Sky Alerts

Rubin Observatory (LSST)

171141196176949327

Supernova 94% 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
3
plus 2 forced measurements
Position (J2000)
23:51:26.67 -01:52:28.7
357.86111°, -1.87464°

Light curve

  • r band (1)
  • i band (2)
0.02.04.06.0Oct 30Oct 312026-10-30 01:12 UTC · r band · 4.9 ± 0.2 µJy2026-10-30 01:49 UTC · i band · 5.1 ± 0.3 µJy2026-10-31 03:41 UTC · i band · 5.3 ± 0.3 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (3 points)
Time (UTC)MJDBandFlux (µJy)Error
2026-10-30 01:12 UTC61343.0501r4.90.2
2026-10-30 01:49 UTC61343.0760i5.10.3
2026-10-31 03:41 UTC61344.1540i5.30.3

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova94%
  • Active galactic nucleus4%
  • Variable star<1%

nuclear_classifier · 1

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

stamp_classifier_rubin_beta_20260421 · 2.0.2

  • Supernova94%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 23:51:26.67, Dec -01:52:28.7
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.