Discovery certificate for object 2018yg
TNS Astronomical Transient Report No. 17054 [ 2018TNSTR.266....1S ]

Date Received (UTC): 2018-02-24 00:13:31
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 2018yg
Discoverer internal name: ASASSN-18dr
Coordinates (J2000): RA = 12:25:58.510 (186.49379) DEC = +04:28:27.05 (4.47418)
Discovery date: 2018-02-23 05:16:48 (JD=2458172.72)

Potential host galaxy: ARK 364
Host redshift: 0.018469

Remarks: On the rise, close to the nucleus

Photometry

Discovery (first detection):
Discovery date: 2018-02-23 05:16:48
Flux: 17.2 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-02-17 23:16:48
Limiting flux: 18.2 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018yg