Discovery certificate for object 2019ahk
TNS Astronomical Transient Report No. 29395 [ 2019TNSTR.167....1S ]

Date Received (UTC): 2019-01-30 05:28:25
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 2019ahk
Discoverer internal name: ASASSN-19bt
Coordinates (J2000): RA = 07:00:11.546 (105.04811) DEC = -66:02:24.14 (-66.04004)
Discovery date: 2019-01-29 21:50:24 (JD=2458513.41)

Potential host galaxy: 2MASX J07001137-6602251
Host redshift: 0.026211

Remarks: In several epochs, likely a nuclear source, so could also be a TDE; in TESS Sector 7

Photometry

Discovery (first detection):
Discovery date: 2019-01-29 21:50:24
Flux: 18 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2019-01-27 01:26:24
Limiting flux: 18.7 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019ahk