Discovery certificate for object 2015cf
TNS Astronomical Transient Report No. 11517 [ 2017TNSTR.555....1K ]

Date Received (UTC): 2017-05-15 07:47:31
Sender: Erik Kool
Source Group: SUNBIRD

Erik Kool report/s the discovery of a new astronomical transient.

IAU Designation: AT 2015cf
Coordinates (J2000): RA = 10:04:01.530 (151.006375) DEC = -06:28:25.84 (-6.473844)
Discovery date: 2015-03-11 02:49:55 (JD=2457092.6179977)

Potential host galaxy: NGC 3110

Remarks: This transient is located just 0.6" S and 0.4" W of AT 2015ca.

Photometry

Discovery (first detection):
Discovery date: 2015-03-11 02:49:55
Flux: 21 VegaMag
Filter: K-Bessel
Instrument: Other
Telescope: Other

Remarks: Instrument: GeMS/GSAOI on Gemini South Nuclear offset SN: 4.2"/1.6 kpc North, 8.0"/3.0 kpc West Reference epoch: GeMS/GSAOI image from 2016-02-19.

Last non-detection:
Archival info: Other
Remarks: VLT/NACO 2010-12-28 in Ks

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2015cf