Discovery certificate for object 2018apn
TNS Astronomical Transient Report No. 17608 [ 2018TNSTR.438....1S ]

Date Received (UTC): 2018-04-04 04:21:16
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 2018apn
Discoverer internal name: ASASSN-18gs
Coordinates (J2000): RA = 15:50:03.461 (237.51442) DEC = +42:05:17.88 (42.0883)
Discovery date: 2018-04-03 06:14:24 (JD=2458211.76)

Potential host galaxy: SDSS J155003.56+420518.3

Remarks: In several epochs, very faint unknown redshift SDSS host, a bigger galaxy with z=0.034 relatively nearby

Photometry

Discovery (first detection):
Discovery date: 2018-04-03 06:14:24
Flux: 17 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-03-22 07:40:48
Limiting flux: 18.9 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/2018apn