RA/DEC (2000)
02:21:35.642 -14:18:04.49
35.398507081 -14.3012485575
Type
SN II
Redshift
0.0366
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-20 03:34:35.328
TNS AT
Y
Public
Y
Discovery Mag
17.483
Filter
cyan-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_2025aeft - 2025-11-30 14:13:32 Lijiang-2.4m / YFOSC (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-3_L
 ▌PS2_GPC2_i
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
22479 2025-11-30 14:13:32 Lijiang-2.4m / YFOSC Bo Wang None tns_2025aeft_2025-11-30_14-13-32_Lijiang-2.4m_YFOSC_None.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-11-09 11:53:37 - 2025-11-18 12:08:12 2460988.995567 - 2460998.005701 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533620 2025-11-18 12:08:12 2460998.005701 18.63 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
533619 2025-11-09 11:53:37 2460988.995567 20.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
i-P1 PS2_GPC2 2025-11-25 08:46:25 - 2025-11-25 08:46:25 2461004.86557 - 2461004.86557 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534289 2025-11-25 08:46:25 2461004.86557 17.58 0.04 20.7 ABMag i-P1 PS2_GPC2 27 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-11-20 03:34:35 - 2025-11-20 03:34:35 2460999.64902 - 2460999.64902 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532687 2025-11-20 03:34:35 2460999.64902 17.483 0.044 19.39 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-11-17 22:27:26 - 2025-11-17 22:27:26 2460997.43572 - 2460997.43572 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532686 2025-11-17 22:27:26 2460997.43572 19.18 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-24 04:02:47 - 2025-11-24 04:02:47 2461003.6685995 - 2461003.6685995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533890 2025-11-24 04:02:47 2461003.6685995 17.4088 0.0539128 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-11 08:45:35 - 2025-11-26 05:31:46 2460990.8649884 - 2461005.7303935 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533891 2025-11-26 05:31:46 2461005.7303935 17.2401 0.0412135 ABMag g-ZTF P48_ZTF-Cam
533889 2025-11-11 08:45:35 2460990.8649884 19.5849 ABMag g-ZTF P48_ZTF-Cam [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
278484 2025-11-27 21:51:09 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 02:21:35.642 -14:18:04.49 2025-11-25 08:46:25.248 17.58 i-P1 PSN PS25ilu Pan-STARRS N
278301 2025-11-26 05:39:27 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 02:21:35.631 -14:18:04.38 2025-11-24 04:02:46.996 17.4088 r-ZTF PSN ZTF18abxucht ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
278186 2025-11-25 10:18:12 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 02:21:35.637 -14:18:04.26 2025-11-18 12:08:12.480 18.63 L-GOTO Other GOTO25kmv GOTO N
277727 2025-11-20 12:56:50 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:21:35.637 -14:18:04.42 2025-11-20 03:34:35.328 17.483 cyan-ATLAS PSN ATLAS25oot ATLAS 2025TNSTR4657....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
22478 2025-12-01 08:31:40 Luhan Li Bo Wang, Luhan Li, Liping Li, Zeyi Wang, Xinjie Luo, Jujia Zhang (YNAO) None SN II 0.0366 1 The spectrum obtained by LJT is similar to that of a young SN II with a ledge feature. Narrow emission lines (including Halpha, [O II] and [O III]) yield a redshift of about 0.0366. 2025TNSCR4790....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
22479 2025-11-30 14:13:32 Lijiang-2.4m / YFOSC Bo Wang None tns_2025aeft_2025-11-30_14-13-32_Lijiang-2.4m_YFOSC_None.dat Object

Comments

TNS
System

Thu, 11/27/2025 - 21:51

Object coordinates updated

Object coordinates updated according to AT-report 278484 of Group Pan-STARRS
Previous RA, DEC: 02:21:35.631, -14:18:04.38 (35.3984606, -14.3012167)
Updated RA, DEC: 02:21:35.642, -14:18:04.49 (35.398507081, -14.3012485575)

TNS
System

Wed, 11/26/2025 - 05:39

Object coordinates updated

Object coordinates updated according to AT-report 278301 of Group ZTF
Previous RA, DEC: 02:21:35.637, -14:18:04.42 (35.398488, -14.301229)
Updated RA, DEC: 02:21:35.631, -14:18:04.38 (35.3984606, -14.3012167)