RA/DEC (2000)
00:08:47.471 -09:35:40.49
2.1977958 -9.5945794
Type
SLSN-I
Redshift
0.19
Discovery ReportClassification Report
Related AstroNotes: 2025-314
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-24 06:03:18.002
TNS AT
Y
Public
Y
Discovery Mag
20.544
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025abvv - 2025-11-09 21:18:34 NOT / ALFOSC (ZTF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22388 2025-11-09 21:18:34 NOT / ALFOSC 1800 Kostas Tsalapatas and Jesper Sollerman Kostas Tsalapatas ZTF tns_2025abvv_2025-11-09_21-18-34.425_NOT_ALFOSC_ZTF.ascii Object Good matches with Gaia 16apd at z = 0.19, around maximum light.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-10-29 16:49:18 - 2025-11-16 16:08:10 2460978.2009 - 2460996.17234 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531480 2025-11-16 16:08:10 2460996.17234 18.98 ABMag Clear- LAST_LAST-Cam 400
531479 2025-10-29 16:49:18 2460978.2009 19.79 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-11-04 12:12:45 - 2025-11-04 12:12:45 2460984.008853 - 2460984.008853 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529329 2025-11-04 12:12:45 2460984.008853 18.6 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-11-11 02:34:09 - 2025-11-11 02:34:09 2460990.60705 - 2460990.60705 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530568 2025-11-11 02:34:09 2460990.60705 18.624 0.108 19.31 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-11-08 21:14:36 - 2025-11-08 21:14:36 2460988.38514 - 2460988.38514 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530567 2025-11-08 21:14:36 2460988.38514 19.06 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-11-05 22:48:23 - 2025-11-05 22:48:23 2460985.45027 - 2460985.45027 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529330 2025-11-05 22:48:23 2460985.45027 18.67 0.13 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-10-24 05:32:11 - 2025-10-24 05:32:11 2460972.7306829 - 2460972.7306829 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527552 2025-10-24 05:32:11 2460972.7306829 20.0892 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-24 06:03:18 - 2025-10-29 05:59:51 2460972.7522917 - 2460977.7498958 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527554 2025-10-29 05:59:51 2460977.7498958 19.6716 0.0839708 ABMag g-ZTF P48_ZTF-Cam
527553 2025-10-24 06:03:18 2460972.7522917 20.544 0.200945 ABMag g-ZTF P48_ZTF-Cam
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
277074 2025-11-16 18:41:37 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 00:08:47.498 -09:35:40.14 2025-11-16 16:08:10.176 18.98 Clear- PSN LAST N
276461 2025-11-12 10:44:14 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:08:47.467 -09:35:40.41 2025-11-11 02:34:09.120 18.624 cyan-ATLAS PSN ATLAS25oda ATLAS N
275912 2025-11-06 08:52:00 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 00:08:47.494 -09:35:39.25 2025-11-05 22:48:23.328 18.67 L-GOTO Other GOTO25jpa GOTO N
275112 2025-10-29 07:40:10 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 00:08:47.471 -09:35:40.49 2025-10-24 06:03:18.002 20.544 g-ZTF PSN ZTF25abzyzac ZTF 2025TNSTR4347....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22387 2025-11-10 12:55:52 Steve Schulze Steve Schulze (CIERA), Kostas Tsalapatas and Jesper Sollerman (OKC) report on behalf of the ZTF SLSN Working Group ZTF SLSN-I 0.19 1 ZTF 2025TNSCR4525....1S
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
22388 2025-11-09 21:18:34 NOT / ALFOSC 1800 Kostas Tsalapatas and Jesper Sollerman Kostas Tsalapatas ZTF tns_2025abvv_2025-11-09_21-18-34.425_NOT_ALFOSC_ZTF.ascii Object Good matches with Gaia 16apd at z = 0.19, around maximum light.

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