diaObjectId
313871015546978508

150.041837, 2.155997

Discovery Date: 2025-12-19 07:57:29 UTC
Discovery MJD: 61028.33
Disc r-Flux: -1054.14±192.40
Latest Date: 2026-02-24 03:49:23 UTC
Latest MJD: 61095.16
Latest r-Flux: -1121.59±211.38
Peak Flux -1054.14±192.40 (r-band)
UTC at Peak 2025-12-19 07:57:29
MJD at Peak 61028.33
Detection Count 2
Equatorial Lon,Lat 10:00:10.041, 02:09:21.590
Galactic Lon,Lat 236.816490, 42.029778
Ecliptic Lon,Lat 151.361040, -9.438006
E(B-V) Extinction 0.018934

Transient Name Server

AT2026ctt

The transient was discovered on 28th January 2026 at 07:18:53 (MJD 61068.30) by DESIRT as C202512181000103p020922 with a discovery magnitude of i = 21.59..

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with ARK227; an r=13.64 mag galaxy found in the NED/DESI/LASR catalogues. Its located 0.00" N, 5.10" W (0.6 Kpc) from the galaxy centre. A host z=0.006 implies a m - M = 32.05.

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
61095.159296 2026-02-24 03:49:23 r -1122 ± 211 0.32 target ref diff data
61028.331596 2025-12-19 07:57:29 r -1054 ± 192 0.39 target ref diff data
MJD filter magpsf magpsf_error flux_status
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