Discovery certificate for object 2021alh
TNS Astronomical Transient Report No. 96938 [ 2021TNSTR.165....1C ]

Date Received (UTC): 2021-01-16 13:49:51
Sender: Pan-STARRS1 (PS1_Bot1)
Reporting Group: Pan-STARRS     Discovery Data Source: Pan-STARRS

K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders, S. Srivastav, M. Fulton, S. J. Smartt, D. O'Neill, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2021alh
Discoverer internal name: PS21hr
Coordinates (J2000): RA = 08:47:55.715 (131.982147771) DEC = +37:40:05.02 (37.6680605549)
Discovery date: 2021-01-12 11:38:24.000 (JD=2459226.985)


Remarks: This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Jingyuan Zhao, Zac Pujic and Lily Lau W.W.

Photometry

Discovery (first detection):
Discovery date: 2021-01-12 11:38:24.000
Flux: 20.7 ABMag
Filter: w-P1
Instrument: GPC1
Telescope: Pan-STARRS1

Last non-detection:
Archival info: DSS

Details of the new object can be viewed here: https://www.wis-tns.org/object/2021alh