Discovery certificate for object 2018dx
TNS Astronomical Transient Report No. 16406 [ 2018TNSTR..34....1B ]

Date Received (UTC): 2018-01-10 18:05:02
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

J. Brimacombe, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018dx
Discoverer internal name: ASASSN-18aj
Coordinates (J2000): RA = 09:16:12.326 (139.05136) DEC = +39:03:42.30 (39.06175)
Discovery date: 2018-01-10 06:57:36 (JD=2458128.79)

Potential host galaxy: SDSS J091612.25+390341.8

Remarks: In several epochs, confirmed by J. Brimacombe, blue, faint SDSS host with unknown redshift

Photometry

Discovery (first detection):
Discovery date: 2018-01-10 06:57:36
Flux: 17.3 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-01-05 07:13:26
Limiting flux: 17.7 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/2018dx