RA/DEC (2000)
22:09:39.076 -55:21:38.16
332.412817778 -55.3605988889
Type
SN Ia-91T-like
Redshift
0.05
Discovery ReportClassification Report
Related AstroNotes: 2025-156
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-04-27 09:07:01.632
TNS AT
Y
Public
Y
Discovery Mag
17.895
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_2025imt - 2025-05-25 09:07:57 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

 ▌ATLAS-CHL_ATLAS-04_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
21126 2025-05-25 09:07:57 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025imt_2025-05-25_09-07-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025imt_2025-05-25_09-07-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-23 10:02:37 - 2025-04-27 09:07:02 2460788.91848 - 2460792.87988 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484461 2025-04-27 09:07:02 2460792.87988 17.895 0.109 19.09 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
484460 2025-04-23 10:02:37 2460788.91848 18.7 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 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
252812 2025-04-27 20:01:35 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:09:39.076 -55:21:38.16 2025-04-27 09:07:01.632 17.895 orange-ATLAS PSN ATLAS25ehy ATLAS 2025TNSTR1548....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
21126 2025-05-25 16:22:09 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, A. Horowicz on behalf of ePESSTO+ ePESSTO+ SN Ia-91T-like 0.05 1 Add ePESSTO+ 2025TNSCR1963....1C
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
21126 2025-05-25 09:07:57 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025imt_2025-05-25_09-07-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025imt_2025-05-25_09-07-57_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments