RA/DEC (2000)
12:14:58.133 +63:47:16.41
183.7422226 +63.7878905
Type
SN Ia
Redshift
0.004846
Discovery ReportClassification Report
Related AstroNotes: 2026-75, 2026-76, 2026-102, 2026-135
Reporting Group
LAST
Discovering Data Source
LAST
Discovery Date
2026-03-17 23:39:59.904
TNS AT
Y
Public
Y
Discovery Mag
19.46
Filter
Clear-
Reporter/s
E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026fvx - 2026-04-10 00:00:00 Other / Other (None)z=
 ▌SN_2026fvx - 2026-03-20 04:27:12 P60 / SEDM (ZTF)z=
 ▌SN_2026fvx - 2026-03-18 20:42:19 Other / Other (None)z=
 ▌SN_2026fvx - 2026-03-18 08:57:27 LDT / Deveny-LMI (LAST)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-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_R
 ▌Other_Other_Clear
   
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
23513 2026-04-10 00:00:00 Other / Other 16200 G.Duszanowicz, L.Hermansson G Duszanowicz None tns_sn_2026fvx_2026-04-10_Other_Other_None.txt Object Sandvreten Observatory (MPC: L11). Instrument: T41 OGS 16" f/9 RC & DADOS 200
23308 2026-03-20 04:27:12 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026fvx_2026-03-20_04-27-12.476790_P60_SEDM_ZTF.ascii Object
23309 2026-03-18 20:42:19 Other / Other 4804 R Leadbeater R Leadbeater None tns_2026fvx_2026-03-18_20-42-19_Other_Other_None.dat tns_2026fvx_2026-03-18_20-42-19_Other_Other_None.fit Object R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
23290 2026-03-18 08:57:27 LDT / Deveny-LMI 900 Erez A. Zimmerman Erez A. Zimmerman LAST tns_2026fvx_2026-03-18_08-57-27.21_LDT_Deveny-LMI_LAST.ascii tns_2026fvx_2026-03-18_08-57-27.21_LDT_Deveny-LMI_LAST.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-03-15 02:48:36 - 2026-03-15 02:48:36 2461114.61708 - 2461114.61708 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570064 2026-03-15 02:48:36 2461114.61708 19.34 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2026-02-26 23:23:54 - 2026-03-17 23:40:00 2461098.47493 - 2461117.48611 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565587 2026-03-17 23:40:00 2461117.48611 19.46 ABMag Clear- LAST_LAST-Cam 400
565586 2026-02-26 23:23:54 2461098.47493 19.97 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-01-28 01:41:24 - 2026-04-21 02:34:45 2461068.570417 - 2461151.607463 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
578457 2026-04-21 02:34:45 2461151.607463 13.84 0.01 ABMag L-GOTO GOTO-N_GOTO-1 360
578456 2026-01-28 01:41:24 2461068.570417 19.8 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2026-03-17 08:10:29 - 2026-03-18 07:21:17 2461116.8406134 - 2461117.8064468 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565683 2026-03-18 07:21:17 2461117.8064468 18.3829 0.0733443 ABMag r-ZTF P48_ZTF-Cam
565682 2026-03-17 08:10:29 2461116.8406134 20.6112 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-03-18 09:17:43 - 2026-03-18 09:17:43 2461117.8873032 - 2461117.8873032 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
565684 2026-03-18 09:17:43 2461117.8873032 18.4016 0.0785552 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-03-25 09:35:40 - 2026-03-25 09:35:40 2461124.89977 - 2461124.89977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
570065 2026-03-25 09:35:40 2461124.89977 14.352 0.005 19.15 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
R-Cousins Other_Other 2026-05-17 00:00:00 - 2026-05-17 00:00:00 2461177.5 - 2461177.5 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587753 2026-05-17 00:00:00 2461177.5 16 0.1 ABMag R-Cousins Other_Other 180 Voronov Andrey Follow-up observation of SN 2026fvx. ASI533MM Pro with R filter. Aperture photometry with ASTAP.
Clear- Other_Other 2026-05-03 00:00:00 - 2026-05-17 00:00:00 2461163.5 - 2461177.5 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587754 2026-05-17 00:00:00 2461177.5 16.5 0.1 ABMag Clear- Other_Other 180 Voronov Andrey Follow-up observation of SN 2026fvx. ASI585MM with UV/IR Cut (Clear). Aperture photometry with ASTAP.
