RA/DEC (2000)
00:41:57.078 -47:54:40.14
10.487825 -47.91115
Type
SN II
Redshift
0.04794
Discovery ReportClassification Report
Related AstroNotes: 2025-219
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-10 02:22:01.632
TNS AT
Y
Public
Y
Discovery Mag
18.683
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_2025qzz - 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT (None)z=
 ▌SN_2025qzz - 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT (None)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
 ▌ATLAS-STH_ATLAS-03_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
21560 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT 750 G. Csoernyei G. Csoernyei None tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None_0.asci tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None_0.fits Object Quick-reduction spectrum
21559 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT 750 G. Csoernyei G. Csoernyei None tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None.asci tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None.fits Object Quick-reduction spectrum
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-13 15:15:40 - 2025-07-13 15:15:40 2460870.135884 - 2460870.135884 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502377 2025-07-13 15:15:40 2460870.135884 17.92 0.08 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-07-08 18:23:19 - 2025-07-08 18:23:19 2460865.266187 - 2460865.266187 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502376 2025-07-08 18:23:19 2460865.266187 19.5 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-09 05:56:31 - 2025-07-09 05:56:31 2460865.74758 - 2460865.74758 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502289 2025-07-09 05:56:31 2460865.74758 18.34 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-10 02:22:02 - 2025-07-10 02:22:02 2460866.59863 - 2460866.59863 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502290 2025-07-10 02:22:02 2460866.59863 18.683 0.194 18.75 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 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
262418 2025-07-13 16:55:17 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 00:41:57.090 -47:54:39.68 2025-07-13 15:15:40.032 17.92 L-GOTO Other GOTO25eup GOTO N
262380 2025-07-13 08:47:28 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 00:41:57.078 -47:54:40.14 2025-07-10 02:22:01.632 18.683 orange-ATLAS PSN ATLAS25hod ATLAS 2025TNSTR2673....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
21560 2025-07-18 15:01:34 Geza Csornyei G. Csoernyei, M. Mirabile, M. Vioque (ESO), G. Fernandes Goncalves (Federal University of Technology), L. Hauer (University of Vienna), P. M. Lequizamon Pineda (Università degli Studi di Padova), A. Moore (University College Cork), E. Nilson (Lund University), A. Pisapia (INAF-OAS), J. Willingham (Macquarie University) None SN II 0.04794 1 The supernova shows broad signatures of H and He, indicating that it is a young Type II supernova. Redshift adopted from NED. 2025TNSCR2762....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
21560 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT 750 G. Csoernyei G. Csoernyei None tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None_0.asci tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None_0.fits Object Quick-reduction spectrum
21559 2025-07-18 15:00:08 Geza Csornyei G. Csoernyei, M. Mirabile, M. Vioque (ESO), G. Fernandes Goncalves (Federal University of Technology), L. Hauer (University of Vienna), P. M. Lequizamon Pineda (Università degli Studi di Padova), A. Moore (University College Cork), E. Nilson (Lund University), A. Pisapia (INAF-OAS), J. Willingham (Macquarie University) None SN II 0.04794 1 The supernova shows broad signatures of H and He, indicating that it is a young Type II supernova. Redshift adopted from NED. 2025TNSCR2762....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
21559 2025-07-17 08:02:01 ESO-NTT / EFOSC2-NTT 750 G. Csoernyei G. Csoernyei None tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None.asci tns_2025qzz_2025-07-17_08-02-00.808_ESO-NTT_EFOSC2-NTT_None.fits Object Quick-reduction spectrum

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