Discovery certificate for object 2024ysu
TNS Astronomical Transient Report No. 229877 [ 2024TNSTR4100....1T ]

Date Received (UTC): 2024-10-22 18:23:52
Sender: ATLAS (ATLAS_Bot1)
Reporting Group: ATLAS     Discovery Data Source: ATLAS

J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU) report/s the discovery of a new astronomical transient.

IAU Designation: SN 2024ysu
Discoverer internal name: ATLAS24pmy
Coordinates (J2000): RA = 01:42:35.582 (25.64826) DEC = +00:13:35.04 (0.2264)
Discovery date: 2024-10-21 10:07:40.800 (JD=2460604.922)



Photometry

Discovery (first detection):
Discovery date: 2024-10-21 10:07:40.800
Flux: 18.785 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2024-10-20 06:08:41
Limiting flux: 18.5 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-04
Telescope: ATLAS El Sauce


Details of the new object can be viewed here: https://www.wis-tns.org/object/2024ysu