Discovery certificate for object 2017esb
TNS Astronomical Transient Report No. 12033 [ 2017TNSTR.652....1B ]

Date Received (UTC): 2017-06-14 17:51:14
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2017esb
Discoverer internal name: ASASSN-17hp
Coordinates (J2000): RA = 13:09:36.022 (197.40009) DEC = -18:58:19.56 (-18.9721)
Discovery date: 2017-06-12 03:36:00 (JD=2457916.65)

Potential host galaxy: ESO 575- G 066
Host redshift: 0.035478

Remarks: In two epochs, nuclear transient, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2017-06-12 03:36:00
Flux: 16.6 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2017-06-10 04:04:48
Limiting flux: 17 STMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


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