RA/DEC (2000)
21:16:16.200 -68:02:19.18
319.067501111 -68.0386611111
Type
SN Ia
Redshift
0.071
Discovery ReportClassification Report
Related AstroNotes: 2025-256
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-12 00:07:56.064
TNS AT
Y
Public
Y
Discovery Mag
18.631
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), 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 (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_2025tpt - 2025-08-13 02:44:17 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-CHL_ATLAS-04_orange
 ▌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
21783 2025-08-13 02:44:17 ESO-NTT / EFOSC2-NTT 600 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025tpt_2025-08-13_02-44-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tpt_2025-08-13_02-44-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-18 19:53:21 - 2025-08-12 11:58:45 2460875.328708 - 2460899.999131 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511751 2025-08-12 11:58:45 2460899.999131 18.73 0.14 ABMag L-GOTO GOTO-S_GOTO-4 180
511750 2025-07-18 19:53:21 2460875.328708 19.7 ABMag L-GOTO GOTO-S_GOTO-4 360 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-08-09 02:04:27 - 2025-08-09 02:04:27 2460896.58642 - 2460896.58642 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508200 2025-08-09 02:04:27 2460896.58642 17.99 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-08-12 00:07:56 - 2025-08-12 00:07:56 2460899.50551 - 2460899.50551 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508201 2025-08-12 00:07:56 2460899.50551 18.631 0.107 19.66 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 110 Robot
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
267354 2025-08-23 15:54:24 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 21:16:16.145 -68:02:19.44 2025-08-12 11:58:44.832 18.73 L-GOTO Other GOTO25fyp GOTO N
265528 2025-08-12 08:33:03 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:16:16.200 -68:02:19.18 2025-08-12 00:07:56.064 18.631 orange-ATLAS PSN ATLAS25jgf ATLAS 2025TNSTR3156....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
21783 2025-08-14 06:37:57 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.071 1 ePESSTO+ 2025TNSCR3202....1v
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
21783 2025-08-13 02:44:17 ESO-NTT / EFOSC2-NTT 600 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025tpt_2025-08-13_02-44-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025tpt_2025-08-13_02-44-17_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments