RA/DEC (2000)
22:40:59.820 -01:18:23.05
340.249248802 -1.3064036752
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-09-11 05:42:28.002
TNS AT
Y
Public
Y
Host Name
SDSS J224059.82-011823.6
Discovery Mag
19.2162
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025xgf - 2025-09-17 07:41:20 P60 / SEDM (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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌LAST_LAST-Cam_Clear
 ▌PS2_GPC2_g
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
   
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
22041 2025-09-17 07:41:20 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xgf_2025-09-17_07-41-20.118105_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-12 04:23:25 - 2025-09-12 04:23:25 2460930.68293 - 2460930.68293 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516664 2025-09-12 04:23:25 2460930.68293 18.75 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2025-09-09 22:54:51 - 2025-09-11 17:40:49 2460928.45476 - 2460930.23668 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516533 2025-09-11 17:40:49 2460930.23668 19.44 ABMag Clear- LAST_LAST-Cam 400
516532 2025-09-09 22:54:51 2460928.45476 19.4 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
g-P1 PS2_GPC2 2025-09-17 11:38:29 - 2025-09-17 11:38:29 2460935.98506 - 2460935.98506 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518378 2025-09-17 11:38:29 2460935.98506 18.01 0.02 21 ABMag g-P1 PS2_GPC2 27 Robot
w-P1 PS2_GPC2 2025-11-15 06:43:17 - 2025-11-15 06:43:17 2460994.78006 - 2460994.78006 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553052 2025-11-15 06:43:17 2460994.78006 20.08 0.09 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-12 22:08:14 - 2025-09-12 22:08:14 2460931.42238 - 2460931.42238 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516665 2025-09-12 22:08:14 2460931.42238 19.164 0.179 19.33 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-09-10 21:40:56 - 2025-09-11 21:36:35 2460929.403432 - 2460930.400409 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517958 2025-09-11 21:36:35 2460930.400409 19.09 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
517957 2025-09-10 21:40:56 2460929.403432 18.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-09 07:25:57 - 2025-09-11 05:42:28 2460927.8096875 - 2460929.7378241 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516525 2025-09-11 05:42:28 2460929.7378241 19.2162 0.147633 19.6695 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
519352 2025-09-11 05:42:28 2460929.7378241 19.2162 0.147633 19.6695 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
516524 2025-09-09 07:25:57 2460927.8096875 19.6132 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
519351 2025-09-09 07:25:57 2460927.8096875 19.6132 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
288531 2026-01-23 11:46:37 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:40:59.820 -01:18:23.05 2025-11-15 06:43:17.184 20.08 w-P1 PSN PS25hob Pan-STARRS N
271038 2025-09-23 18:16:57 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 22:40:59.808 -01:18:23.12 2025-09-11 05:42:28.002 19.2162 r-ZTF PSN ZTF25abpxqho ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abpxqho N
270598 2025-09-18 18:30:46 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 22:40:59.816 -01:18:23.16 2025-09-17 11:38:29.184 18.01 g-P1 PSN PS25hob Pan-STARRS N
270412 2025-09-17 07:18:01 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 22:40:59.693 -01:18:22.44 2025-09-11 21:36:35.424 19.09 L-GOTO Other GOTO25gxv GOTO N
269826 2025-09-13 08:52:08 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:40:59.814 -01:18:23.18 2025-09-12 22:08:13.632 19.164 orange-ATLAS PSN ATLAS25lfl ATLAS N
269753 2025-09-11 18:07:12 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 22:40:59.769 -01:18:23.12 2025-09-11 17:40:49.152 19.44 Clear- PSN LAST N
269747 2025-09-11 15:26:08 ALeRCE A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al. ALeRCE ZTF 22:40:59.805 -01:18:23.01 2025-09-11 05:42:28.002 19.2162 r-ZTF PSN SDSS J224059.82-011823.6 ZTF25abpxqho ZTF Early SN candidate (r-rise > 0.21+-0.08 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25abpxqho 2025TNSTR3647....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22041 2025-09-17 08:34:17 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.06 1 ZTF 2025TNSCR3750....1F
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
22041 2025-09-17 07:41:20 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xgf_2025-09-17_07-41-20.118105_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 01/23/2026 - 11:46

Object coordinates updated

Object coordinates updated according to AT-report 288531 of Group Pan-STARRS
Previous RA, DEC: 22:40:59.816, -01:18:23.16 (340.249231257, -1.30643353543)
Updated RA, DEC: 22:40:59.820, -01:18:23.05 (340.249248802, -1.3064036752)

TNS
System

Thu, 09/18/2025 - 18:30

Object coordinates updated

Object coordinates updated according to AT-report 270598 of Group Pan-STARRS
Previous RA, DEC: 22:40:59.805, -01:18:23.01 (340.2491873, -1.3063915)
Updated RA, DEC: 22:40:59.816, -01:18:23.16 (340.249231257, -1.30643353543)