Discovery certificate for object 2018cmp
TNS Astronomical Transient Report No. 19387 [ 2018TNSTR.810....1S ]

Date Received (UTC): 2018-06-13 14:54:30
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: AT 2018cmp
Discoverer internal name: ASASSN-18mm
Coordinates (J2000): RA = 23:31:09.780 (352.79075) DEC = -29:57:43.67 (-29.96213)
Discovery date: 2018-06-11 03:21:36 (JD=2458280.64)

Potential host galaxy: 2MASX J23310975-2957452
Host redshift: 0.0504

Remarks: In several epochs, nuclear source, so might also be a TDE or AGN

Photometry

Discovery (first detection):
Discovery date: 2018-06-11 03:21:36
Flux: 17.9 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-05-12 09:36:00
Limiting flux: 18.4 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski


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