RA/DEC (2000)
21:32:59.965 -32:08:52.38
323.249856239 -32.1478824472
Type
SN Ia
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-15 22:10:22.368
TNS AT
Y
Public
Y
Discovery Mag
18.05
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), 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_2025npi - 2025-07-02 14:10:02 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
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌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
21458 2025-07-02 14:10:02 UH88 / SNIFS 1800 Tucker SCAT tns_2025npi_2025-07-02_14-10-02_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-18 13:13:33 - 2025-06-18 13:13:33 2460845.051077 - 2460845.051077 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496205 2025-06-18 13:13:33 2460845.051077 17.61 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-06-06 16:55:21 - 2025-06-06 16:55:21 2460833.205096 - 2460833.205096 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496204 2025-06-06 16:55:21 2460833.205096 18.8 ABMag L-GOTO GOTO-S_GOTO-3 135 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-06-13 00:07:34 - 2025-06-15 22:10:22 2460839.50525 - 2460842.42387 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495376 2025-06-15 22:10:22 2460842.42387 18.05 0.186 18.09 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
495375 2025-06-13 00:07:34 2460839.50525 18.58 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-07-01 12:24:47 - 2025-07-01 12:24:47 2460858.01721 - 2460858.01721 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501697 2025-07-01 12:24:47 2460858.01721 17.85 0.02 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
261991 2025-07-10 08:59:03 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:32:59.965 -32:08:52.38 2025-07-01 12:24:46.944 17.85 w-P1 PSN PS25etw Pan-STARRS N
259063 2025-06-18 16:19:35 GOTO_bot A. Kumar,T. Killestein,L. Kelsey et al. GOTO GOTO 21:32:59.930 -32:08:52.91 2025-06-18 13:13:33.312 17.61 L-GOTO Other GOTO25dre GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Antonio Pasqua, Anastasia Prybytko, Jason Alarcon, Henryk Krawczyk, Virgilio Gonano N
258696 2025-06-16 05:50:05 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:32:59.955 -32:08:52.29 2025-06-15 22:10:22.368 18.05 orange-ATLAS PSN ATLAS25gel ATLAS 2025TNSTR2234....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
21458 2025-07-02 21:19:29 Michael Tucker M. A. Tucker (CCAPP/OSU) on behalf of SCAT SCAT SN Ia 0.05 1 SCAT Redshift estimated with SNID 2025TNSCR2528....1T
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
21458 2025-07-02 14:10:02 UH88 / SNIFS 1800 Tucker SCAT tns_2025npi_2025-07-02_14-10-02_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Thu, 07/10/2025 - 08:59

Object coordinates updated

Object coordinates updated according to AT-report 261991 of Group Pan-STARRS
Previous RA, DEC: 21:32:59.955, -32:08:52.29 (323.249814545, -32.1478590909)
Updated RA, DEC: 21:32:59.965, -32:08:52.38 (323.249856239, -32.1478824472)