Discovery certificate for object 2019tlu
TNS Astronomical Transient Report No. 50906 [ 2019TNSTR2195....1S ]

Date Received (UTC): 2019-10-27 20:59:58
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: AT 2019tlu
Discoverer internal name: ASASSN-19zy
Coordinates (J2000): RA = 22:51:07.411 (342.78088) DEC = +53:50:15.04 (53.83751)
Discovery date: 2019-10-27 05:16:48.000 (JD=2458783.72)


Remarks: Present in two epochs, on the rise, in TESS, no Vizier match, near the Galactic plane, so might be a classical Nova or a CV

Photometry

Discovery (first detection):
Discovery date: 2019-10-27 05:16:48.000
Flux: 15.4 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2019-10-24 07:40:48
Limiting flux: 18.5 ABMag
Filter: g-Sloan
Instrument: Brutus
Telescope: ASASSN-Brutus


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