Discovery certificate for object 2017cpu
TNS Astronomical Transient Report No. 10416 [ 2017TNSTR.383....1S ]

Date Received (UTC): 2017-04-01 16:15:19
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 2017cpu
Discoverer internal name: ASASSN-17ej
Coordinates (J2000): RA = 14:07:52.370 (211.96821) DEC = +09:38:29.76 (9.6416)
Discovery date: 2017-04-01 11:16:48 (JD=2457844.97)

Potential host galaxy: 2MASX J14075270+0938281
Host redshift: 0.054411

Remarks: In two epochs, possibly on the rise (very faint for ASAS-SN)

Photometry

Discovery (first detection):
Discovery date: 2017-04-01 11:16:48
Flux: 18.1 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2017-03-24 11:31:12
Limiting flux: 18.1 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus


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