Discovery certificate for object 2017ivv
TNS Astronomical Transient Report No. 15287 [ 2017TNSTR1398....1S ]

Date Received (UTC): 2017-12-12 03:09:19
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2017ivv
Discoverer internal name: ASASSN-17qp
Coordinates (J2000): RA = 20:28:49.838 (307.20766) DEC = -04:22:57.29 (-4.38258)
Discovery date: 2017-12-12 00:43:12.000 (JD=2458099.53)


Remarks: Most likely a bright CV, but close to a resolved, faint galaxy seen in PS1 images, so could also be a SLSN

Photometry

Discovery (first detection):
Discovery date: 2017-12-12 00:43:12.000
Flux: 14.5 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2017-12-04 00:43:12
Limiting flux: 16.4 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


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