Discovery certificate for object 2017iyk
TNS Astronomical Transient Report No. 15367 [ 2017TNSTR1428....1B ]

Date Received (UTC): 2017-12-18 14:31:14
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2017iyk
Discoverer internal name: ASASSN-17qx
Coordinates (J2000): RA = 03:23:27.998 (50.86666) DEC = -41:18:19.40 (-41.30539)
Discovery date: 2017-12-18 02:24:00 (JD=2458105.6)


Remarks: No match in DSS or Vizier; in several epochs, might be a "hostless" supernova

Photometry

Discovery (first detection):
Discovery date: 2017-12-18 02:24:00
Flux: 17.8 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2017-12-13 01:55:12
Limiting flux: 18.3 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski


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