Discovery certificate for object 2017gzf
TNS Astronomical Transient Report No. 13837 [ 2017TNSTR1050....1W ]

Date Received (UTC): 2017-09-30 13:16:47
Sender: Dr. Lukasz Wyrzykowski
Source Group: OGLE

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

IAU Designation: AT 2017gzf
Coordinates (J2000): RA = 00:22:17.480 (5.572833) DEC = -65:23:27.00 (-65.390833)
Discovery date: 2017-09-30 05:53:26 (JD=2458026.7454398)

Potential host galaxy: OGLE-GAL-SMC787.28-422.937-675.406

Remarks: transient clearly offset from a visible host galaxy by 2.5 arcsec. Light curve and rise time resembles SN Ia.

Photometry

Discovery (first detection):
Discovery date: 2017-09-30 05:53:26
Flux: 19.82 VegaMag
Filter: I-Cousins
Instrument: Other
Telescope: Other

Remarks: OGLE-IV Warsaw Telescope, Las Campanas, Chile

Last non-detection:
Last non-detection date: 2017-09-12 04:14:08
Limiting flux: 21.9 VegaMag
Filter: I-Cousins
Instrument: Other
Telescope: Other

Remarks: OGLE-IV Warsaw Telescope, Las Campanas, Chile

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