RA/DEC (2000)
12:52:51.084 +46:45:32.93
193.212852 +46.759146
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Related AstroNotes: 2025-124
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-21 11:42:19.872
TNS AT
Y
Public
Y
Discovery Mag
18.51
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_2025fcm - 2025-03-23 08:39:22 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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌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
20611 2025-03-23 08:39:22 UH88 / SNIFS 1800 Desai SCAT tns_2025fcm_2460757.86067_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-03 23:54:58 - 2025-04-05 01:59:40 2460373.49651 - 2460770.5831 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480831 2025-04-05 01:59:40 2460770.5831 18 ABMag Clear- LAST_LAST-Cam 400
480830 2024-03-03 23:54:58 2460373.49651 21.88 ABMag Clear- LAST_LAST-Cam 4380 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-03-17 23:20:49 - 2025-04-04 01:44:00 2460752.472792 - 2460769.572219 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480604 2025-04-04 01:44:00 2460769.572219 17.59 0.06 ABMag L-GOTO GOTO-N_GOTO-1 180
480603 2025-03-17 23:20:49 2460752.472792 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-17 11:26:59 - 2025-03-21 11:42:20 2460751.97707 - 2460755.98773 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477474 2025-03-21 11:42:20 2460755.98773 18.51 0.149 19.4 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
477473 2025-03-17 11:26:59 2460751.97707 19.03 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 ADS Bibcode Unreal Auto classification
250956 2025-04-05 03:44:14 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 12:52:51.022 +46:45:33.45 2025-04-05 01:59:39.840 18 Clear- PSN LAST N
250832 2025-04-04 08:34:49 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 12:52:50.967 +46:45:33.41 2025-04-04 01:43:59.808 17.59 L-GOTO Other GOTO25bnu GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Dimitri Ferreira Lima, Cledison Marcos da Silva, Antonio Pasqua, Minrui Ning, Mayahuel Torres Guerrero N
249168 2025-03-21 14:18:21 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:52:51.084 +46:45:32.93 2025-03-21 11:42:19.872 18.51 orange-ATLAS PSN ATLAS25cvl ATLAS 2025TNSTR1069....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
20611 2025-03-23 16:34:07 Dhvanil Desai Dhvanil Desai (on behalf of the SCAT team) SCAT SN Ia 0.06 1 Add SCAT Redshift from NED. 2025TNSCR1108....1D
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
20611 2025-03-23 08:39:22 UH88 / SNIFS 1800 Desai SCAT tns_2025fcm_2460757.86067_UH88_SNIFS_SCAT.dat Object

Comments