Sky Alerts

Rubin Observatory (LSST)

171141212430401579

Supernova 89% 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 2 forced measurements
Position (J2000)
00:31:43.05 -43:38:51.1
7.92936°, -43.64752°

Light curve

  • r band (2)
  • i band (4)
0.02.04.0Oct 30Oct 312026-10-30 02:42 UTC · i band · 3.9 ± 0.3 µJy2026-10-30 02:42 UTC · i band · 3.8 ± 0.3 µJy2026-10-30 02:43 UTC · i band · 3.3 ± 0.3 µJy2026-10-30 02:43 UTC · i band · 3.9 ± 0.3 µJy2026-10-31 02:33 UTC · r band · 2.5 ± 0.2 µJy2026-10-31 02:34 UTC · r band · 2.5 ± 0.2 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 02:42 UTC61343.1127i3.90.3
2026-10-30 02:42 UTC61343.1129i3.80.3
2026-10-30 02:43 UTC61343.1132i3.30.3
2026-10-30 02:43 UTC61343.1134i3.90.3
2026-10-31 02:33 UTC61344.1068r2.50.2
2026-10-31 02:34 UTC61344.1072r2.50.2

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova89%
  • Artifact9%
  • Asteroid1%

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

  • Supernova89%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 00:31:43.05, Dec -43:38:51.1
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.