RA/DEC (2000)
06:24:25.994 -06:59:28.38
96.1083066667 -6.99121666667
Type
SN II
Redshift
0.0213
Discovery ReportClassification Report
Related AstroNotes: 2025-290
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-13 02:51:05.184
TNS AT
Y
Public
Y
Discovery Mag
18.694
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, P. J. Broda (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_2025xqy - 2025-09-22 08:47:36 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-N_GOTO-2_L
 ▌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
22074 2025-09-22 08:47:36 ESO-NTT / EFOSC2-NTT 900 Ben Warwick, Anwesha Sahu Ben Godson, Joe Lyman ePESSTO+ tns_2025xqy_2025-09-22_08-47-36_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025xqy_2025-09-22_08-47-36_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-09-02 17:54:21 - 2025-09-02 17:54:21 2460921.246082 - 2460921.246082 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518182 2025-09-02 17:54:21 2460921.246082 19.3 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-18 05:28:48 - 2025-09-18 05:28:48 2460936.728325 - 2460936.728325 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518183 2025-09-18 05:28:48 2460936.728325 19.03 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-10 03:31:25 - 2025-09-13 02:51:05 2460928.64682 - 2460931.61881 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517542 2025-09-13 02:51:05 2460931.61881 18.694 0.169 18.91 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
517541 2025-09-10 03:31:25 2460928.64682 18.28 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 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
270508 2025-09-18 08:21:37 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 06:24:26.007 -06:59:29.39 2025-09-18 05:28:47.712 19.03 L-GOTO Other GOTO25hgk GOTO N
270232 2025-09-15 19:56:13 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 06:24:25.994 -06:59:28.38 2025-09-13 02:51:05.184 18.694 orange-ATLAS PSN ATLAS25llq ATLAS 2025TNSTR3706....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
22074 2025-09-22 13:36:22 ePESSTOplus_Bot1 Ben Warwick, Anwesha Sahu, Ben Godson, Joe Lyman, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN II 0.0213 1 ePESSTO+ 2025TNSCR3813....1W
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
22074 2025-09-22 08:47:36 ESO-NTT / EFOSC2-NTT 900 Ben Warwick, Anwesha Sahu Ben Godson, Joe Lyman ePESSTO+ tns_2025xqy_2025-09-22_08-47-36_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025xqy_2025-09-22_08-47-36_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments