RA/DEC (2000)
23:31:34.096 +46:18:16.84
352.89206821111 +46.304676755556
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Related AstroNotes: 2025-275
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-24 07:51:45.996
TNS AT
Y
Public
Y
Discovery Mag
20.4796
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025vnv - 2025-08-30 04:17:39 NOT / ALFOSC (GOTO)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
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_Other
   
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
21917 2025-08-30 04:17:39 NOT / ALFOSC 1200 M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025vnv_2025-08-30_04-17-38.552_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-24 05:20:06 - 2025-08-24 05:20:06 2460911.72229 - 2460911.72229 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512826 2025-08-24 05:20:06 2460911.72229 20.14 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2024-07-03 22:20:07 - 2025-10-11 16:44:26 2460495.43064 - 2460960.19752 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522926 2025-10-11 16:44:26 2460960.19752 19.57 ABMag Clear- LAST_LAST-Cam 400
522925 2024-07-03 22:20:07 2460495.43064 22.33 ABMag Clear- LAST_LAST-Cam 19420 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-29 02:15:11 - 2025-08-29 02:15:11 2460916.593885 - 2460916.593885 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513617 2025-08-29 02:15:11 2460916.593885 18.69 0.08 ABMag L-GOTO GOTO-N_GOTO-2 360
L-GOTO GOTO-N_GOTO-1 2025-08-05 04:54:27 - 2025-08-05 04:54:27 2460892.704479 - 2460892.704479 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513616 2025-08-05 04:54:27 2460892.704479 19.9 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-22 08:55:20 - 2025-08-24 07:51:46 2460909.8717593 - 2460911.8276157 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512658 2025-08-24 07:51:46 2460911.8276157 20.4796 0.202064 ABMag r-ZTF P48_ZTF-Cam
515760 2025-08-24 07:51:46 2460911.8276157 20.4796 0.202064 20.8439 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
512657 2025-08-22 08:55:20 2460909.8717593 20.919 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
515759 2025-08-22 08:55:20 2460909.8717593 20.919 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-08-27 07:10:40 - 2025-08-27 07:10:40 2460914.7990741 - 2460914.7990741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512659 2025-08-27 07:10:40 2460914.7990741 19.358 0.0897267 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-08-27 12:44:30 - 2025-08-27 12:44:30 2460915.0309 - 2460915.0309 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512827 2025-08-27 12:44:30 2460915.0309 19.188 0.077 20.14 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 110 Robot
Other- Other_Other 2025-06-05 17:17:24 - 2025-09-28 15:48:57 2460832.22042 - 2460947.15899 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520610 2025-09-28 15:48:57 2460947.15899 18.4 20.2 VegaMag Other- Other_Other 60 Robot MASTER-Tunka
520609 2025-09-28 15:31:46 2460947.14706 18.6 20.1 VegaMag Other- Other_Other 60 Robot MASTER-Tunka
520608 2025-06-05 17:17:24 2460832.22042 19.5 VegaMag Other- Other_Other 60 Robot [Last non detection] MASTER-Tunka
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
272844 2025-10-11 19:28:34 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 23:31:34.108 +46:18:16.56 2025-10-11 16:44:25.728 19.57 Clear- PSN LAST N
271625 2025-09-28 21:14:20 MASTER Ya.Kechin,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 23:31:34.100 +46:18:17.70 2025-09-28 15:31:45.984 18.6 Other- PSN MASTER OT J233134.10+461817.7 MASTER N
269373 2025-09-05 18:15:27 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 23:31:34.096 +46:18:16.84 2025-08-24 07:51:45.996 20.4796 r-ZTF PSN ZTF25abllldx ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abllldx N
268319 2025-08-29 06:54:26 GOTO_bot M. Pursiainen,G. Ramsay,K. Ackley et al. GOTO GOTO 23:31:34.106 +46:18:16.75 2025-08-29 02:15:11.232 18.69 L-GOTO Other GOTO25gnc GOTO N
267889 2025-08-27 16:14:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:31:34.074 +46:18:17.05 2025-08-27 12:44:29.760 19.188 orange-ATLAS PSN ATLAS25knw ATLAS N
267810 2025-08-27 07:39:30 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 23:31:34.096 +46:18:16.93 2025-08-24 07:51:45.996 20.4796 r-ZTF PSN ZTF25abllldx ZTF 2025TNSTR3397....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
21917 2025-08-30 10:01:22 Tom Killestein I. Worssam, M. Pursiainen, D. O'Neill, J. Lyman, T. Killestein, K. Ackley, M. Dyer, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.04 1 GOTO Best matches obtained to templates of SNe Ia around 1 week pre-peak. Redshift estimated from template matching. 2025TNSCR3461....1W
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
21917 2025-08-30 04:17:39 NOT / ALFOSC 1200 M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025vnv_2025-08-30_04-17-38.552_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Fri, 09/05/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 269373 of Group ZTF
Previous RA, DEC: 23:31:34.096, +46:18:16.93 (352.8920679, +46.3047025)
Updated RA, DEC: 23:31:34.096, +46:18:16.84 (352.89206821111, +46.304676755556)