587761 2026-05-03 00:00:00 2461163.5 15.5 0.1 ABMag Clear- Other_Other 180 Voronov Andrey Follow-up observation of SN 2026kid in NGC 5907. Dual-rig: two Samyang 135mm f/2 lenses + ZWO 533MM Pro (R filter) Data obtained on May 3, 2026. Aperture photometry with ASTAP.
587762 2026-05-03 00:00:00 2461163.5 16 0.1 ABMag Clear- Other_Other Follow-up observation of SN 2026kid in NGC 5907. Dual-rig: two Samyang 135mm f/2 lenses+ZWO 585MM (UV/IR Cut, Clear filter). Data obtained on May 3, 2026. Aperture photometry with ASTAP, calibrated against Gaia DR3 field stars.
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
306467 2026-05-28 15:06:07 Andrey Voronov Andrey Voronov, Stanislav Chechenin 12:14:58.133 +63:47:16.41 2026-05-03 00:00:00.000 15.5 Clear- 1 PSN NGC 5907 Dual rig N
Related files
File Comments Last Modified (UT) Modified By
tns_2026fvx_atrep_306467.jpg 2026-05-28 18:22:19 Andrey Voronov
306461 2026-05-28 13:56:39 Andrey Voronov Andrey Voronov 12:14:58.133 +63:47:16.41 2026-05-17 00:00:00.000 16 R-Cousins 1 PSN N
Related files
File Comments Last Modified (UT) Modified By
tns_2026fvx_atrep_306461.jpg 2026-05-28 18:56:21 Andrey Voronov
301745 2026-04-27 22:39:41 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 12:14:58.119 +63:47:16.46 2026-04-21 02:34:44.544 13.84 L-GOTO Other GOTO26duk GOTO N
297346 2026-03-25 15:44:51 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:14:58.123 +63:47:16.40 2026-03-25 09:35:40.128 14.352 orange-ATLAS PSN ATLAS26dgt ATLAS N
294930 2026-03-18 11:25:21 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:14:58.133 +63:47:16.41 2026-03-18 07:21:17.003 18.3829 r-ZTF PSN ZTF26aamqluf ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
294890 2026-03-18 07:15:19 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 12:14:58.059 +63:47:16.02 2026-03-17 23:39:59.904 19.46 Clear- PSN LAST 2026TNSTR1159....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23511 2026-04-19 07:11:33 Grzegorz Duszanowicz Grzegorz Duszanowicz, Lars Hermansson None SN Ia 0.004846 1 2026TNSCR1722....1D
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
23513 2026-04-10 00:00:00 Other / Other 16200 G.Duszanowicz, L.Hermansson G Duszanowicz None tns_sn_2026fvx_2026-04-10_Other_Other_None.txt Object Sandvreten Observatory (MPC: L11). Instrument: T41 OGS 16" f/9 RC & DADOS 200
23308 2026-03-20 17:04:24 Robin Leadbeater Robin Leadbeater None SN Ia 0.004846 1 1 2026TNSCR1208....1L
Related files
File Comments Last Modified (UT) Modified By
tns_2026fvx_atrep_23308.png Best match from SNID-SAGE 2026-03-20 17:06:26 Robin Leadbeater
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
23309 2026-03-18 20:42:19 Other / Other 4804 R Leadbeater R Leadbeater None tns_2026fvx_2026-03-18_20-42-19_Other_Other_None.dat tns_2026fvx_2026-03-18_20-42-19_Other_Other_None.fit Object R~130 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
23307 2026-03-20 15:37:43 ZTF_Bot1 C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.004846 1 ZTF 2026TNSCR1209....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
23308 2026-03-20 04:27:12 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026fvx_2026-03-20_04-27-12.476790_P60_SEDM_ZTF.ascii Object
23289 2026-03-18 10:11:13 Erez Zimmerman Erez A. Zimmerman, Avishay Gal-Yam, Steve Schulze, Eran O. Ofek, Ruslan Konno LAST SN Ia 0.004846 1 1 LAST Based on SNID-SAGE results 2026TNSCR1168....1Z
Related files
File Comments Last Modified (UT) Modified By
tns_2026fvx_atrep_23289_LAST.jpeg SNID Sage fit 2026-03-18 10:11:13 Erez Zimmerman
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
23290 2026-03-18 08:57:27 LDT / Deveny-LMI 900 Erez A. Zimmerman Erez A. Zimmerman LAST tns_2026fvx_2026-03-18_08-57-27.21_LDT_Deveny-LMI_LAST.ascii tns_2026fvx_2026-03-18_08-57-27.21_LDT_Deveny-LMI_LAST.fits Object

Comments

TNS
System

Wed, 03/18/2026 - 11:25

Object coordinates updated

Object coordinates updated according to AT-report 294930 of Group ZTF
Previous RA, DEC: 12:14:58.059, +63:47:16.02 (183.7419128418, +63.787784576416)
Updated RA, DEC: 12:14:58.133, +63:47:16.41 (183.7422226, +63.7878905)