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Two New Calcium-Rich Gap Transients in Group and Cluster Environments
R. Lunnan, M. M. Kasliwal, Y. Cao +20
We present the Palomar Transient Factory discoveries and the photometric and spectroscopic observations of PTF11kmb and PTF12bho. We show that both transients have properties consi…
Far-Ultraviolet to Near-Infrared Spectroscopy of A Nearby Hydrogen Poor Superluminous Supernova Gaia16apd
Lin Yan, R. Quimby, A. Gal-Yam +8
We report the first maximum-light far-Ultraviolet to near-infrared spectra (1000A - 1.62um, rest) of a H-poor superluminous supernova, Gaia16apd. At z=0.1018, it is one of the clos…
iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova
A. Goobar, R. Amanullah, S. R. Kulkarni +31
We report the discovery of a multiply-imaged gravitationally lensed Type Ia supernova, iPTF16geu (SN 2016geu), at redshift . This phenomenon could be identified because th…
X-rays from the location of the Bactrian Transient ASASSN-15lh
R. Margutti, B. D. Metzger, R. Chornock +13
We present the detection of persistent soft X-ray radiation with L_x ~ 10^41-10^42 erg/s at the location of the extremely luminous, double-humped transient ASASSN-15lh as revealed…
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…
The Afterglow and Early-Type Host Galaxy of the Short GRB 150101B at z=0.1343
Wen-fai Fong, Raffaella Margutti, Ryan Chornock +14
We present the discovery of the X-ray and optical afterglows of the short-duration GRB 150101B, pinpointing the event to an early-type host galaxy at z=0.1343 +/- 0.0030. This make…