Discovery certificate for object 2019os
TNS Astronomical Transient Report No. 28620

Date Received (UTC): 2019-01-10 11:52:10
Sender: ATLAS (ATLAS_Bot1)
Source Group: 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, K. Maguire, S. J. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019os
Discoverer internal name: ATLAS19azv
Coordinates (J2000): RA = 03:45:23.679 (56.3486614286) DEC = -30:24:43.16 (-30.41199)
Discovery date: 2019-01-10 07:48:00 (JD=2458493.825)



Photometry

Discovery (first detection):
Discovery date: 2019-01-10 07:48:00
Flux: 18.343 ABMag
Filter: cyan-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2019-01-08 08:34:04
Limiting flux: 19.29 ABMag
Filter: orange-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019os