Sky Alerts

Rubin Observatory (LSST)

171141211844771845

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
3 days ago
Detections
3
plus 1 forced measurements
Position (J2000)
00:38:40.48 -42:10:53.4
9.66868°, -42.18150°

Light curve

  • g band (2)
  • i band (1)
0.02.04.06.0Oct 29Oct 302026-10-30 02:38 UTC · g band · 2.7 ± 0.2 µJy2026-10-30 02:39 UTC · g band · 2.7 ± 0.2 µJy2026-10-30 03:42 UTC · i band · 5.9 ± 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 02:38 UTC61343.1104g2.70.2
2026-10-30 02:39 UTC61343.1106g2.70.2
2026-10-30 03:42 UTC61343.1545i5.90.3

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova91%
  • Asteroid5%
  • Active galactic nucleus3%

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 00:38:40.48, Dec -42:10:53.4
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.