Discovery certificate for object 2023abjm
TNS Astronomical Transient Report No. 197598 [ 2023TNSTR3360....1T ]

Date Received (UTC): 2023-12-26 13:44:56
Sender: ATLAS (ATLAS_Bot1)
Reporting Group: ATLAS     Discovery Data Source: ATLAS

J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, P. Ramsden (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), S. Srivastav, S. Ramaiya, J. Gillanders, L. Rhodes, A. Andersson, H. Stevance (Oxford), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2023abjm
Discoverer internal name: ATLAS23xwg
Coordinates (J2000): RA = 11:27:46.218 (171.942577) DEC = +40:30:17.78 (40.50494)
Discovery date: 2023-12-24 11:58:29.280 (JD=2460302.99895)



Photometry

Discovery (first detection):
Discovery date: 2023-12-24 11:58:29.280
Flux: 18.359 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2023-12-17 13:54:46
Limiting flux: 19.54 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/2023abjm