Discovery certificate for object 2020ttu
TNS Astronomical Transient Report No. 82729 [ 2020TNSTR2869....1M ]

Date Received (UTC): 2020-09-20 00:25:46
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Marques-Chaves (CAB), I. Perez-Fournon, C. Jimenez Angel, F. Poidevin (IAC & ULL), R. Shirley (Univ. of Southampton), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: SN 2020ttu
Discoverer internal name: ZTF20acaiztt
Coordinates (J2000): RA = 02:47:12.105 (41.800438) DEC = +41:24:35.64 (41.4099)
Discovery date: 2020-09-17 08:29:07.000 (JD=2459109.8535532)


Remarks: Data were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), ANTARES (https://antares.noirlab.edu), and MARS (https://mars.lco.global) brokers.

Photometry

Discovery (first detection):
Discovery date: 2020-09-17 08:29:07.000
Flux: 19.94 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-09-15 10:28:05
Limiting flux: 20.469 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2020ttu