Sky Alerts

Rubin Observatory (LSST)

313677516783484988

Supernova 88% confidence

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

Open in the ALeRCE explorer ↗

First detected
12 months ago
Last detected
3 days ago
Detections
111
plus 196 forced measurements
Position (J2000)
04:13:42.93 -48:46:35.2
63.42890°, -48.77646°

Light curve

-5.00.05.0g band · 72025-11-08 06:43 UTC · g band · 2.0 ± 0.3 µJy2025-11-08 06:44 UTC · g band · 1.5 ± 0.3 µJy2025-11-12 06:13 UTC · g band · 0.9 ± 0.1 µJy2026-02-19 01:38 UTC · g band · -0.8 ± 0.1 µJy2026-02-19 01:46 UTC · g band · -0.8 ± 0.1 µJy2026-02-19 01:47 UTC · g band · -0.7 ± 0.1 µJy2026-02-20 00:56 UTC · g band · -0.7 ± 0.1 µJy-5.00.05.0r band · 512025-11-05 05:34 UTC · r band · 5.6 ± 0.4 µJy2025-11-05 06:04 UTC · r band · 4.9 ± 0.4 µJy2025-11-11 07:50 UTC · r band · 3.5 ± 0.2 µJy2025-11-23 05:33 UTC · r band · 0.9 ± 0.1 µJy2025-11-23 05:49 UTC · r band · 0.9 ± 0.2 µJy2026-02-19 02:12 UTC · r band · -1.1 ± 0.2 µJy2026-02-19 02:14 UTC · r band · -1.1 ± 0.2 µJy2026-02-19 02:15 UTC · r band · -1.6 ± 0.2 µJy2026-02-19 02:16 UTC · r band · -1.0 ± 0.2 µJy2026-02-19 02:18 UTC · r band · -1.3 ± 0.2 µJy2026-02-19 02:19 UTC · r band · -1.1 ± 0.2 µJy2026-02-19 02:20 UTC · r band · -1.2 ± 0.2 µJy2026-02-19 02:24 UTC · r band · -1.0 ± 0.2 µJy2026-02-19 02:25 UTC · r band · -1.3 ± 0.2 µJy2026-02-19 02:28 UTC · r band · -1.0 ± 0.2 µJy2026-02-19 02:29 UTC · r band · -1.2 ± 0.2 µJy2026-02-19 02:30 UTC · r band · -1.1 ± 0.2 µJy2026-02-20 02:30 UTC · r band · -1.0 ± 0.2 µJy2026-02-20 03:41 UTC · r band · -1.4 ± 0.2 µJy2026-02-20 03:42 UTC · r band · -1.1 ± 0.2 µJy2026-02-20 03:43 UTC · r band · -1.3 ± 0.2 µJy2026-02-20 03:45 UTC · r band · -1.0 ± 0.2 µJy2026-02-20 03:46 UTC · r band · -1.3 ± 0.2 µJy2026-02-20 03:47 UTC · r band · -1.0 ± 0.2 µJy2026-02-20 03:48 UTC · r band · -1.1 ± 0.2 µJy2026-02-20 03:50 UTC · r band · -1.2 ± 0.2 µJy2026-02-23 02:31 UTC · r band · -1.3 ± 0.2 µJy2026-02-23 02:33 UTC · r band · -1.1 ± 0.2 µJy2026-02-23 02:34 UTC · r band · -1.0 ± 0.2 µJy2026-02-23 02:35 UTC · r band · -0.9 ± 0.2 µJy2026-02-23 02:36 UTC · r band · -1.2 ± 0.2 µJy2026-02-23 02:38 UTC · r band · -1.1 ± 0.2 µJy2026-02-23 02:39 UTC · r band · -1.0 ± 0.2 µJy2026-02-23 02:40 UTC · r band · -1.3 ± 0.2 µJy2026-02-23 02:42 UTC · r band · -1.1 ± 0.2 µJy2026-02-23 02:43 UTC · r band · -1.1 ± 0.2 µJy2026-02-23 02:44 UTC · r band · -1.1 ± 0.2 µJy2026-02-23 02:45 UTC · r band · -1.0 ± 0.2 µJy2026-02-23 02:47 UTC · r band · -1.3 ± 0.2 µJy2026-02-23 02:48 UTC · r band · -1.1 ± 0.2 µJy2026-02-24 01:58 UTC · r band · -1.0 ± 0.1 µJy2026-02-24 01:59 UTC · r band · -1.0 ± 