Discovery certificate for object 2017hdn
TNS Astronomical Transient Report No. 13959 [ 2017TNSTR1081....1S ]

Date Received (UTC): 2017-10-08 14:01:00
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 2017hdn
Discoverer internal name: ASASSN-17nc
Coordinates (J2000): RA = 03:35:32.556 (53.88565) DEC = -61:16:45.77 (-61.27938)
Discovery date: 2017-10-08 04:33:36 (JD=2458034.69)

Potential host galaxy: GALEXASC J033532.48-611650.5

Remarks: In two epochs, blue host with unknown redshift

Photometry

Discovery (first detection):
Discovery date: 2017-10-08 04:33:36
Flux: 16.5 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2017-10-02 04:19:12
Limiting flux: 17.4 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


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