Discovery certificate for object 2018ddx
TNS Astronomical Transient Report No. 20015 [ 2018TNSTR.940....1S ]

Date Received (UTC): 2018-07-07 09:48:41
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 2018ddx
Discoverer internal name: ASASSN-18om
Coordinates (J2000): RA = 22:04:59.856 (331.2494) DEC = -56:04:57.29 (-56.08258)
Discovery date: 2018-07-07 05:45:36 (JD=2458306.74)

Potential host galaxy: APMUKS(BJ) B220137.90-561932.4

Remarks: Unknown redshift, irregular blue host galaxy

Photometry

Discovery (first detection):
Discovery date: 2018-07-07 05:45:36
Flux: 17.4 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2018-07-02 06:28:48
Limiting flux: 17.7 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/2018ddx