RA/DEC (2000)
12:45:38.395 -07:46:02.85
191.4099782 -7.7674578
Type
SN II
Redshift
0.0248
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-27 15:07:31.008
TNS AT
Y
Public
Y
Discovery Mag
17.412
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (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, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025afrw - 2025-12-03 21:59:34 Lijiang-2.4m / YFOSC (LiONS)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-3_L
 GOTO-N_GOTO-2_L
 ATLAS-CHL_ATLAS-04_orange
 P48_ZTF-Cam_r
 ATLAS-HKO_ATLAS-02_cyan
   
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
22514 2025-12-03 21:59:34 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025afrw_2025-12-03_21-59-33.677_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-06-27 08:51:30 - 2025-06-27 08:51:30 2460853.869098 - 2460853.869098 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536167 2025-06-27 08:51:30 2460853.869098 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-11-29 05:58:21 - 2025-11-29 05:58:21 2461008.748855 - 2461008.748855 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536168 2025-11-29 05:58:21 2461008.748855 17.6 0.04 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-08-13 23:57:10 - 2025-08-13 23:57:10 2460901.49803 - 2460901.49803 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535726 2025-08-13 23:57:10 2460901.49803 19.31 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 110 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-27 13:17:15 - 2025-12-04 13:19:39 2461007.0536458 - 2461014.0553125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535978 2025-12-04 13:19:39 2461014.0553125 17.8089 0.106477 18.6532 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
535977 2025-11-27 13:17:15 2461007.0536458 16.621 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-27 15:07:31 - 2025-11-27 15:07:31 2461007.13022 - 2461007.13022 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535727 2025-11-27 15:07:31 2461007.13022 17.412 0.069 19.01 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
279402 2025-12-05 20:20:55 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 12:45:38.379 -07:46:02.36 2025-11-29 05:58:20.640 17.6 L-GOTO Other GOTO25kye GOTO N
279333 2025-12-04 15:34:12 ALeRCE A. Munoz-Arancibia,G. Pignata,F.E. Bauer et al. ALeRCE ZTF 12:45:38.395 -07:46:02.85 2025-12-04 13:19:39.000 17.8089 r-ZTF PSN SDSS J124538.96-074553.9 ZTF25acfwklu ZTF SN candidate 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/ZTF25acfwklu N
279206 2025-12-02 11:51:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 12:45:38.380 -07:46:02.83 2025-11-27 15:07:31.008 17.412 cyan-ATLAS PSN ATLAS25pgf ATLAS 2025TNSTR4794....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
22513 2025-12-04 03:41:56 Liping Li Liping Li, Zeyi Wang, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN II 0.0248 1 LiONS The spectrum obtained by LJT is similar to that of a young SN II. 2025TNSCR4838....1L
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
22514 2025-12-03 21:59:34 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025afrw_2025-12-03_21-59-33.677_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 279333 of Group ZTF
Previous RA, DEC: 12:45:38.380, -07:46:02.83 (191.409918333, -7.76745166667)
Updated RA, DEC: 12:45:38.395, -07:46:02.85 (191.4099782, -7.7674578)