Discovery certificate for object 2018evn
TNS Astronomical Transient Report No. 21432 [ 2018TNSTR1138....1A ]

Date Received (UTC): 2018-08-10 21:06:29
Sender: Mr. Cristovao Jacques
Source Group: BraTS

Leonardo Amaral (Observatorio Campo dos Amarais - OCA), Paulo Holvorcem (Holvorcem Ltda.), on behalf of the Brazilian Transient Search (BraTS) team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018evn
Discoverer internal name: BraTS-OCA-T1-002
Coordinates (J2000): RA = 18:00:53.730 (270.223875) DEC = -51:54:51.92 (-51.914422)
Discovery date: 2018-08-10 01:03:39 (JD=2458340.5442014)


Remarks: Hostless transient within 14 degrees of galactic plane, possible CV

Photometry

Discovery (first detection):
Discovery date: 2018-08-10 01:03:39
Flux: 17.8 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 6 frames taken over 2.26-h period with 0.31-m f/2.9 Newtonian reflector + CCD; zero points calibrated to UCAC-4 magnitudes

Last non-detection:
Last non-detection date: 2018-07-07 03:50:40
Limiting flux: 18.5 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 3 frames taken with 0.31-m f/2.9 Newtonian reflector + CCD; zero points calibrated to UCAC-4 magnitudes

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018evn