Discovery certificate for object 2017cpg
TNS Astronomical Transient Report No. 10401 [ 2017TNSTR.385....1D ]

Date Received (UTC): 2017-04-01 12:06:08
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: GaiaAlerts

A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017cpg
Discoverer internal name: Gaia17avx
Coordinates (J2000): RA = 21:01:46.910 (315.445458) DEC = -20:12:11.02 (-20.203061)
Discovery date: 2017-03-26 20:21:07.000 (JD=2457839.3479977)


Remarks: transient near edge of faint DSS2 source, rising and getting bluer

Photometry

Discovery (first detection):
Discovery date: 2017-03-26 20:21:07.000
Flux: 18.28 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-11-12 06:04:19
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2017cpg