Discovery certificate for object 2018bkx
TNS Astronomical Transient Report No. 18348 [ 2018TNSTR.628....1S ]

Date Received (UTC): 2018-05-13 22:18:43
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 2018bkx
Discoverer internal name: ASASSN-18jw
Coordinates (J2000): RA = 20:04:15.910 (301.06629) DEC = +71:34:52.64 (71.58129)
Discovery date: 2018-05-12 08:23:59 (JD=2458250.8499884)


Remarks: No match in Vizier or PS1 images, most likely a CV, but could also be a "hostless" SN

Photometry

Discovery (first detection):
Discovery date: 2018-05-12 08:23:59
Flux: 16.3 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-05-09 08:09:36
Limiting flux: 18.4 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/2018bkx