RA/DEC (2000)
13:09:56.690 -33:34:47.72
197.48621 -33.5799233333
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Related AstroNotes: 2025-186
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-06-12 19:53:17.952
TNS AT
Y
Public
Y
Discovery Mag
18.802
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_2025nki - 2025-06-17 01:38:32 ESO-NTT / EFOSC2-NTT (ePESSTO+)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-4_L
 ▌ATLAS-STH_ATLAS-03_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
21337 2025-06-17 01:38:32 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025nki_2025-06-17_01-38-32_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025nki_2025-06-17_01-38-32_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-05-23 08:38:49 - 2025-06-14 09:27:29 2460818.860286 - 2460840.89409 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495059 2025-06-14 09:27:29 2460840.89409 18.69 0.08 ABMag L-GOTO GOTO-S_GOTO-4 180
495058 2025-05-23 08:38:49 2460818.860286 19.7 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-06-11 20:18:57 - 2025-06-12 19:53:18 2460838.34649 - 2460839.32868 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494775 2025-06-12 19:53:18 2460839.32868 18.802 0.168 19.01 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
494774 2025-06-11 20:18:57 2460838.34649 18.79 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 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
258471 2025-06-14 12:52:25 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 13:09:56.694 -33:34:48.39 2025-06-14 09:27:29.376 18.69 L-GOTO Other GOTO25dmx GOTO N
258346 2025-06-13 09:11:01 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 13:09:56.690 -33:34:47.72 2025-06-12 19:53:17.952 18.802 orange-ATLAS PSN ATLAS25gca 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
21337 2025-06-17 20:00:21 ePESSTOplus_Bot1 P.J.Pessi, E.Concepcion, N.Ihanec,M.Gromadzki, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.08 1 ePESSTO+ 2025TNSCR2264....1P
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
21337 2025-06-17 01:38:32 ESO-NTT / EFOSC2-NTT 1100 P.J.Pessi, E.Concepcion N.Ihanec,M.Gromadzki ePESSTO+ tns_2025nki_2025-06-17_01-38-32_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025nki_2025-06-17_01-38-32_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments