RA/DEC (2000)
00:45:23.458 +31:30:26.45
11.3477398 +31.5073482
Type
SLSN-I
Redshift
0.233
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-10-20 00:12:48.096
TNS AT
Y
Public
Y
Discovery Mag
19.681
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_2025abcp - 2025-12-25 23:20:41 NOT / ALFOSC (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
 ▌P48_ZTF-Cam_r
 ▌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
22829 2025-12-25 23:20:41 NOT / ALFOSC Jesper Sollerman, Anjasha Gangopadhyay Anjasha Gangopadhyay ZTF tns_2025abcp_2025-12-25_23-20-41_NOT_ALFOSC_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-20 00:12:48 - 2025-10-20 00:12:48 2460968.50889 - 2460968.50889 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525439 2025-10-20 00:12:48 2460968.50889 19.681 0.168 20.25 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
r-ZTF P48_ZTF-Cam 2025-10-09 11:42:52 - 2025-10-24 05:43:50 2460957.9881019 - 2460972.7387731 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526353 2025-10-24 05:43:50 2460972.7387731 19.6267 0.102911 ABMag r-ZTF P48_ZTF-Cam
526352 2025-10-13 04:37:49 2460961.6929282 20.1683 0.154212 ABMag r-ZTF P48_ZTF-Cam
526351 2025-10-09 11:42:52 2460957.9881019 18.9046 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-10-19 10:54:17 - 2025-10-19 10:54:17 2460967.95436 - 2460967.95436 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525438 2025-10-19 10:54:17 2460967.95436 19.37 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
274572 2025-10-24 07:09:35 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 00:45:23.458 +31:30:26.45 2025-10-13 04:37:48.996 20.1683 r-ZTF PSN ZTF25abwvblg ZTF N
274173 2025-10-21 09:56:01 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 00:45:23.467 +31:30:26.33 2025-10-20 00:12:48.096 19.681 wide-ATLAS PSN ATLAS25nbc ATLAS 2025TNSTR4220....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
22828 2026-01-20 23:12:17 ZTF_Bot1 J. Johansson, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SLSN-I 0.233 1 ZTF 2026TNSCR.260....1J
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
22829 2025-12-25 23:20:41 NOT / ALFOSC Jesper Sollerman, Anjasha Gangopadhyay Anjasha Gangopadhyay ZTF tns_2025abcp_2025-12-25_23-20-41_NOT_ALFOSC_ZTF.ascii Object

Comments

TNS
System

Fri, 10/24/2025 - 07:09

Object coordinates updated

Object coordinates updated according to AT-report 274572 of Group ZTF
Previous RA, DEC: 00:45:23.467, +31:30:26.33 (11.3477783333, +31.507315)
Updated RA, DEC: 00:45:23.458, +31:30:26.45 (11.3477398, +31.5073482)