RA/DEC (2000)
03:40:49.482 +39:37:08.46
55.2061741 +39.6190168
Type
SN Ia
Redshift
0.042
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-02-10 07:52:56.352
TNS AT
Y
Public
Y
Discovery Mag
18.13
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), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa (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_2025bec - 2025-02-26 21:20:16 LT / SPRAT (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
 ▌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
20487 2025-02-26 21:20:16 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025bec_2025-02-26_21-20-15.985_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-02-08 23:35:17 - 2025-02-10 21:23:30 2460715.48284 - 2460717.39132 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467734 2025-02-10 21:23:30 2460717.39132 18.34 0.11 ABMag L-GOTO GOTO-N_GOTO-1 180
467733 2025-02-08 23:35:17 2460715.48284 17.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-31 04:19:56 - 2025-02-16 05:19:14 2460706.6805093 - 2460722.7216898 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
468873 2025-02-16 05:19:14 2460722.7216898 18.1409 0.0927647 ABMag r-ZTF P48_ZTF-Cam
468872 2025-02-05 03:43:27 2460711.6551736 19.1429 0.124153 ABMag r-ZTF P48_ZTF-Cam
468871 2025-01-31 04:19:56 2460706.6805093 19.7346 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-10 07:52:56 - 2025-02-10 07:52:56 2460716.82843 - 2460716.82843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467706 2025-02-10 07:52:56 2460716.82843 18.13 0.155 18.54 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-08 08:20:29 - 2025-02-08 08:20:29 2460714.84756 - 2460714.84756 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467705 2025-02-08 08:20:29 2460714.84756 18.19 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
244528 2025-02-16 07:32:52 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 03:40:49.482 +39:37:08.46 2025-02-05 03:43:26.999 19.1429 r-ZTF PSN ZTF25aafezal ZTF N
243919 2025-02-10 22:27:29 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 03:40:49.516 +39:37:08.23 2025-02-10 21:23:30.048 18.34 L-GOTO Other GOTO25afr GOTO N
243904 2025-02-10 15:28:40 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 03:40:49.400 +39:37:08.49 2025-02-10 07:52:56.352 18.13 orange-ATLAS PSN ATLAS25bnp ATLAS 2025TNSTR.555....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
20487 2025-02-27 14:29:29 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.042 1 1 ZTF Spectrum is well-fit by template spectra from previously classified SN Ia at a redshift of z = 0.042 ± 0.006. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR.820....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025bec_atrep_20487_ZTF.pdf NGSF fits 2025-02-27 14:29:29 Jacob Wise
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
20487 2025-02-26 21:20:16 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Zoe McGrath Jacob Wise ZTF tns_2025bec_2025-02-26_21-20-15.985_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Sun, 02/16/2025 - 07:32

Object coordinates updated

Object coordinates updated according to AT-report 244528 of Group ZTF
Previous RA, DEC: 03:40:49.400, +39:37:08.49 (55.205832, +39.619026)
Updated RA, DEC: 03:40:49.482, +39:37:08.46 (55.2061741, 39.6190168)