Discovery certificate for object 2019ljm
TNS Astronomical Transient Report No. 41845 [ 2019TNSTR1283....1H ]

Date Received (UTC): 2019-07-17 11:05:40
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), D. Eappachen, Z. Kostrzewa-Rutkowska (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019ljm
Discoverer internal name: Gaia19dam
Coordinates (J2000): RA = 23:38:48.660 (354.70275) DEC = +28:19:54.80 (28.331889)
Discovery date: 2019-07-15 01:20:38 (JD=2458679.5559954)


Remarks: outburst in known dwarf nova CRTS J233848.7+281955

Photometry

Discovery (first detection):
Discovery date: 2019-07-15 01:20:38
Flux: 15.87 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-06-30 02:08:09
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


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