Discovery certificate for object 2017bos
TNS Astronomical Transient Report No. 9626 [ 2017TNSTR.263....1S ]

Date Received (UTC): 2017-03-01 03:19:18
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 2017bos
Discoverer internal name: ASASSN-17df
Coordinates (J2000): RA = 09:46:29.981 (146.62492) DEC = -21:34:19.78 (-21.57216)
Discovery date: 2017-03-01 01:55:12 (JD=2457813.58)

Potential host galaxy: NGC 2996
Host redshift: 0.02927

Remarks: In two epochs, on the rise, very close to the nucleus, so also a TDE candidate

Photometry

Discovery (first detection):
Discovery date: 2017-03-01 01:55:12
Flux: 17.15 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2017-02-18 06:14:24
Limiting flux: 17.7 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/2017bos