RA/DEC (2000)
12:27:19.927 +64:48:12.05
186.8330285 +64.8033482
Type
SN II
Redshift
0.0088
Discovery ReportClassification Report
Related AstroNotes: 2025-326
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-11-18 04:49:35.904
TNS AT
Y
Public
Y
Discovery Mag
17.589
Filter
wide-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_2025aecv - 2025-11-24 11:43:17 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Other_Other_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
22440 2025-11-24 11:43:17 P60 / SEDM SEDM-Robot ZTF tns_2025aecv_2461003.9883878_P60_SEDM_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-11-15 05:58:40 - 2025-11-18 04:49:36 2460994.74907 - 2460997.70111 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532184 2025-11-18 04:49:36 2460997.70111 17.589 0.038 19.76 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
532183 2025-11-15 05:58:40 2460994.74907 19.47 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-13 21:22:45 - 2025-11-29 04:22:03 2460870.390797 - 2461008.681977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536313 2025-11-29 04:22:03 2461008.681977 17.21 0.02 ABMag L-GOTO GOTO-N_GOTO-2 180
536312 2025-07-13 21:22:45 2460870.390797 20 ABMag L-GOTO GOTO-N_GOTO-2 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-13 12:49:46 - 2025-12-06 09:18:45 2460993.0345602 - 2461015.8880208 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536337 2025-12-06 09:18:45 2461015.8880208 17.0302 0.0409261 ABMag r-ZTF P48_ZTF-Cam
536335 2025-11-13 12:49:46 2460993.0345602 20.055 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-11-23 13:10:14 - 2025-11-23 13:10:14 2461003.0487731 - 2461003.0487731 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536336 2025-11-23 13:10:14 2461003.0487731 17.1137 0.0628772 ABMag g-ZTF P48_ZTF-Cam
g-Sloan Other_Other 2025-01-19 03:28:48 - 2025-11-18 03:28:48 2460694.645 - 2460997.645 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
534268 2025-11-18 03:28:48 2460997.645 18.95 ABMag g-Sloan Other_Other 300 Beichuan Wang [Last non detection]
534269 2025-01-19 03:28:48 2460694.645 16.12 0.04 ABMag g-Sloan Other_Other 300 Beichuan Wang Detected by Mini-SiTian Array.
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
279471 2025-12-06 10:52:29 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:27:19.927 +64:48:12.05 2025-11-23 13:10:13.995 17.1137 g-ZTF PSN ZTF25acegmcy ZTF N
279462 2025-12-06 09:29:13 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 12:27:19.927 +64:48:11.74 2025-11-29 04:22:03.072 17.21 L-GOTO Other GOTO25lcd GOTO N
278468 2025-11-27 18:25:42 PSST-XL Beichuan Wang,Xiaohan Chen,Junjie Jin et al. PSST-XL 12:27:19.932 +64:48:12.02 2025-11-19 03:28:48.000 16.12 g-Sloan 1 PSN NGC4441 PSST25aecv A supernova in a near galaxy. N 1
Related files
File Comments Last Modified (UT) Modified By
tns_2025aecv_atrep_278468_PSST-XL.png Discovery image. 2025-11-27 18:25:45 PSST-XL
Auto classification
Algorithm Version Obj. Type Probability Additional Params.
277478 2025-11-18 08:57:37 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:27:19.932 +64:48:12.02 2025-11-18 04:49:35.904 17.589 wide-ATLAS PSN ATLAS25omp ATLAS 2025TNSTR4634....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
22439 2025-11-24 14:51:22 Nabeel Rehemtulla Nabeel Rehemtulla (NU, CIERA) and Jesper Sollerman (Stockholm University) on behalf of the ZTF Collaboration ZTF SN II 0.0088 1 ZTF Clear P-Cygni H Balmer features characteristic of SN II; redshift from DESI DR1 2025TNSCR4701....1R
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
22440 2025-11-24 11:43:17 P60 / SEDM SEDM-Robot ZTF tns_2025aecv_2461003.9883878_P60_SEDM_ZTF.txt Object

Comments

TNS
System

Sat, 12/06/2025 - 10:52

Object coordinates updated

Object coordinates updated according to AT-report 279471 of Group ZTF
Previous RA, DEC: 12:27:19.932, +64:48:12.02 (186.833048889, +64.8033388889)
Updated RA, DEC: 12:27:19.927, +64:48:12.05 (186.8330285, +64.8033482)

Junjie
Jin

Fri, 11/28/2025 - 10:35

Correct the observation time for PSST

In the AT report, for PSST-XL in lightcure with ID 534269, the Obs-date should be 2025-11-19 03:28:48 (UTC+8).