Discovery certificate for object 2018hdf
TNS Astronomical Transient Report No. 23372 [ 2018TNSTR1520....1S ]

Date Received (UTC): 2018-10-07 14:53:50
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 2018hdf
Discoverer internal name: ASASSN-18xc
Coordinates (J2000): RA = 03:56:44.899 (59.18708) DEC = -05:16:15.10 (-5.27086)
Discovery date: 2018-10-07 00:14:24 (JD=2458398.51)

Potential host galaxy: SDSS J035646.86-051622.2
Host redshift: 0.06557

Remarks: Possible intra-cluster event

Photometry

Discovery (first detection):
Discovery date: 2018-10-07 00:14:24
Flux: 17.1 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-10-04 23:16:48
Limiting flux: 18.7 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


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