RA/DEC (2000)
06:45:24.326 +14:20:05.78
101.3513575 +14.33494
Type
SN Ia
Redshift
0.02
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-02-27 21:41:04.128
TNS AT
Y
Public
Y
Discovery Mag
19.25
Filter
L-GOTO
Reporter/s
K. Ulaczyk, G. Ramsay, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, 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, D. O'Neill, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025cxg - 2025-03-02 07:05:53 UH88 / SNIFS (SCAT)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-N_GOTO-1_L
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_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
20522 2025-03-02 07:05:53 UH88 / SNIFS 2400 M. E. Huber SCAT tns_2025cxg_2025-03-02_07-05-53_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~490-525 nm
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-02-24 21:11:14 - 2025-02-27 21:41:04 2460731.382801 - 2460734.403524 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
472416 2025-02-27 21:41:04 2460734.403524 19.25 0.17 ABMag L-GOTO GOTO-N_GOTO-1 180
472415 2025-02-24 21:11:14 2460731.382801 19.5 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-01 07:28:28 - 2025-03-01 07:28:28 2460735.81144 - 2460735.81144 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473133 2025-03-01 07:28:28 2460735.81144 18.865 0.164 19.37 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-28 08:07:48 - 2025-02-28 08:07:48 2460734.83875 - 2460734.83875 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473132 2025-02-28 08:07:48 2460734.83875 19.43 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 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 Bibcode Unreal Auto classification
246526 2025-03-02 19:25:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 06:45:24.326 +14:20:05.78 2025-03-01 07:28:28.416 18.865 orange-ATLAS PSN ATLAS25cia ATLAS N
246210 2025-02-28 08:32:10 GOTO_bot K. Ulaczyk,G. Ramsay,K. Ackley et al. GOTO GOTO 06:45:24.312 +14:20:05.26 2025-02-27 21:41:04.128 19.25 L-GOTO Other GOTO25avo GOTO 2025TNSTR.824....1U N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20522 2025-03-03 06:17:50 Mark Huber M. E. Huber (IfA, UH Manoa) on behalf of the SCAT team SCAT SN Ia 0.02 1 Add SCAT Spectrum matches type Ia SN days before maximum light. Classification, age and redshift from template cross-correlation with SNID (Blondin and Tonry 2007) 2025TNSCR.878....1H
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
20522 2025-03-02 07:05:53 UH88 / SNIFS 2400 M. E. Huber SCAT tns_2025cxg_2025-03-02_07-05-53_UH88_SNIFS_SCAT.dat Object Poor dichroic correction for ~490-525 nm

Comments

TNS
System

Sun, 03/02/2025 - 19:25

Object coordinates updated

Object coordinates updated according to AT-report 246526 of Group ATLAS
Previous RA, DEC: 06:45:24.312, +14:20:05.26 (101.351302, +14.334794)
Updated RA, DEC: 06:45:24.326, +14:20:05.78 (101.3513575, 14.33494)