Discovery certificate for object 2018jhd
TNS Astronomical Transient Report No. 25770 [ 2018TNSTR1858....1S ]

Date Received (UTC): 2018-12-03 03:16:12
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 2018jhd
Discoverer internal name: ASASSN-18aas
Coordinates (J2000): RA = 20:42:41.717 (310.67382) DEC = +04:47:36.71 (4.79353)
Discovery date: 2018-12-03 01:26:24 (JD=2458455.56)


Remarks: Present in two epochs, on the rise, no match in SDSS/PS1, so it might be a CV or a "hostless" transient

Photometry

Discovery (first detection):
Discovery date: 2018-12-03 01:26:24
Flux: 16.5 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2018-12-01 01:40:48
Limiting flux: 18.4 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/2018jhd