Discovery certificate for object 2018ddi
TNS Astronomical Transient Report No. 19995 [ 2018TNSTR.935....1S ]

Date Received (UTC): 2018-07-06 13:18:06
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 2018ddi
Discoverer internal name: ASASSN-18oi
Coordinates (J2000): RA = 03:39:35.119 (54.89633) DEC = -06:19:30.29 (-6.32508)
Discovery date: 2018-07-02 10:33:36 (JD=2458301.94)

Potential host galaxy: SDSS J033935.15-061929.9

Remarks: On the rise, unknown redshift host galaxy

Photometry

Discovery (first detection):
Discovery date: 2018-07-02 10:33:36
Flux: 15.9 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2018-03-19 23:45:36
Limiting flux: 17.2 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/2018ddi