Discovery certificate for object 2017iyy
TNS Astronomical Transient Report No. 15385

Date Received (UTC): 2017-12-19 10:49:57
Sender: Dr. Lukasz Wyrzykowski

Lukasz Wyrzykowski, Mariusz Gromadzki report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017iyy
Coordinates (J2000): RA = 04:43:12.910 (70.803792) DEC = -65:11:21.10 (-65.189194)
Discovery date: 2017-12-18 13:00:00 (JD=2458106.041667)

Potential host galaxy: OGLE-GAL-LMC542.14-414.359-1713.909

Remarks: Supernova at 0.91 arcsec from center of galaxy

Photometry

Discovery (first detection):
Discovery date: 2017-12-18 13:00:00
Flux: 17.941 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope

Last non-detection:
Last non-detection date: 2017-11-13 08:08:24
Limiting flux: 22 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017iyy