RA/DEC (2000)
22:53:48.801 +20:12:35.90
343.45333913469 +20.209972676835
Type
SN Ia-91bg-like
Redshift
0.022
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2026-09-29 07:40:10.001
TNS AT
Y
Public
Y
Host Name
NGC7409
Comments
[Object cross-matched with NGC7409]
Discovery Mag
18.8238
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_2026adfq - 2026-10-02 01:24:06 NOT / ALFOSC (NUTS2)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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌PS2_GPC2_w
 ▌PS2_GPC2_y
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
24817 2026-10-02 01:24:06 NOT / ALFOSC 2400 T. Pursimo (NOT), A. Krzyzaniak (NOT) N. Elias-Rosa NUTS2 tns_2026adfq_2026-10-02_01-24-06.462_NOT_ALFOSC_NUTS2.dat tns_2026adfq_2026-10-02_01-24-06.462_NOT_ALFOSC_NUTS2.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2026-10-05 05:59:33 - 2026-10-05 05:59:33 2461318.74969 - 2461318.74969 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
626387 2026-10-05 05:59:33 2461318.74969 17.55 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
y-P1 PS2_GPC2 2026-10-03 07:07:35 - 2026-10-03 07:07:35 2461316.79693 - 2461316.79693 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
624468 2026-10-03 07:07:35 2461316.79693 18.02 0.17 18.3 ABMag y-P1 PS2_GPC2 27 Robot
L-GOTO GOTO-N_GOTO-1 2026-09-24 01:32:43 - 2026-09-29 21:40:56 2461307.56439 - 2461313.403428 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
622704 2026-09-29 21:40:56 2461313.403428 18.71 0.08 ABMag L-GOTO GOTO-N_GOTO-1 180
622703 2026-09-24 01:32:43 2461307.56439 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-09-29 09:14:09 - 2026-09-29 09:14:09 2461312.8848264 - 2461312.8848264 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
622637 2026-09-29 09:14:09 2461312.8848264 18.5717 0.109121 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-09-26 08:29:57 - 2026-09-29 07:40:10 2461309.8541319 - 2461312.8195602 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
622636 2026-09-29 07:40:10 2461312.8195602 18.8238 0.162188 ABMag g-ZTF P48_ZTF-Cam
622635 2026-09-26 08:29:57 2461309.8541319 18.6349 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-09-28 09:57:14 - 2026-10-01 09:25:17 2461311.91475 - 2461314.89256 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
623345 2026-10-01 09:25:17 2461314.89256 18.09 0.085 19.36 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
623344 2026-09-28 09:57:14 2461311.91475 18.58 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
327765 2026-10-10 10:58:18 PS1_Bot1 K. C. Chambers, T. de Boer, M. Huber et al. Pan-STARRS Pan-STARRS 22:53:48.801 +20:12:35.90 2026-10-05 05:59:33.216 17.55 w-P1 PSN PS26jjh Pan-STARRS N
326800 2026-10-04 18:17:25 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 22:53:48.808 +20:12:35.87 2026-10-03 07:07:34.752 18.02 y-P1 PSN PS26jjh Pan-STARRS N
326107 2026-10-01 21:32:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:53:48.802 +20:12:35.79 2026-10-01 09:25:17.184 18.09 orange-ATLAS PSN ATLAS26lxv ATLAS N
325762 2026-09-29 23:14:40 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 22:53:48.791 +20:12:35.91 2026-09-29 21:40:56.352 18.71 L-GOTO Other GOTO26khk GOTO N
325722 2026-09-29 11:52:57 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 22:53:48.803 +20:12:35.95 2026-09-29 07:40:10.001 18.8238 g-ZTF PSN ZTF26abxxhpi ZTF 2026TNSTR3917....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
24809 2026-10-02 18:24:34 Maximilian Stritzinger M. Stritzinger (Aarhus), N.Elias-Rosa (Padua), C. Pfeffer (IfA, Hawaii), L. Galbany (Barcelona), G. Showerman (IfA, Hawaii) W. Hoogendam (IfA, Hawaii), N. Morrell (LCO), C. R. Burns (Carnegie), E. Y. Hsiao (FSU), H. Xiao (FSU) NUTS2 SN Ia-91bg-like 0.022 1 NUTS2, POISE Photometry obtained by POISE indicates that the object is still pre-maximum. 2026TNSCR3965....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
24817 2026-10-02 01:24:06 NOT / ALFOSC 2400 T. Pursimo (NOT), A. Krzyzaniak (NOT) N. Elias-Rosa NUTS2 tns_2026adfq_2026-10-02_01-24-06.462_NOT_ALFOSC_NUTS2.dat tns_2026adfq_2026-10-02_01-24-06.462_NOT_ALFOSC_NUTS2.fits Object

Comments

TNS
System

Sat, 10/10/2026 - 10:58

Object coordinates updated

Object coordinates updated according to AT-report 327765 of Group Pan-STARRS
Previous RA, DEC: 22:53:48.808, +20:12:35.87 (343.453365351, +20.2099640493)
Updated RA, DEC: 22:53:48.801, +20:12:35.90 (343.45333913469, +20.209972676835)

TNS
System

Sun, 10/04/2026 - 18:17

Object coordinates updated

Object coordinates updated according to AT-report 326800 of Group Pan-STARRS
Previous RA, DEC: 22:53:48.803, +20:12:35.95 (343.453347, +20.2099861)
Updated RA, DEC: 22:53:48.808, +20:12:35.87 (343.453365351, +20.2099640493)