Discovery certificate for object 2018gzr
TNS Astronomical Transient Report No. 23231 [ 2018TNSTR1478....1C ]

Date Received (UTC): 2018-10-01 13:22:18
Sender: Mr. Lei Hu

Xingzhuo Chen (Sichuan University), Lei Hu (Purple Mountain Observatory), Lifan Wang (Texas A&M U.), Anton Koekemoer (STScI), Jeremy Mould (Swinburne U.), Timothy Abbott (CTIO), Jeffrey Cooke (Swinburne U.), Syed Uddin (Purple Mountain Observatory), Stuart Wyithe (U. of Melbourne), Antonios Katsianis (U. of Melbourne), Edoardo Tescari (U. of Melbourne), Chris Curtin (Swinburne U.), Shahab Joudaki (Swinburne U.) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018gzr
Discoverer internal name: DECamERON-20180806cB
Coordinates (J2000): RA = 21:01:23.140 (315.346417) DEC = -66:43:54.72 (-66.731867)
Discovery date: 2018-08-06 07:30:07 (JD=2458336.812581)


Remarks: The SN candidate is discovered from CTIO 4-mDECam data of the program "Superluminous Supernovae in the Epoch of Reionization"

Photometry

Discovery (first detection):
Discovery date: 2018-08-06 07:30:07
Flux: 23.35 ABMag
Filter: i-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: It is detected from stacked image with equivalent exposure time 6930s (21 * 330s) and the obs-date here is the mean value

Last non-detection:
Archival info: SDSS

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