RA/DEC (2000)
04:29:38.916 +42:16:31.52
67.4121494656 +42.2754216794
Type
SN Ia
Redshift
0.02
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-02-12 23:29:17.952
TNS AT
Y
Public
Y
Discovery Mag
18.54
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025cnl - 2025-02-25 20:07:28 LT / SPRAT (GOTO)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌ATLAS-MLO_ATLAS-01_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
20482 2025-02-25 20:07:28 LT / SPRAT Robotic GOTO tns_2025cnl_2025-02-25_20-07-27.869_LT_SPRAT_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-12-08 17:26:06 - 2025-03-18 19:01:10 2460653.22646 - 2460753.29248 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476776 2025-03-18 19:01:10 2460753.29248 18.52 ABMag Clear- LAST_LAST-Cam 380
476775 2024-12-08 17:26:06 2460653.22646 21.72 ABMag Clear- LAST_LAST-Cam 17060 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-04 00:30:14 - 2025-02-12 23:29:18 2460710.520995 - 2460719.478684 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471310 2025-02-12 23:29:18 2460719.478684 18.54 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
471309 2025-02-04 00:30:14 2460710.520995 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-10 08:54:41 - 2025-02-11 07:57:05 2460716.87131 - 2460717.83131 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472279 2025-02-11 07:57:05 2460717.83131 18.411 0.159 18.71 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
472278 2025-02-10 08:54:41 2460716.87131 18.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
248841 2025-03-18 19:50:17 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 04:29:38.942 +42:16:31.81 2025-03-18 19:01:10.272 18.52 Clear- PSN LAST N
246142 2025-02-27 09:52:21 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:29:38.916 +42:16:31.52 2025-02-11 07:57:05.184 18.411 orange-ATLAS PSN ATLAS25cdr ATLAS N
245748 2025-02-24 08:16:30 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 04:29:38.917 +42:16:31.37 2025-02-12 23:29:17.952 18.54 L-GOTO Other GOTO25ask GOTO 2025TNSTR.750....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20482 2025-02-26 16:01:33 Miika Pursiainen M. Pursiainen, G. Ramsay, D. O'Neill J. Lyman, K. Ackley, M. Dyer, F. Jiménez-Ibarra, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration GOTO SN Ia 0.02 1 GOTO Good template matches to Type Ia SNe near-peak at about Z=0.02. No clear host lines visible, so redshift is from the template fits. 2025TNSCR.801....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
20482 2025-02-25 20:07:28 LT / SPRAT Robotic GOTO tns_2025cnl_2025-02-25_20-07-27.869_LT_SPRAT_GOTO.dat Object

Comments

TNS
System

Thu, 02/27/2025 - 09:52

Object coordinates updated

Object coordinates updated according to AT-report 246142 of Group ATLAS
Previous RA, DEC: 04:29:38.917, +42:16:31.37 (67.412153, +42.275381)
Updated RA, DEC: 04:29:38.916, +42:16:31.52 (67.4121494656, 42.2754216794)