RA/DEC (2000)
05:29:34.865 +51:59:11.22
82.3952723 +51.9864507
Type
SN II
Redshift
0.02
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-21 13:26:47.328
TNS AT
Y
Public
Y
Discovery Mag
18.287
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_2025yfo - 2025-10-13 07:41:41 P60 / SEDM (ZTF)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-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_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
22215 2025-10-13 07:41:41 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yfo_2025-10-13_07-41-40.668125_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-02-26 01:11:41 - 2025-09-30 02:15:29 2460732.549778 - 2460948.594083 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520985 2025-09-30 02:15:29 2460948.594083 18.59 0.05 ABMag L-GOTO GOTO-N_GOTO-1 360
520984 2025-02-26 01:11:41 2460732.549778 18.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-16 12:06:02 - 2025-09-21 09:24:35 2460935.0041898 - 2460939.8920718 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519077 2025-09-21 09:24:35 2460939.8920718 18.5029 0.0574982 20.3954 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
519076 2025-09-16 12:06:02 2460935.0041898 20.4705 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-09-18 13:42:31 - 2025-09-21 13:26:47 2460937.07119 - 2460940.06027 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
519069 2025-09-21 13:26:47 2460940.06027 18.287 0.099 19.26 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
519068 2025-09-18 13:42:31 2460937.07119 18.91 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
271813 2025-09-30 10:45:56 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 05:29:34.863 +51:59:11.22 2025-09-30 02:15:28.512 18.59 L-GOTO Other GOTO25ibl GOTO N
270912 2025-09-21 23:22:21 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 05:29:34.865 +51:59:11.22 2025-09-21 09:24:35.004 18.5029 r-ZTF PSN ZTF25absqinr ZTF Early SN candidate (r-rise > 0.40+-0.01 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25absqinr N
270908 2025-09-21 21:34:25 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 05:29:34.858 +51:59:11.15 2025-09-21 13:26:47.328 18.287 orange-ATLAS PSN ATLAS25ltw ATLAS 2025TNSTR3790....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
22215 2025-10-14 22:45:32 ZTF_Bot1 J. Sollerman, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.02 1 ZTF 2025TNSCR4123....1S
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
22215 2025-10-13 07:41:41 P60 / SEDM 2700 SEDmRobot ZTF tns_2025yfo_2025-10-13_07-41-40.668125_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 09/21/2025 - 23:22

Object coordinates updated

Object coordinates updated according to AT-report 270912 of Group ZTF
Previous RA, DEC: 05:29:34.858, +51:59:11.15 (82.3952411765, +51.9864305882)
Updated RA, DEC: 05:29:34.865, +51:59:11.22 (82.3952723, +51.9864507)