Sky Alerts

Rubin Observatory (LSST)

171141212256862276

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
9
plus 4 forced measurements
Position (J2000)
00:35:30.18 -43:52:15.3
8.87573°, -43.87091°

Light curve

0.05.0g band · 12026-10-30 02:39 UTC · g band · 1.0 ± 0.1 µJy0.05.0r band · 22026-10-31 02:33 UTC · r band · 3.4 ± 0.2 µJy2026-10-31 02:34 UTC · r band · 3.8 ± 0.2 µJy0.05.0i band · 42026-10-30 02:42 UTC · i band · 4.9 ± 0.3 µJy2026-10-30 02:42 UTC · i band · 4.9 ± 0.3 µJy2026-10-30 02:43 UTC · i band · 5.7 ± 0.3 µJy2026-10-30 02:43 UTC · i band · 5.8 ± 0.3 µJy0.05.0Oct 30Oct 31z band · 22026-10-31 02:37 UTC · z band · 4.0 ± 0.3 µJy2026-10-31 02:37 UTC · z band · 4.9 ± 0.3 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (9 points)
Time (UTC)MJDBandFlux (µJy)Error
2026-10-30 02:39 UTC61343.1111g1.00.1
2026-10-30 02:42 UTC61343.1127i4.90.3
2026-10-30 02:42 UTC61343.1129i4.90.3
2026-10-30 02:43 UTC61343.1132i5.70.3
2026-10-30 02:43 UTC61343.1134i5.80.3
2026-10-31 02:33 UTC61344.1068r3.40.2
2026-10-31 02:34 UTC61344.1072r3.80.2
2026-10-31 02:37 UTC61344.1092z4.00.3
2026-10-31 02:37 UTC61344.1096z4.90.3

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova94%
  • Artifact2%
  • Asteroid2%

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

  • Supernova94%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 00:35:30.18, Dec -43:52:15.3
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.