RA/DEC (2000)
09:11:23.812 +62:01:24.60
137.8492168 +62.0234989
Type
SN Ia
Redshift
0.025656
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-24 13:39:25.920
TNS AT
Y
Public
Y
Discovery Mag
17.646
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_2025ymz - 2025-09-25 14:50:08 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-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
22103 2025-09-25 14:50:08 UH88 / SNIFS 1200 Hinkle SCAT tns_2025ymz_2025-09-25_14-50-08_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-07 21:39:19 - 2025-10-04 04:23:46 2460834.402305 - 2460952.68317 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522349 2025-10-04 04:23:46 2460952.68317 16.84 0.02 ABMag L-GOTO GOTO-N_GOTO-2 180
522348 2025-06-07 21:39:19 2460834.402305 18.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-09 13:24:28 - 2025-11-09 13:24:28 2460989.0586574 - 2460989.0586574 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529799 2025-11-09 13:24:28 2460989.0586574 17.9016 0.0672605 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-03 12:21:45 - 2025-10-11 11:53:26 2460952.0151042 - 2460959.9954398 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529798 2025-10-11 11:53:26 2460959.9954398 17.0023 0.044228 ABMag g-ZTF P48_ZTF-Cam
529797 2025-10-03 12:21:45 2460952.0151042 20.3834 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-24 13:39:26 - 2025-09-24 13:39:26 2460943.06905 - 2460943.06905 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519876 2025-09-24 13:39:26 2460943.06905 17.646 0.084 18.7 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-01 06:27:38 - 2025-06-01 06:27:38 2460827.76919 - 2460827.76919 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519875 2025-06-01 06:27:38 2460827.76919 19.19 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
276105 2025-11-09 13:46:29 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 09:11:23.812 +62:01:24.60 2025-10-11 11:53:25.998 17.0023 g-ZTF PSN ZTF25abwlpdw ZTF N
272542 2025-10-05 15:37:47 GOTO_bot S. Belkin,D. O'Neill,K. Ackley et al. GOTO GOTO 09:11:23.788 +62:01:24.63 2025-10-04 04:23:45.888 16.84 L-GOTO Other GOTO25igd GOTO N
271274 2025-09-25 07:47:21 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:11:23.781 +62:01:24.54 2025-09-24 13:39:25.920 17.646 orange-ATLAS PSN ATLAS25lwr ATLAS 2025TNSTR3855....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
22103 2025-09-25 15:44:16 Jason Hinkle Jason Hinkle (UIUC) on behalf of SCAT SCAT SN Ia 0.025656 1 SCAT Redshift from NED. Template cross-correlation with SNID (Blondin & Tonry 2007) and SNID-SAGE (Stoppa, in prep.) gives matches to normal SNe Ia at this redshift. 2025TNSCR3867....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
22103 2025-09-25 14:50:08 UH88 / SNIFS 1200 Hinkle SCAT tns_2025ymz_2025-09-25_14-50-08_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Sun, 11/09/2025 - 13:46

Object coordinates updated

Object coordinates updated according to AT-report 276105 of Group ZTF
Previous RA, DEC: 09:11:23.781, +62:01:24.54 (137.849087, +62.023483)
Updated RA, DEC: 09:11:23.812, +62:01:24.60 (137.8492168, +62.0234989)