0.2 µJy2026-02-24 02:01 UTC · r band · -0.8 ± 0.2 µJy2026-02-24 02:02 UTC · r band · -1.0 ± 0.2 µJy2026-02-24 02:04 UTC · r band · -1.0 ± 0.2 µJy2026-02-24 02:06 UTC · r band · -0.8 ± 0.2 µJy2026-02-24 02:09 UTC · r band · -0.8 ± 0.1 µJy2026-02-24 02:11 UTC · r band · -0.9 ± 0.2 µJy2026-02-24 02:12 UTC · r band · -0.9 ± 0.2 µJy2026-02-24 02:15 UTC · r band · -1.0 ± 0.2 µJy2026-02-24 02:16 UTC · r band · -0.9 ± 0.2 µJy-5.00.05.0i band · 462025-11-09 06:59 UTC · i band · 4.1 ± 0.4 µJy2025-11-09 07:00 UTC · i band · 3.7 ± 0.4 µJy2025-11-10 05:14 UTC · i band · 3.4 ± 0.2 µJy2025-11-12 06:09 UTC · i band · 3.6 ± 0.2 µJy2025-11-24 07:50 UTC · i band · 1.3 ± 0.2 µJy2025-11-27 05:24 UTC · i band · 0.9 ± 0.2 µJy2025-11-27 05:25 UTC · i band · 0.9 ± 0.2 µJy2026-02-19 01:08 UTC · i band · -1.7 ± 0.2 µJy2026-02-19 01:17 UTC · i band · -2.4 ± 0.2 µJy2026-02-19 01:18 UTC · i band · -2.0 ± 0.2 µJy2026-02-19 01:19 UTC · i band · -2.0 ± 0.2 µJy2026-02-19 01:20 UTC · i band · -2.3 ± 0.2 µJy2026-02-19 01:22 UTC · i band · -1.9 ± 0.2 µJy2026-02-19 01:23 UTC · i band · -2.0 ± 0.2 µJy2026-02-19 01:24 UTC · i band · -2.1 ± 0.2 µJy2026-02-19 01:25 UTC · i band · -2.0 ± 0.2 µJy2026-02-19 01:27 UTC · i band · -2.0 ± 0.2 µJy2026-02-20 00:35 UTC · i band · -1.7 ± 0.3 µJy2026-02-20 00:38 UTC · i band · -2.2 ± 0.3 µJy2026-02-20 00:39 UTC · i band · -1.8 ± 0.3 µJy2026-02-20 00:40 UTC · i band · -2.1 ± 0.2 µJy2026-02-20 00:43 UTC · i band · -2.2 ± 0.2 µJy2026-02-20 00:46 UTC · i band · -2.3 ± 0.2 µJy2026-02-20 00:47 UTC · i band · -2.0 ± 0.2 µJy2026-02-20 00:48 UTC · i band · -2.3 ± 0.2 µJy2026-02-20 00:49 UTC · i band · -2.1 ± 0.2 µJy2026-02-20 00:51 UTC · i band · -2.0 ± 0.2 µJy2026-02-20 00:52 UTC · i band · -2.0 ± 0.2 µJy2026-02-20 00:53 UTC · i band · -2.3 ± 0.2 µJy2026-02-24 00:33 UTC · i band · -2.0 ± 0.2 µJy2026-02-24 00:36 UTC · i band · -2.5 ± 0.2 µJy2026-02-24 00:59 UTC · i band · -2.0 ± 0.2 µJy2026-02-24 01:00 UTC · i band · -1.5 ± 0.2 µJy2026-02-24 01:01 UTC · i band · -2.3 ± 0.2 µJy2026-02-24 01:03 UTC · i band · -2.0 ± 0.2 µJy2026-02-24 01:04 UTC · i band · -2.1 ± 0.2 µJy2026-02-24 01:05 UTC · i band · -2.5 ± 0.2 µJy2026-02-24 01:06 UTC · i band · -2.3 ± 0.2 µJy2026-02-24 01:08 UTC · i band · -2.3 ± 0.2 µJy2026-02-24 01:09 UTC · i band · -2.4 ± 0.2 µJy2026-02-24 01:10 UTC · i band · -1.9 ± 0.2 µJy2026-02-24 01:11 UTC · i band · -2.0 ± 0.2 µJy2026-02-24 01:13 UTC · i band · -2.2 ± 0.2 µJy2026-07-14 10:02 UTC · i band · -3.8 ± 0.5 µJy2026-10-30 03:27 UTC · i band · -2.8 ± 0.4 µJy2026-10-30 03:27 UTC · i band · -2.8 ± 0.4 µJy-5.00.05.0Nov 21Mar 1Jun 9Sep 17z band · 72025-11-11 07:53 UTC · z band · 2.6 ± 0.5 µJy2025-11-23 05:42 UTC · z band · 2.0 ± 0.4 µJy2026-01-06 03:43 UTC · z band · -1.7 ± 0.3 µJy2026-02-19 01:57 UTC · z band · -2.0 ± 0.4 µJy2026-02-19 02:04 UTC · z band · -2.5 ± 0.4 µJy2026-02-20 02:20 UTC · z band · -1.9 ± 0.4 µJy2026-02-24 01:42 UTC · z band · -2.2 ± 0.3 µJy
