Discovery certificate for object 2020xsn
TNS Astronomical Transient Report No. 86908 [ 2020TNSTR3194....1T ]

Date Received (UTC): 2020-10-21 11:39:54
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, 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), A. Townsend (University of Manchester) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020xsn
Discoverer internal name: ATLAS20becw
Coordinates (J2000): RA = 18:30:33.110 (277.637956667) DEC = +49:32:29.67 (49.541575)
Discovery date: 2020-10-16 06:17:16.800 (JD=2459138.762)



Photometry

Discovery (first detection):
Discovery date: 2020-10-16 06:17:16.800
Flux: 19.341 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa

Last non-detection:
Last non-detection date: 2020-10-14 06:05:46
Limiting flux: 19.63 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/2020xsn