RA/DEC (2000)
14:08:41.904 -21:35:43.34
212.174599168 -21.5953717846
Type
SN Ia
Redshift
0.0291
Discovery ReportClassification Report
Related AstroNotes: 2025-106
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-31 04:49:18.624
TNS AT
Y
Public
Y
Discovery Mag
17.468
Filter
cyan-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_2025gnt - 2025-04-04 07:45:46 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
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌PS1_GPC1_w
   
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
20690 2025-04-04 07:45:46 ESO-NTT / EFOSC2-NTT 599 M. Ghendrih, C. Duffy A. Milligan, M. Smith ePESSTO+ tns_2025gnt_2025-04-04_07-45-46_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025gnt_2025-04-04_07-45-46_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-04-02 11:57:40 - 2025-04-02 11:57:40 2460767.998384 - 2460767.998384 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480468 2025-04-02 11:57:40 2460767.998384 17.07 0.03 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-03-20 12:26:07 - 2025-03-20 12:26:07 2460755.018138 - 2460755.018138 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480467 2025-03-20 12:26:07 2460755.018138 19.2 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-03-31 04:49:19 - 2025-03-31 04:49:19 2460765.70091 - 2460765.70091 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480317 2025-03-31 04:49:19 2460765.70091 17.468 0.068 19.34 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-03-30 00:04:38 - 2025-03-30 00:04:38 2460764.50322 - 2460764.50322 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480316 2025-03-30 00:04:38 2460764.50322 19.47 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-05-06 09:39:01 - 2025-05-06 09:39:01 2460801.90209 - 2460801.90209 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488411 2025-05-06 09:39:01 2460801.90209 17.81 0.03 22 ABMag w-P1 PS1_GPC1 45 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
255094 2025-05-15 22:40:29 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 14:08:41.904 -21:35:43.34 2025-05-06 09:39:00.576 17.81 w-P1 PSN PS25csm Pan-STARRS N
250764 2025-04-03 17:04:05 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 14:08:41.901 -21:35:43.99 2025-04-02 11:57:40.032 17.07 L-GOTO Other GOTO25bjg GOTO N
250631 2025-04-03 07:32:38 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 14:08:41.914 -21:35:43.64 2025-03-31 04:49:18.624 17.468 cyan-ATLAS PSN ATLAS25dna ATLAS 2025TNSTR1250....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
20690 2025-04-04 17:59:20 ePESSTOplus_Bot1 M. Ghendrih, C. Duffy, A. Milligan, M. Smith, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.0291 1 Add ePESSTO+ 2025TNSCR1275....1G
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
20690 2025-04-04 07:45:46 ESO-NTT / EFOSC2-NTT 599 M. Ghendrih, C. Duffy A. Milligan, M. Smith ePESSTO+ tns_2025gnt_2025-04-04_07-45-46_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025gnt_2025-04-04_07-45-46_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Thu, 05/15/2025 - 22:40

Object coordinates updated

Object coordinates updated according to AT-report 255094 of Group Pan-STARRS
Previous RA, DEC: 14:08:41.914, -21:35:43.64 (212.174643571, -21.5954542857)
Updated RA, DEC: 14:08:41.904, -21:35:43.34 (212.174599168, -21.5953717846)