Difference flux (µJy). Times in UTC. Hover a point for its value.
Data table (111 points)
Time (UTC)MJDBandFlux (µJy)Error
2025-11-05 05:34 UTC60984.2323r5.60.4
2025-11-05 06:04 UTC60984.2533r4.90.4
2025-11-08 06:43 UTC60987.2805g2.00.3
2025-11-08 06:44 UTC60987.2809g1.50.3
2025-11-09 06:59 UTC60988.2916i4.10.4
2025-11-09 07:00 UTC60988.2921i3.70.4
2025-11-10 05:14 UTC60989.2182i3.40.2
2025-11-11 07:50 UTC60990.3264r3.50.2
2025-11-11 07:53 UTC60990.3287z2.60.5
2025-11-12 06:09 UTC60991.2567i3.60.2
2025-11-12 06:13 UTC60991.2590g0.90.1
2025-11-23 05:33 UTC61002.2313r0.90.1
2025-11-23 05:42 UTC61002.2378z2.00.4
2025-11-23 05:49 UTC61002.2429r0.90.2
2025-11-24 07:50 UTC61003.3268i1.30.2
2025-11-27 05:24 UTC61006.2255i0.90.2
2025-11-27 05:25 UTC61006.2260i0.90.2
2026-01-06 03:43 UTC61046.1551z-1.70.3
2026-02-19 01:08 UTC61090.0476i-1.70.2
2026-02-19 01:17 UTC61090.0535i-2.40.2
2026-02-19 01:18 UTC61090.0544i-2.00.2
2026-02-19 01:19 UTC61090.0553i-2.00.2
2026-02-19 01:20 UTC61090.0561i-2.30.2
2026-02-19 01:22 UTC61090.0570i-1.90.2
2026-02-19 01:23 UTC61090.0579i-2.00.2
2026-02-19 01:24 UTC61090.0588i-2.10.2
2026-02-19 01:25 UTC61090.0596i-2.00.2
2026-02-19 01:27 UTC61090.0605i-2.00.2
2026-02-19 01:38 UTC61090.0682g-0.80.1
2026-02-19 01:46 UTC61090.0737g-0.80.1
2026-02-19 01:47 UTC61090.0745g-0.70.1
2026-02-19 01:57 UTC61090.0813z-2.00.4
2026-02-19 02:04 UTC61090.0865z-2.50.4
2026-02-19 02:12 UTC61090.0923r-1.10.2
2026-02-19 02:14 UTC61090.0932r-1.10.2
2026-02-19 02:15 UTC61090.0941r-1.60.2
2026-02-19 02:16 UTC61090.0949r-1.00.2
2026-02-19 02:18 UTC61090.0960r-1.30.2
2026-02-19 02:19 UTC61090.0969r-1.10.2
2026-02-19 02:20 UTC61090.0977r-1.20.2
2026-02-19 02:24 UTC61090.1003r-1.00.2
2026-02-19 02:25 UTC61090.1012r-1.30.2
2026-02-19 02:28 UTC61090.1030r-1.00.2
2026-02-19 02:29 UTC61090.1039r-1.20.2
2026-02-19 02:30 UTC61090.1047r-1.10.2
2026-02-20 00:35 UTC61091.0249i-1.70.3
2026-02-20 00:38 UTC61091.0266i-2.20.3
2026-02-20 00:39 UTC61091.0275i-1.80.3
2026-02-20 00:40 UTC61091.0284i-2.10.2
2026-02-20 00:43 UTC61091.0301i-2.20.2
2026-02-20 00:46 UTC61091.0320i-2.30.2
2026-02-20 00:47 UTC61091.0329i-2.00.2
2026-02-20 00:48 UTC61091.0337i-2.30.2
2026-02-20 00:49 UTC61091.0346i-2.10.2
2026-02-20 00:51 UTC61091.0355i-2.00.2
2026-02-20 00:52 UTC61091.0363i-2.00.2
2026-02-20 00:53 UTC61091.0372i-2.30.2
