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iPTF Discovery of the Rapid "Turn On" of a Luminous Quasar
S. Gezari, T. Hung, S. B. Cenko +13
We present a radio-quiet quasar at z=0.237 discovered "turning on" by the intermediate Palomar Transient Factory (iPTF). The transient, iPTF 16bco, was detected by iPTF in the nucl…
A novel method for transient detection in high-cadence optical surveys: Its application for a systematic search for novae in M31
Monika D. Soraisam, Marat Gilfanov, Thomas Kupfer +6
[abridged] In large-scale time-domain surveys, the processing of data, from procurement up to the detection of sources, is generally automated. One of the main challenges is contam…
Ultra Short Period Planets in K2 with companions: a double transiting system for EPIC 220674823
Elisabeth R. Adams, Brian Jackson, Michael Endl +10
Two transiting planets have been identified orbiting K2 target EPIC 220674823. One object is an ultra-short-period planet (USP) with a period of just 0.57 days (13.7 hours), while…
Top Argelander Stars: Pedagogy & Prize
S. R. Kulkarni
Stellar astronomy, fueled by massive capital investments, advances in numerical modeling and theory, is resurgent and arguably is on the verge of a magnificent renaissance. Powerfu…
Small near-Earth asteroids in the Palomar Transient Factory survey: A real-time streak-detection system
Adam Waszczak, Thomas A. Prince, Russ Laher +7
Near-Earth asteroids (NEAs) in the 1-100 meter size range are estimated to be 1,000 times more numerous than the 15,000 currently-catalogued NEAs, most of which are in…
On the early-time excess emission in hydrogen-poor superluminous supernovae
Paul M. Vreeswijk, Giorgos Leloudas, Avishay Gal-Yam +27
We present the light curves of the hydrogen-poor superluminous supernovae (SLSNe-I) PTF12dam and iPTF13dcc, discovered by the (intermediate) Palomar Transient Factory. Both show ex…