Discovery certificate for object 2018yd
TNS Astronomical Transient Report No. 17049 [ 2018TNSTR.261....1B ]

Date Received (UTC): 2018-02-23 13:38:33
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: AT 2018yd
Discoverer internal name: ASASSN-18dn
Coordinates (J2000): RA = 06:10:59.232 (92.7468) DEC = -33:41:20.65 (-33.68907)
Discovery date: 2018-02-22 02:09:36 (JD=2458171.59)

Potential host galaxy: 2MASX J06105892-3341177
Host redshift: 0.03848

Remarks: In several epochs, confirmed by follow-up images

Photometry

Discovery (first detection):
Discovery date: 2018-02-22 02:09:36
Flux: 17.9 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-02-18 03:07:12
Limiting flux: 18.3 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/2018yd