Discovery certificate for object 2017haf
TNS Astronomical Transient Report No. 13867 [ 2017TNSTR1057....1S ]

Date Received (UTC): 2017-10-02 00:02:00
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017haf
Discoverer internal name: ASASSN-17mz
Coordinates (J2000): RA = 23:56:21.816 (359.0909) DEC = +32:27:24.08 (32.45669)
Discovery date: 2017-09-30 12:00:00 (JD=2458027)

Potential host galaxy: 2MASX J23562219+3227266
Host redshift: 0.0161

Remarks: In several epochs , on the rise

Photometry

Discovery (first detection):
Discovery date: 2017-09-30 12:00:00
Flux: 16 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2017-09-21 11:31:12
Limiting flux: 17.9 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus


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