RA/DEC (2000)
08:52:54.797 -06:15:28.93
133.228320221 -6.25803732325
Type
SN Ia
Redshift
0.055
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-26 17:35:03.552
TNS AT
Y
Public
Y
Discovery Mag
18.45
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, 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, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025absf - 2025-10-29 08:36:40 SOAR / Goodman (ZTF)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
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
22321 2025-10-29 08:36:40 SOAR / Goodman Jonathan Carney (UNC), Xander Hall (CMU), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025absf_2025-10-29_08-36-40_SOAR_Goodman_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-24 05:40:49 - 2025-10-24 05:40:49 2460972.73668 - 2460972.73668 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527455 2025-10-24 05:40:49 2460972.73668 20.09 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-10-26 17:35:04 - 2025-10-26 17:35:04 2460975.232676 - 2460975.232676 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527180 2025-10-26 17:35:04 2460975.232676 18.45 0.1 ABMag L-GOTO GOTO-S_GOTO-3 360
L-GOTO GOTO-N_GOTO-2 2025-10-23 04:48:35 - 2025-10-23 04:48:35 2460971.700396 - 2460971.700396 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527179 2025-10-23 04:48:35 2460971.700396 19.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-23 14:44:36 - 2025-11-23 14:44:36 2461003.11431 - 2461003.11431 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544734 2025-11-23 14:44:36 2461003.11431 19.08 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-10-28 02:01:50 - 2025-10-28 02:01:50 2460976.58461 - 2460976.58461 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527456 2025-10-28 02:01:50 2460976.58461 18.379 0.093 19.44 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-10-24 12:26:10 - 2025-10-24 12:26:10 2460973.0181713 - 2460973.0181713 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528120 2025-10-24 12:26:10 2460973.0181713 19.4287 0.0789696 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-22 12:05:56 - 2025-10-31 12:02:20 2460971.0041204 - 2460980.0016204 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528121 2025-10-31 12:02:20 2460980.0016204 18.0699 0.0928614 ABMag g-ZTF P48_ZTF-Cam
528119 2025-10-22 12:05:56 2460971.0041204 19.2826 ABMag g-ZTF P48_ZTF-Cam [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
283616 2025-12-29 15:52:51 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 08:52:54.797 -06:15:28.93 2025-11-23 14:44:36.384 19.08 w-P1 PSN PS25jzk Pan-STARRS N
275361 2025-10-31 12:28:29 Fritz Jacob Wise (LJMU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 08:52:54.797 -06:15:28.90 2025-10-24 12:26:10.000 19.4287 r-ZTF PSN ZTF25acbxksi ZTF N
275059 2025-10-28 10:16:21 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 08:52:54.794 -06:15:29.15 2025-10-28 02:01:50.304 18.379 cyan-ATLAS PSN ATLAS25njy ATLAS N
274931 2025-10-26 23:26:15 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 08:52:54.816 -06:15:29.35 2025-10-26 17:35:03.552 18.45 L-GOTO Other GOTO25jgl GOTO 2025TNSTR4300....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
22321 2025-10-29 19:57:51 Jonathan Carney Jonathan Carney (UNC), Xander Hall (CMU), Igor Andreoni (UNC) ZTF SN Ia 0.055 1 ZTF Classification from SNID. The redshift is given as that of galaxy LEDA 1034956 as reported in GCN Circular 42470. 2025TNSCR4354....1C
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
22321 2025-10-29 08:36:40 SOAR / Goodman Jonathan Carney (UNC), Xander Hall (CMU), Igor Andreoni (UNC) Jonathan Carney (UNC) ZTF tns_2025absf_2025-10-29_08-36-40_SOAR_Goodman_ZTF.ascii Object

Comments

TNS
System

Mon, 12/29/2025 - 15:52

Object coordinates updated

Object coordinates updated according to AT-report 283616 of Group Pan-STARRS
Previous RA, DEC: 08:52:54.797, -06:15:28.90 (133.2283222, -6.2580273)
Updated RA, DEC: 08:52:54.797, -06:15:28.93 (133.228320221, -6.25803732325)

TNS
System

Fri, 10/31/2025 - 12:28

Object coordinates updated

Object coordinates updated according to AT-report 275361 of Group ZTF
Previous RA, DEC: 08:52:54.794, -06:15:29.15 (133.228307, -6.258097)
Updated RA, DEC: 08:52:54.797, -06:15:28.90 (133.2283222, -6.2580273)

TNS
System

Tue, 10/28/2025 - 10:16

Object coordinates updated

Object coordinates updated according to AT-report 275059 of Group ATLAS
Previous RA, DEC: 08:52:54.816, -06:15:29.35 (133.2284, -6.258154)
Updated RA, DEC: 08:52:54.794, -06:15:29.15 (133.228307, -6.258097)