Discovery certificate for object 2017iyl
TNS Astronomical Transient Report No. 15368 [ 2017TNSTR1429....1B ]

Date Received (UTC): 2017-12-18 14:48:56
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2017iyl
Discoverer internal name: ASASSN-17qy
Coordinates (J2000): RA = 06:00:15.135 (90.063063) DEC = -18:06:10.54 (-18.102928)
Discovery date: 2017-12-09 10:48:00.000 (JD=2458096.95)

Potential host galaxy: 2MASX J06001492-1806013
Host redshift: 0.027846

Remarks: In several epochs, confirmed by J. Brimacombe and G. Stone


Discovery (first detection):
Discovery date: 2017-12-09 10:48:00.000
Flux: 16.5 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2017-12-05 06:14:24
Limiting flux: 16.8 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Details of the new object can be viewed here: