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Discovery of DLT18ab/AT2018cuf with PROMPT and the DLT40 Survey

ATel #11770; D. Sand (Arizona), S. Valenti (UC Davis), S. Wyatt (Arizona), S. Yang (INAF-OAPd), D. E. Reichart, J. B. Haislip, V. Kouprianov (UNC)
on 23 Jun 2018; 16:32 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: David Sand (dave.j.sand@gmail.com)

Subjects: Optical, Supernovae

Referred to by ATel #: 11777

We report the discovery of DLT18ab/AT 2018cuf, which was first imaged by the PROMPT5 0.41m telescope at CTIO on 2018 June 23.36 (UT) at r~17.4 mag during the ongoing D<40 Mpc (DLT40) sub-day cadence supernova search. A confirmation image was obtained on 2018 June 23.63 (UT) with a Las Cumbres Observatory 0.4m telescope at Siding Springs, Australia. DLT18ab is located at RA: 21:16:11.58 DEC: -64:28:57.26 (SW from the potential host galaxy IC 5092). We do not detect the transient on 2018 Jun 22.24 (UT) or in prior imaging of the field. The PROMPT5 image was taken in a 'Clear' filter which was calibrated to an approximate r-band magnitude. Further observations are encouraged.