RA/DEC (2000)
09:53:03.796 +19:26:26.71
148.2658163 +19.4407537
Type
SN IIb
Redshift
0.0254
Discovery ReportClassification Report
Related AstroNotes: 2025-183
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-13 05:57:14.112
TNS AT
Y
Public
Y
Discovery Mag
18.343
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, 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_2025nkf - 2025-06-14 04:22:26 P200 / NGPS (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

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21314 2025-06-14 04:22:26 P200 / NGPS Christoffer Fremling, Kaustav Kashyap Das Christoffer Fremling, Kaustav Kashyap Das ZTF tns_2025nkf_2025-06-14_04-22-26_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-06-12 04:12:39 - 2025-06-16 04:26:01 2460838.6754514 - 2460842.6847338 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495437 2025-06-16 04:26:01 2460842.6847338 18.4304 0.0614064 ABMag r-ZTF P48_ZTF-Cam
495436 2025-06-12 04:12:39 2460838.6754514 18.594 0.0823231 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-05-31 06:08:32 - 2025-05-31 06:08:32 2460826.7559259 - 2460826.7559259 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495435 2025-05-31 06:08:32 2460826.7559259 18.273 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-13 05:57:14 - 2025-06-13 05:57:14 2460839.74808 - 2460839.74808 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494769 2025-06-13 05:57:14 2460839.74808 18.343 0.157 18.64 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-12 07:18:25 - 2025-06-12 07:18:25 2460838.80446 - 2460838.80446 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494768 2025-06-12 07:18:25 2460838.80446 18.38 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
258717 2025-06-16 06:11:39 Fritz Kaustav Kashyap Das (Caltech),Jesper Sollerman (SU),Christoffer Fremling (Caltech) et al. ZTF ZTF 09:53:03.796 +19:26:26.71 2025-06-12 04:12:39.000 18.594 r-ZTF PSN ZTF25aaupxfb ZTF N
258343 2025-06-13 08:12:49 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:53:03.801 +19:26:26.97 2025-06-13 05:57:14.112 18.343 orange-ATLAS PSN ATLAS25gbx ATLAS 2025TNSTR2203....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
21314 2025-06-16 17:37:27 ZTF_Bot1 K. Das, S. Covarrubias, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN IIb 0.0254 1 ZTF 2025TNSCR2247....1D
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
21314 2025-06-14 04:22:26 P200 / NGPS Christoffer Fremling, Kaustav Kashyap Das Christoffer Fremling, Kaustav Kashyap Das ZTF tns_2025nkf_2025-06-14_04-22-26_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Mon, 06/16/2025 - 06:11

Object coordinates updated

Object coordinates updated according to AT-report 258717 of Group ZTF
Previous RA, DEC: 09:53:03.801, +19:26:26.97 (148.26583625, +19.44082375)
Updated RA, DEC: 09:53:03.796, +19:26:26.71 (148.2658163, +19.4407537)