Discovery certificate for object 2020lsm
TNS Astronomical Transient Report No. 72846 [ 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 2020lsm
Discoverer internal name: ZTF20abdzjkj
Coordinates (J2000): RA = 10:01:52.817 (150.4700719) DEC = +50:18:06.47 (50.3017966)
Discovery date: 2020-06-05 04:13:15.004 (JD=2459005.6758681)

Potential host galaxy: SDSS J100152.86+501806.6
Host redshift: 0.095

Remarks: Early SN candidate (g-rise > 0.14+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abdzjkj

Photometry

Discovery (first detection):
Discovery date: 2020-06-05 04:13:15.004
Flux: 19.3458 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-05-30 05:19:20
Limiting flux: 19.8546 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2020lsm