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Detection of an outburst one year prior to the explosion of SN 2011ht
M. Fraser, M. Magee, R. Kotak +18
Using imaging from the Pan-STARRS1 survey, we identify a precursor outburst at epochs 287 and 170 days prior to the reported explosion of the purported Type IIn supernova (SN) 2011…
The Extremely Red, Young L Dwarf PSO J318-22: A Free-Floating Planetary-Mass Analog to Directly Imaged Young Gas-Giant Planets
Michael C. Liu, Eugene A. Magnier, Niall R. Deacon +16
We have used Pan-STARRS1 to discover an extremely red late-L dwarf, which has (J-K)_MKO = 2.84 and (J-K)_2MASS = 2.78, making it the reddest known field dwarf and second only to 2M…
The Pan-STARRS1 Small Area Survey 2
N. Metcalfe, D. J. Farrow, S. Cole +15
The Pan-STARRS1 survey is acquiring multi-epoch imaging in 5 bands (grizy) over the entire sky north of declination -30deg (the survey). In July 2011 a test area of about 70 s…
Pan-STARRS1: Galaxy Clustering in the Small Area Survey 2
Daniel J. Farrow, Shaun Cole, N. Metcalfe +11
The Pan-STARRS1 survey is currently obtaining imaging in 5 bands (grizy) for the steradian survey, one of the largest optical surveys ever conducted. The finished survey will…
The superluminous supernova PS1-11ap: bridging the gap between low and high redshift
M. McCrum, S. J. Smartt, R. Kotak +37
We present optical photometric and spectroscopic coverage of the superluminous supernova (SLSN) PS1-11ap, discovered with the Pan-STARRS1 Medium Deep Survey at z = 0.524. This intr…
Cosmological Constraints from Measurements of Type Ia Supernovae discovered during the first 1.5 years of the Pan-STARRS1 Survey
A. Rest, D. Scolnic, R. J. Foley +46
We present griz light curves of 146 spectroscopically confirmed Type Ia Supernovae () discovered during the first 1.5 years of the Pan-STARRS1 Medium Deep Survey. T…