Discovery certificate for object 2020aalx
TNS Astronomical Transient Report No. 90199 [ 2020TNSTR3500....1M ]

Date Received (UTC): 2020-11-19 17:05:35
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, F.E. Bauer, 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 2020aalx
Discoverer internal name: ZTF20acrtzgt
Coordinates (J2000): RA = 00:00:50.052 (0.208549666666667) DEC = -19:21:24.75 (-19.3568739)
Discovery date: 2020-11-17 04:34:00.002 (JD=2459170.6902778)

Potential host galaxy: SDSS J000050.04-192125.7
Host redshift: 0.116

Remarks: Early SN candidate (r-rise > 0.12+-0.05 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20acrtzgt

Photometry

Discovery (first detection):
Discovery date: 2020-11-17 04:34:00.002
Flux: 20.2583 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-11-17 03:29:49
Limiting flux: 19.9794 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/2020aalx