Discovery certificate for object 2018dei
TNS Astronomical Transient Report No. 20030 [ 2018TNSTR.940....1S ]

Date Received (UTC): 2018-07-07 21:00:31
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 2018dei
Discoverer internal name: ASASSN-18oo
Coordinates (J2000): RA = 13:23:43.118 (200.92966) DEC = -25:24:32.33 (-25.40898)
Discovery date: 2018-07-05 18:28:48 (JD=2458305.27)

Potential host galaxy: PGC779293

Remarks: In several epochs, unknown redshift blue host

Photometry

Discovery (first detection):
Discovery date: 2018-07-05 18:28:48
Flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-07-04 19:26:24
Limiting flux: 18.6 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/2018dei