RA/DEC (2000)
09:07:48.477 +21:10:47.96
136.95198891111 +21.179988888889
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-04 12:07:26.999
TNS AT
Y
Public
Y
Discovery Mag
19.5553
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_2025zpz - 2025-10-22 05:06:39 NOT / ALFOSC (None)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

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
22267 2025-10-22 05:06:39 NOT / ALFOSC 2700 Essi Björkqvist, Venla Kangas, Suman Sahu, Wili Sirén None tns_2025zpz_2025-10-22_05-06-39_NOT_ALFOSC_None.ascii tns_2025zpz_2025-10-22_05-06-39_NOT_ALFOSC_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-03 05:39:13 - 2025-10-05 05:33:25 2460951.735566 - 2460953.73154 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524836 2025-10-05 05:33:25 2460953.73154 19.16 0.18 ABMag L-GOTO GOTO-N_GOTO-2 180
524835 2025-10-03 05:39:13 2460951.735566 19.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-25 12:30:49 - 2025-09-25 12:30:49 2460944.0214005 - 2460944.0214005 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522417 2025-09-25 12:30:49 2460944.0214005 20.1887 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-04 12:07:27 - 2025-10-06 11:44:45 2460953.0051736 - 2460954.9894097 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522419 2025-10-06 11:44:45 2460954.9894097 19.1555 0.208674 ABMag g-ZTF P48_ZTF-Cam
522418 2025-10-04 12:07:27 2460953.0051736 19.5553 0.154979 ABMag g-ZTF P48_ZTF-Cam
524678 2025-10-04 12:07:27 2460953.0051736 19.5553 0.154979 20.0414 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-16 15:37:41 - 2025-10-16 15:37:41 2460965.15117 - 2460965.15117 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524961 2025-10-16 15:37:41 2460965.15117 15.96 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-10-19 14:27:49 - 2025-10-19 14:27:49 2460968.10265 - 2460968.10265 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524962 2025-10-19 14:27:49 2460968.10265 18.818 0.15 19.15 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
273953 2025-10-19 17:19:56 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:07:48.483 +21:10:48.34 2025-10-19 14:27:48.960 18.818 orange-ATLAS PSN ATLAS25mxx ATLAS N
273889 2025-10-19 10:34:27 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 09:07:48.469 +21:10:47.29 2025-10-05 05:33:25.056 19.16 L-GOTO Other GOTO25iqs GOTO N
273819 2025-10-18 18:15:25 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 09:07:48.477 +21:10:47.96 2025-10-04 12:07:26.999 19.5553 g-ZTF PSN ZTF25abvqhcq ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abvqhcq N
272573 2025-10-06 13:34:04 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 09:07:48.475 +21:10:48.01 2025-10-04 12:07:26.999 19.5553 g-ZTF PSN ZTF25abvqhcq ZTF 2025TNSTR4021....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
22267 2025-10-22 12:46:30 Christina Humina Essi Björkqvist, Venla Kangas, Suman Sahu, Wili Sirén, Erkki Kankare, Christina Humina, Tuomas Kangas (University of Turku), Niko Pyykkinen (NOT) None SN Ia 0.08 1 Classification was done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B) as part of a remote observing course at the University of Turku. AT 2025zpz is well reproduced by a SN Ia spectrum a few days after the peak. Redshift is from spectral match. 2025TNSCR4245....1B
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
22267 2025-10-22 05:06:39 NOT / ALFOSC 2700 Essi Björkqvist, Venla Kangas, Suman Sahu, Wili Sirén None tns_2025zpz_2025-10-22_05-06-39_NOT_ALFOSC_None.ascii tns_2025zpz_2025-10-22_05-06-39_NOT_ALFOSC_None.fits Object

Comments

TNS
System

Sat, 10/18/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 273819 of Group ZTF
Previous RA, DEC: 09:07:48.475, +21:10:48.01 (136.9519772, +21.1800039)
Updated RA, DEC: 09:07:48.477, +21:10:47.96 (136.95198891111, +21.179988888889)