Discovery certificate for object 2021ach
TNS Astronomical Transient Report No. 96553 [ 2021TNSTR.114....1T ]

Date Received (UTC): 2021-01-12 23:34:17
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 (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 2021ach
Discoverer internal name: ATLAS21blt
Coordinates (J2000): RA = 10:17:30.494 (154.37706) DEC = +49:00:40.69 (49.0113033333)
Discovery date: 2021-01-12 12:20:09.600 (JD=2459227.014)



Photometry

Discovery (first detection):
Discovery date: 2021-01-12 12:20:09.600
Flux: 19.628 ABMag
Filter: cyan-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa

Last non-detection:
Last non-detection date: 2021-01-08 12:18:43
Limiting flux: 19.7 ABMag
Filter: cyan-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa


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