Discovery certificate for object 2020lsn
TNS Astronomical Transient Report No. 72847 [ 2020TNSTR1689....1F ]

Date Received (UTC): 2020-06-05 22:55:10
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, 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, F.E. Bauer, 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 2020lsn
Discoverer internal name: ZTF20abdzjds
Coordinates (J2000): RA = 10:36:02.559 (159.0106632) DEC = +28:53:33.83 (28.8927303)
Discovery date: 2020-06-05 04:09:12.004 (JD=2459005.6730556)

Potential host galaxy: 2MASX J10360259+2853334
Host redshift: 0.094092

Remarks: Early SN candidate (g-rise > 0.11+-0.02 mag/day, r-rise > 0.13+-0.01 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abdzjds

Photometry

Discovery (first detection):
Discovery date: 2020-06-05 04:09:12.004
Flux: 19.42 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-06-01 05:30:06
Limiting flux: 19.0455 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/2020lsn