RA/DEC (2000)
05:26:06.582 -32:57:19.66
81.5274240053 -32.9554616367
Type
SN Ia
Redshift
0.037
Discovery ReportClassification Report
Related AstroNotes: 2025-228
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-17 08:48:46.080
TNS AT
Y
Public
Y
Discovery Mag
18.04
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_2025ris - 2025-07-24 09:22:22 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-CHL_ATLAS-04_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
21633 2025-07-24 09:22:22 ESO-NTT / EFOSC2-NTT 800 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025ris_2025-07-24_09-22-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ris_2025-07-24_09-22-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-08-12 18:18:27 - 2025-08-12 18:18:27 2460900.262808 - 2460900.262808 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508291 2025-08-12 18:18:27 2460900.262808 17.66 0.05 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-07-12 19:40:14 - 2025-07-12 19:40:14 2460869.319611 - 2460869.319611 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508290 2025-07-12 19:40:14 2460869.319611 19 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-14 09:57:39 - 2025-07-17 08:48:46 2460870.91503 - 2460873.8672 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503179 2025-07-17 08:48:46 2460873.8672 18.04 0.149 18.4 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503178 2025-07-14 09:57:39 2460870.91503 18.35 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-10-03 14:16:50 - 2025-10-03 14:16:50 2460952.09502 - 2460952.09502 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522302 2025-10-03 14:16:50 2460952.09502 19.78 0.12 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
272515 2025-10-05 08:28:05 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 05:26:06.582 -32:57:19.66 2025-10-03 14:16:49.728 19.78 w-P1 PSN PS25hta Pan-STARRS N
265575 2025-08-12 19:23:39 GOTO_bot A. Kumar, D. O'Neill, K. Ackley et al. GOTO GOTO 05:26:06.572 -32:57:19.56 2025-08-12 18:18:26.784 17.66 L-GOTO Other GOTO25ftc GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: M.T. Mazzucato, Ciro Sirio Perrella, Antonio Pasqua, Henryk Krawczyk, Virgilio Gonano N
262851 2025-07-18 00:52:45 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 05:26:06.563 -32:57:19.73 2025-07-17 08:48:46.080 18.04 orange-ATLAS PSN ATLAS25hti ATLAS 2025TNSTR2748....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
21633 2025-07-24 19:15:51 ePESSTOplus_Bot1 G. Martins, R. Santos, S. González-Gaitán, J. Duarte, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.037 1 ePESSTO+ 2025TNSCR2879....1M
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
21633 2025-07-24 09:22:22 ESO-NTT / EFOSC2-NTT 800 G. Martins, R. Santos S. González-Gaitán, J. Duarte ePESSTO+ tns_2025ris_2025-07-24_09-22-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ris_2025-07-24_09-22-22_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sun, 10/05/2025 - 08:28

Object coordinates updated

Object coordinates updated according to AT-report 272515 of Group Pan-STARRS
Previous RA, DEC: 05:26:06.563, -32:57:19.73 (81.527345, -32.95548)
Updated RA, DEC: 05:26:06.582, -32:57:19.66 (81.5274240053, -32.9554616367)