Sky Alerts

Rubin Observatory (LSST)

171141195983486980

Supernova 93% confidence

An exploding star, brightening over days and fading over weeks.

Open in the ALeRCE explorer ↗

First detected
3 days ago
Last detected
2 days ago
Detections
6
plus 4 forced measurements
Position (J2000)
23:51:33.81 -01:22:13.5
357.89087°, -1.37041°

Light curve

0.05.0r band · 22026-10-30 01:11 UTC · r band · 6.9 ± 0.2 µJy2026-10-30 01:12 UTC · r band · 6.4 ± 0.2 µJy0.05.0i band · 32026-10-30 01:48 UTC · i band · 6.8 ± 0.3 µJy2026-10-30 01:49 UTC · i band · 7.4 ± 0.3 µJy2026-10-31 03:41 UTC · i band · 7.1 ± 0.2 µJy0.05.0Oct 30Oct 31z band · 12026-10-31 03:04 UTC · z band · 6.3 ± 0.4 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (6 points)
Time (UTC)MJDBandFlux (µJy)Error
2026-10-30 01:11 UTC61343.0496r6.90.2
2026-10-30 01:12 UTC61343.0501r6.40.2
2026-10-30 01:48 UTC61343.0755i6.80.3
2026-10-30 01:49 UTC61343.0760i7.40.3
2026-10-31 03:04 UTC61344.1281z6.30.4
2026-10-31 03:41 UTC61344.1540i7.10.2

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova93%
  • Asteroid5%
  • Active galactic nucleus1%

nuclear_classifier · 1

  • Away from a galaxy core100%
  • At a galaxy core<1%
More classifiers and versions (1)

stamp_classifier_rubin_beta_20260421 · 2.0.2

  • Supernova93%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 23:51:33.81, Dec -01:22:13.5
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.