Discovery certificate for object 2019tch
TNS Astronomical Transient Report No. 49947 [ 2019TNSTR2156....1H ]

Date Received (UTC): 2019-10-23 10:35:55
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), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (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 2019tch
Discoverer internal name: Gaia19erd
Coordinates (J2000): RA = 22:09:44.590 (332.435792) DEC = +24:48:43.31 (24.812031)
Discovery date: 2019-10-18 05:36:57 (JD=2458774.7339931)


Remarks: long-term rise of ~0.4 mags in Gaia source

Photometry

Discovery (first detection):
Discovery date: 2019-10-18 05:36:57
Flux: 18.32 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-04-07 12:54:43
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/2019tch