2026-02-20 00:56 UTC61091.0394g-0.70.1
2026-02-20 02:20 UTC61091.0976z-1.90.4
2026-02-20 02:30 UTC61091.1045r-1.00.2
2026-02-20 03:41 UTC61091.1536r-1.40.2
2026-02-20 03:42 UTC61091.1544r-1.10.2
2026-02-20 03:43 UTC61091.1553r-1.30.2
2026-02-20 03:45 UTC61091.1564r-1.00.2
2026-02-20 03:46 UTC61091.1572r-1.30.2
2026-02-20 03:47 UTC61091.1581r-1.00.2
2026-02-20 03:48 UTC61091.1590r-1.10.2
2026-02-20 03:50 UTC61091.1598r-1.20.2
2026-02-23 02:31 UTC61094.1055r-1.30.2
2026-02-23 02:33 UTC61094.1064r-1.10.2
2026-02-23 02:34 UTC61094.1073r-1.00.2
2026-02-23 02:35 UTC61094.1081r-0.90.2
2026-02-23 02:36 UTC61094.1090r-1.20.2
2026-02-23 02:38 UTC61094.1099r-1.10.2
2026-02-23 02:39 UTC61094.1107r-1.00.2
2026-02-23 02:40 UTC61094.1117r-1.30.2
2026-02-23 02:42 UTC61094.1125r-1.10.2
2026-02-23 02:43 UTC61094.1134r-1.10.2
2026-02-23 02:44 UTC61094.1143r-1.10.2
2026-02-23 02:45 UTC61094.1151r-1.00.2
2026-02-23 02:47 UTC61094.1160r-1.30.2
2026-02-23 02:48 UTC61094.1169r-1.10.2
2026-02-24 00:33 UTC61095.0234i-2.00.2
2026-02-24 00:36 UTC61095.0252i-2.50.2
2026-02-24 00:59 UTC61095.0415i-2.00.2
2026-02-24 01:00 UTC61095.0420i-1.50.2
2026-02-24 01:01 UTC61095.0429i-2.30.2
2026-02-24 01:03 UTC61095.0439i-2.00.2
2026-02-24 01:04 UTC61095.0447i-2.10.2
2026-02-24 01:05 UTC61095.0456i-2.50.2
2026-02-24 01:06 UTC61095.0465i-2.30.2
2026-02-24 01:08 UTC61095.0474i-2.30.2
2026-02-24 01:09 UTC61095.0482i-2.40.2
2026-02-24 01:10 UTC61095.0491i-1.90.2
2026-02-24 01:11 UTC61095.0500i-2.00.2
2026-02-24 01:13 UTC61095.0510i-2.20.2
2026-02-24 01:42 UTC61095.0713z-2.20.3
2026-02-24 01:58 UTC61095.0825r-1.00.1
2026-02-24 01:59 UTC61095.0833r-1.00.2
2026-02-24 02:01 UTC61095.0842r-0.80.2
2026-02-24 02:02 UTC61095.0851r-1.00.2
2026-02-24 02:04 UTC61095.0868r-1.00.2
2026-02-24 02:06 UTC61095.0879r-0.80.2
2026-02-24 02:09 UTC61095.0896r-0.80.1
2026-02-24 02:11 UTC61095.0913r-0.90.2
2026-02-24 02:12 UTC61095.0922r-0.90.2
2026-02-24 02:15 UTC61095.0939r-1.00.2
2026-02-24 02:16 UTC61095.0949r-0.90.2
2026-07-14 10:02 UTC61235.4187i-3.80.5
2026-10-30 03:27 UTC61343.1438i-2.80.4
2026-10-30 03:27 UTC61343.1441i-2.80.4

Classification

stamp_classifier_rubin_beta_20260421 · 202

  • Supernova88%
  • Active galactic nucleus7%
  • Asteroid2%

stamp_classifier_rubin_beta · 201

  • Active galactic nucleus59%
  • Supernova21%
  • Artifact17%
More classifiers and versions (1)

stamp_classifier_rubin_beta_20260421 · 2.0.2

  • Supernova88%

Where in the sky

-60°-30°0°+30°+60°0h4h8h12h16h20h24hRA 04:13:42.93, Dec -48:46:35.2
Whole sky, right ascension (hours) across, declination (degrees) up. The dashed curve is the plane of the Milky Way.