Sky Alerts

Rubin Observatory (LSST)

171141201776345112

Supernova 91% 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
2
plus 1 forced measurements
Position (J2000)
00:01:37.84 -03:57:10.0
0.40768°, -3.95278°

Light curve

0.02.04.0Oct 30Oct 312026-10-30 01:42 UTC · i band · 3.9 ± 0.3 µJy2026-10-31 03:42 UTC · i band · 3.8 ± 0.3 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (2 points)
Time (UTC)MJDBandFlux (µJy)Error
2026-10-30 01:42 UTC61343.0715i3.90.3
2026-10-31 03:42 UTC61344.1545i3.80.3

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova91%
  • Artifact8%
  • 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

  • Supernova91%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 00:01:37.84, Dec -03:57:10.0
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.