iPTF Survey for Cool Transients
- Adams, SM;
- Blagorodnova, N;
- Kasliwal, MM;
- Amanullah, R;
- Barlow, T;
- Bue, B;
- Bulla, M;
- Cao, Y;
- Cenko, SB;
- Cook, DO;
- Ferretti, R;
- Fox, OD;
- Fremling, C;
- Gezari, S;
- Goobar, A;
- Ho, AYQ;
- Hung, T;
- Karamehmetoglu, E;
- Kulkarni, SR;
- Kupfer, T;
- Laher, RR;
- Masci, FJ;
- Miller, AA;
- Neill, JD;
- Nugent, PE;
- Sollerman, J;
- Taddia, F;
- Walters, R
- et al.
Abstract
We performed a wide-area (2000 deg2) g and I band experiment as part of a two month extension to the Intermediate Palomar Transient Factory. We discovered 36 extragalactic transients including iPTF17lf, a highly reddened local SN Ia, iPTF17bkj, a new member of the rare class of transitional Ibn/IIn supernovae, and iPTF17be, a candidate luminous blue variable outburst. We do not detect any luminous red novae and place an upper limit on their rate. We show that adding a slow-cadence I band component to upcoming surveys such as the Zwicky Transient Facility will improve the photometric selection of cool and dusty transients.
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