Discovery certificate for object 2021gpu
TNS Astronomical Transient Report No. 103376 [ 2021TNSTR.836....1T ]

Date Received (UTC): 2021-03-20 20:39:54
Sender: ATLAS (ATLAS_Bot1)
Reporting Group: ATLAS     Discovery Data Source: ATLAS

J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2021gpu
Discoverer internal name: ATLAS21iwr
Coordinates (J2000): RA = 16:45:20.935 (251.33723) DEC = +31:14:18.21 (31.238391)
Discovery date: 2021-03-20 13:10:33.600 (JD=2459294.049)



Photometry

Discovery (first detection):
Discovery date: 2021-03-20 13:10:33.600
Flux: 18.749 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa

Last non-detection:
Last non-detection date: 2021-03-19 15:37:26
Limiting flux: 19.24 ABMag
Filter: cyan-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala


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