakaj, UC Santa Cruz
CoI: Tyler Takaro, UC Santa Cruz

Title: Transients within Hours of Explosion

Abstract: Time-domain surveys are now consistently finding supernovae (SNe) and other transients within hours of explosion. These observations are a unique window into the explosion and progenitor system, probing the circumstellar environment before the SN overruns the material and while the gas is still recombining after being ``flash ionized'' by the SN shock breakout. Interaction with a potential companion star is also visible in the first hours. In 2018A, we are starting a new survey to detect young transients and K2 will have dedicated supernova (SN) campaigns. These surveys will detect 1-2 transients per month within a few hours of explosion. We have been awarded a rare "ultra-rapid" HST ToO to obtain UV spectra of 1 young SN. Here we request ToO observations to obtain classification spectra and follow-up spectra and photometry of these young explosions, with which we will probe the physics of the transients and their immediate environment.

Program Type: Standard/Extragalactic

Scheduled Nights:
Run 1 (2018A):  LCO-2m/FLOYDS -- 16hrs
Run 2 (2018A):  LCO-2m-TOO/FLOYDS -- 18hrs


National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360



NOAO >   Observing Info >   Approved Programs >   2018A-0290

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