RA/DEC (2000)
01:24:33.515 +03:47:11.12
21.1396477261 +3.78642125574
Type
SN II
Redshift
0.0078
Discovery ReportClassification Report
Related AstroNotes: 2026-118
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2025-09-29 10:04:16.032
TNS AT
Y
Public
Y
Discovery Mag
21.68
Filter
w-P1
Reporter/s
K. C. Chambers, T. de Boer, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, G. Paek, A. Schultz, I. A. Smith, R. J. Wainscoat (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (University of Oxford / Queen's University Belfast), S. Srivastav (University of Oxford), D. R. Young, M. Fulton, M. Nicholl, T. Moore, J. Weston, C. R. Angus (Queen's University Belfast)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025zjx - 2025-10-02 09:33:27 Gemini-N / GMOS (PASSTA)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-STH_ATLAS-03_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_i
 ▌PS1_GPC1_w
   
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
22140 2025-10-02 09:33:27 Gemini-N / GMOS 600 C. Figura J. Andrews PASSTA tns_2025zjx_2025-10-02_09-33-27.16_Gemini-N_GMOS_PASSTA.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-11-15 18:19:38 - 2025-11-17 20:34:56 2460995.26364 - 2460997.35759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532180 2025-11-17 20:34:56 2460997.35759 19.51 ABMag Clear- LAST_LAST-Cam 400
532179 2025-11-15 18:19:38 2460995.26364 20.82 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-09-28 15:01:40 - 2025-10-02 13:54:43 2460947.126157 - 2460951.079671 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521955 2025-10-02 13:54:43 2460951.079671 18.81 0.1 ABMag L-GOTO GOTO-S_GOTO-3 180
521954 2025-09-28 15:01:40 2460947.126157 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-10-01 02:03:13 - 2025-10-01 02:03:13 2460949.58557 - 2460949.58557 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521874 2025-10-01 02:03:13 2460949.58557 18.61 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-10-01 05:20:20 - 2025-10-01 05:20:20 2460949.7224537 - 2460949.7224537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521800 2025-10-01 05:20:20 2460949.7224537 20.28 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-10-02 03:23:57 - 2025-10-02 03:23:57 2460950.6416319 - 2460950.6416319 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521801 2025-10-02 03:23:57 2460950.6416319 18.77 0.08 20.09 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-10-09 08:52:38 - 2025-10-13 07:52:57 2460957.8698843 - 2460961.8284375 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523444 2025-10-13 07:52:57 2460961.8284375 18.4824 0.0665512 ABMag r-ZTF P48_ZTF-Cam
523443 2025-10-09 08:52:38 2460957.8698843 18.5689 0.134554 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-25 09:47:09 - 2025-09-25 09:47:09 2460943.9077431 - 2460943.9077431 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523442 2025-09-25 09:47:09 2460943.9077431 20.5893 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-02 08:59:57 - 2025-10-02 08:59:57 2460950.87497 - 2460950.87497 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521875 2025-10-02 08:59:57 2460950.87497 18.273 0.187 19.17 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
i-P1 PS1_GPC1 2025-10-15 07:35:47 - 2025-10-15 07:35:47 2460963.81652 - 2460963.81652 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524096 2025-10-15 07:35:47 2460963.81652 18.47 0.04 20.7 ABMag i-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2025-09-29 10:04:16 - 2025-09-29 10:04:16 2460947.91963 - 2460947.91963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521768 2025-09-29 10:04:16 2460947.91963 21.68 0.16 22 ABMag w-P1 PS1_GPC1 45 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
277476 2025-11-18 05:31:02 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 01:24:33.488 +03:47:11.71 2025-11-17 20:34:55.776 19.51 Clear- PSN LAST N
273483 2025-10-15 17:31:49 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 01:24:33.515 +03:47:11.12 2025-10-15 07:35:47.328 18.47 i-P1 PSN PS25hrz Pan-STARRS N
273142 2025-10-13 11:21:59 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:24:33.515 +03:47:11.19 2025-10-09 08:52:38.003 18.5689 r-ZTF PSN ZTF25abwhivl ZTF N
272362 2025-10-02 20:13:47 GOTO_bot B. Godson, D. O'Neill, K. Ackley et al. GOTO GOTO 01:24:33.518 +03:47:11.47 2025-10-02 13:54:43.488 18.81 L-GOTO Other GOTO25ies GOTO N
272319 2025-10-02 12:20:46 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:24:33.515 +03:47:11.21 2025-10-02 08:59:57.408 18.273 orange-ATLAS PSN ATLAS25mhp ATLAS N
272285 2025-10-02 07:56:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 01:24:33.527 +03:47:10.90 2025-10-02 03:23:57.000 18.77 BG-q-BlackGem PSN BGEM J012433.53+034710.9 BlackGEM N
272272 2025-10-01 21:53:27 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:24:33.513 +03:47:11.16 2025-09-29 10:04:16.032 21.68 w-P1 PSN PS25hrz Pan-STARRS 2025TNSTR3948....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22140 2025-10-02 10:55:49 Jennifer Andrews Jennifer Andrews (Gemini-N/NOIRLab), B. Hsu (U of Arizona), M. Shrestha (Monash U), and D. Sand (U of Arizona) on behalf of the PASSTA collaboration PASSTA SN II 0.0078 1 PASSTA We report the classification of SN 2025zjx as a reddened young SN II with interaction based on optical spectra obtained on 2025-10-02 using the GMOS spectrograph on the Gemini-N telescope from Gemini Large and Long Programs ( GN-LP-112). This target was classified using SNID (Blondin & Tonry 2007) and provided a best match to a SN IIn or a Type II SN with flash features at z=0.0078. We encourage follow-up spectroscopy. For more information on the Public AEON Spectroscopic Survey for Transient Astronomy (PASSTA), visit astro-passta.github.io or Astronote 2025-280. 2025TNSCR3971....1A
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
22140 2025-10-02 09:33:27 Gemini-N / GMOS 600 C. Figura J. Andrews PASSTA tns_2025zjx_2025-10-02_09-33-27.16_Gemini-N_GMOS_PASSTA.txt Object

Comments

TNS
System

Wed, 10/15/2025 - 17:31

Object coordinates updated

Object coordinates updated according to AT-report 273483 of Group Pan-STARRS
Previous RA, DEC: 01:24:33.513, +03:47:11.16 (21.1396385745, +3.78643463745)
Updated RA, DEC: 01:24:33.515, +03:47:11.12 (21.1396477261, +3.78642125574)