Discovery certificate for object 2020zsi
TNS Astronomical Transient Report No. 89333 [ 2020TNSTR3449....1F ]

Date Received (UTC): 2020-11-15 20:22:43
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, A. Munoz-Arancibia, L. Hernandez-Garcia, G. Pignata, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020zsi
Discoverer internal name: ZTF20acqcptp
Coordinates (J2000): RA = 03:39:40.978 (54.920743675) DEC = -15:40:47.81 (-15.679946875)
Discovery date: 2020-11-12 07:21:51.002 (JD=2459165.8068403)

Potential host galaxy: WISEA J033940.71-154053.5

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acqcptp

Photometry

Discovery (first detection):
Discovery date: 2020-11-12 07:21:51.002
Flux: 20.8297 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-05 08:33:42
Limiting flux: 19.2242 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

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