diaObjectId
170028529427677325

187.001511, 8.718191

Discovery Date: 2026-02-19 06:13:45 UTC
Discovery MJD: 61090.26
Disc g-Flux: -1269.13±210.06
Latest Date: 2026-02-24 05:13:10 UTC
Latest MJD: 61095.22
Latest g-Flux: -2162.58±307.46
Peak Flux -1171.17±188.69 (g-band)
UTC at Peak 2026-02-23 05:00:24
MJD at Peak 61094.21
Detection Count 7
Equatorial Lon,Lat 12:28:0.363, 08:43:5.489
Galactic Lon,Lat 285.091839, 70.773945
Ecliptic Lon,Lat 182.932196, 10.777412
E(B-V) Extinction 0.020391

Transient Name Server

AT2025stu

The transient was discovered on 26th May 2025 at 08:44:18 (MJD 60821.36) by Pan-STARRS as PS25fov with a discovery magnitude of i = 20.68..

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with SDSS J122800.40+084305.6; a J=16.56 mag galaxy found in the SDSS/DESI/2MASS/PS1 catalogues. Its located 0.21" S, 1.31" W (1.7 Kpc) from the galaxy centre. A host z=0.086 implies a m - M = 37.98.

Difference Image Lightcurve

Access the data from this plot in the LSST Alert Packet Data table below.

Context Map

Recent Image Stamps

target

reference

difference

LSST Alert Packet Data

MJD UTC band target diff flux reliability images alert packet
61095.217486 2026-02-24 05:13:10 r -2163 ± 307 0.26 target ref diff data
61095.194838 2026-02-24 04:40:33 i -2699 ± 421 0.19 target ref diff data
61095.169293 2026-02-24 04:03:46 i -2778 ± 428 0.20 target ref diff data
61094.261068 2026-02-23 06:15:56 r -1254 ± 248 0.22 target ref diff data
61094.212522 2026-02-23 05:06:01 g -1448 ± 221 0.26 target ref diff data
61094.208621 2026-02-23 05:00:24 g -1171 ± 189 0.18 target ref diff data
61090.259556 2026-02-19 06:13:45 g -1269 ± 210 0.25 target ref diff data
MJD filter magpsf magpsf_error flux_status
Need Help?

Start with our documentation on readthedocs, you might find the FAQ section especially useful.

If you still have questions, want to report a bug, or make a feature request, please reach out to us on the Lasair topic on the Rubin Community pages.

readthedocs Lasair Community
Help