Sky Alerts

Rubin Observatory (LSST)

170595943366262850

Supernova 90% confidence

An exploding star, brightening over days and fading over weeks.

Open in the ALeRCE explorer ↗

First detected
4 months ago
Last detected
2 days ago
Detections
6
plus 5 forced measurements
Position (J2000)
23:57:20.91 -02:18:36.2
359.33715°, -2.31006°

Light curve

  • r band (1)
  • i band (5)
0.010.020.0Jul 29Sep 172026-06-28 09:55 UTC · i band · 26.8 ± 0.5 µJy2026-06-30 08:44 UTC · i band · 15.2 ± 0.4 µJy2026-07-09 09:43 UTC · i band · 7.3 ± 0.3 µJy2026-10-30 01:11 UTC · r band · 7.5 ± 0.2 µJy2026-10-30 01:48 UTC · i band · 10.9 ± 0.3 µJy2026-10-31 03:41 UTC · i band · 6.7 ± 0.3 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (6 points)
Time (UTC)MJDBandFlux (µJy)Error
2026-06-28 09:55 UTC61219.4137i26.80.5
2026-06-30 08:44 UTC61221.3644i15.20.4
2026-07-09 09:43 UTC61230.4054i7.30.3
2026-10-30 01:11 UTC61343.0496r7.50.2
2026-10-30 01:48 UTC61343.0755i10.90.3
2026-10-31 03:41 UTC61344.1540i6.70.3

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova90%
  • Active galactic nucleus6%
  • Variable star3%

stamp_classifier_rubin_beta · 201

  • Supernova90%
  • Variable star4%
  • Active galactic nucleus3%

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

  • Supernova90%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 23:57:20.91, Dec -02:18:36.2
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.