Discovery certificate for object 2020exn
TNS Astronomical Transient Report No. 64888 [ 2020TNSTR.863....1T ]

Date Received (UTC): 2020-03-24 14:44:52
Sender: ATLAS (ATLAS_Bot1)
Reporting Group: ATLAS     Discovery Data Source: ATLAS

J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (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, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (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 2020exn
Discoverer internal name: ATLAS20isy
Coordinates (J2000): RA = 14:32:55.503 (218.2312625) DEC = +23:16:48.80 (23.2802225)
Discovery date: 2020-03-23 12:34:33.600 (JD=2458932.024)


Discovery (first detection):
Discovery date: 2020-03-23 12:34:33.600
Flux: 19.552 ABMag
Filter: cyan-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2020-03-17 15:34:34
Limiting flux: 17.65 ABMag
Filter: orange-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Details of the new object can be viewed here: