TNS Astronomical Transient Report No. 20695 [ 2018TNSTR.989....1N ]

Date Received (UTC): 2018-07-16 09:34:18
Date made public:
Sender: Ping Chen
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

Brent Nicholls, Ping Chen, Subo Dong, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018dyv
Discoverer internal name: ASASSN-18pi
Coordinates (J2000): RA = 19:43:17.330 (295.822208) DEC = -54:34:14.49 (-54.570692)
Discovery date: 2018-07-14 02:24:00.000 (JD=2458313.6)

Potential host galaxy: 2MASX J19431917-5434257
Host redshift: 0.039841

Remarks: confirmed in follow-up image, on the rise

Photometry

Discovery (first detection):
Discovery date: 2018-07-14 02:24:00.000
Flux: 18.2 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-07-13 04:04:48
Limiting flux: 17.9 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


Details of the new object can be viewed here: https://www.wis-tns.org/object/2018dyv