Discovery certificate for object 2019ebb
TNS Astronomical Transient Report No. 33698 [ 2019TNSTR.630....1C ]

Date Received (UTC): 2019-04-25 20:23:42
Sender: Emmanuel Conseil
Source Group: None

Emmanuel Conseil report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019ebb
Coordinates (J2000): RA = 00:40:36.070 (10.150292) DEC = +40:42:33.10 (40.709194)
Discovery date: 2019-04-25 05:10:00 (JD=2458598.7152778)

Potential host galaxy: M31

Remarks: Emmanuel Conseil reports the discovery of a probable nova in M31, located 00 40 36.07 +40 42 33.1 at magnitude 17.2 CV on 2019-04-25 between 05:10 UTC and 05:17 UTC. The object is visible on 6 images (50s exposures) taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803). No asteroid or known variable at this location at this date. Image available here : https://www.flickr.com/photos/econseil/40732814293

Photometry

Discovery (first detection):
Discovery date: 2019-04-25 05:10:00
Flux: 17.2 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Visible on 6 images, 50s exposures each

Last non-detection:
Last non-detection date: 2019-02-19 20:28:00
Limiting flux: 19 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other


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