RA/DEC (2000)
03:39:35.706 -23:49:52.96
54.8987739162 -23.831376754
Type
SN Ia
Redshift
0.042
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-04 13:47:53.952
TNS AT
Y
Public
Y
Discovery Mag
19.186
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025wwq - 2025-09-11 13:25:02 UH88 / SNIFS (SCAT)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

 ▌GOTO-S_GOTO-4_L
 ▌PS2_GPC2_i
 ▌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
22009 2025-09-11 13:25:02 UH88 / SNIFS 1500 Hinkle SCAT tns_2025wwq_2025-09-11_13-25-02_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-09-02 16:13:27 - 2025-09-06 15:17:18 2460921.176013 - 2460925.137015 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518211 2025-09-06 15:17:18 2460925.137015 18.49 0.14 ABMag L-GOTO GOTO-S_GOTO-4 180
518210 2025-09-02 16:13:27 2460921.176013 19.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
i-P1 PS2_GPC2 2025-09-08 14:48:17 - 2025-09-08 14:48:17 2460927.11686 - 2460927.11686 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517280 2025-09-08 14:48:17 2460927.11686 18.14 0.04 20.7 ABMag i-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-09-03 15:02:42 - 2025-09-04 13:47:54 2460922.12688 - 2460923.07493 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515613 2025-09-04 13:47:54 2460923.07493 19.186 0.181 19.32 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
515612 2025-09-03 15:02:42 2460922.12688 19.25 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
270522 2025-09-18 08:26:22 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 03:39:35.709 -23:49:52.77 2025-09-06 15:17:17.664 18.49 L-GOTO Other GOTO25hfv GOTO N
270106 2025-09-14 23:40:23 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 03:39:35.706 -23:49:52.96 2025-09-08 14:48:16.704 18.14 i-P1 PSN PS25hmh Pan-STARRS N
269311 2025-09-04 19:42:14 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 03:39:35.698 -23:49:53.05 2025-09-04 13:47:53.952 19.186 orange-ATLAS PSN ATLAS25law ATLAS 2025TNSTR3549....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22009 2025-09-11 16:20:12 Jason Hinkle Jason Hinkle (UIUC) on behalf of SCAT SCAT SN Ia 0.042 1 SCAT Redshift from narrow host emission lines. Cross-correlation with SNID (Blondin & Tonry 2007) gives matches to normal SNe Ia at this redshift. 2025TNSCR3660....1H
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
22009 2025-09-11 13:25:02 UH88 / SNIFS 1500 Hinkle SCAT tns_2025wwq_2025-09-11_13-25-02_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Sun, 09/14/2025 - 23:40

Object coordinates updated

Object coordinates updated according to AT-report 270106 of Group Pan-STARRS
Previous RA, DEC: 03:39:35.698, -23:49:53.05 (54.89874, -23.8314033333)
Updated RA, DEC: 03:39:35.706, -23:49:52.96 (54.8987739162, -23.831376754)