RA/DEC (2000)
15:49:59.595 +17:24:56.58
237.498312139 +17.4157164359
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Related AstroNotes: 2025-49
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-02-02 14:30:28.800
TNS AT
Y
Public
Y
Discovery Mag
18.785
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 (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_2025asr - 2025-02-07 08:58:58 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-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌Other_Other_Other
   
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
20344 2025-02-07 08:58:58 ESO-NTT / EFOSC2-NTT 899 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025asr_2025-02-07_08-58-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025asr_2025-02-07_08-58-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-02-03 04:36:46 - 2025-02-08 03:29:13 2460709.692197 - 2460714.645287 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467406 2025-02-08 03:29:13 2460714.645287 17.24 0.14 ABMag L-GOTO GOTO-N_GOTO-2 180
467405 2025-02-03 04:36:46 2460709.692197 17.9 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-P1 PS2_GPC2 2025-02-15 13:41:38 - 2025-02-15 13:41:38 2460722.07058 - 2460722.07058 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469208 2025-02-15 13:41:38 2460722.07058 17.83 0.05 20.7 ABMag i-P1 PS2_GPC2 45 Robot
BG-q-BlackGem BG4_BlackGEM-Cam4 2024-08-12 23:54:40 - 2024-08-12 23:54:40 2460535.4962963 - 2460535.4962963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471955 2024-08-12 23:54:40 2460535.4962963 20.05 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-02-25 07:21:14 - 2025-02-25 07:21:14 2460731.806412 - 2460731.806412 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471956 2025-02-25 07:21:14 2460731.806412 17.48 0.02 20.6 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
i-ZTF P48_ZTF-Cam 2025-01-24 13:50:56 - 2025-01-24 13:50:56 2460700.077037 - 2460700.077037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467471 2025-01-24 13:50:56 2460700.077037 18.96 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-04 11:19:30 - 2025-02-08 13:29:28 2460710.971875 - 2460715.0621296 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467473 2025-02-08 13:29:28 2460715.0621296 17.3364 0.037495 ABMag r-ZTF P48_ZTF-Cam
467472 2025-02-04 11:19:30 2460710.971875 17.9974 0.1033 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-01-29 15:59:43 - 2025-02-02 14:30:29 2460705.16647 - 2460709.1045 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466477 2025-02-02 14:30:29 2460709.1045 18.785 0.138 19.36 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
466476 2025-01-29 15:59:43 2460705.16647 17.91 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
Other- Other_Other 2024-05-10 16:04:13 - 2025-03-02 20:20:00 2460441.1696 - 2460737.34722 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473225 2025-03-02 20:20:00 2460737.34722 17.2 19.7 VegaMag Other- Other_Other 60 Robot MASTER-Tunka
473224 2025-03-02 20:07:36 2460737.33861 17.4 19.8 VegaMag Other- Other_Other 60 Robot MASTER-Tunka
473223 2024-05-10 16:04:13 2460441.1696 18.4 VegaMag Other- Other_Other 60 Robot [Last non detection] MASTER-Tunka
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
246610 2025-03-03 08:15:19 MASTER K.Zhirkov,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 15:49:59.520 +17:24:56.60 2025-03-02 20:07:35.904 17.4 Other- PSN MASTER OT J154959.52+172456.6 MASTER PSN or optical counterpart of Fermi GRB 250302A https://gcn.nasa.gov/circulars/39552 N
246004 2025-02-25 20:22:03 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 15:49:59.597 +17:24:56.53 2025-02-25 07:21:14.000 17.48 BG-q-BlackGem 1 PSN BGEM J154959.59+172456.5 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025asr_atrep_246004_BlackGEM.pdf Finding Chart 2025-02-25 20:22:05 BlackGEM_Bot1
244788 2025-02-17 00:32:51 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 15:49:59.595 +17:24:56.58 2025-02-15 13:41:38.112 17.83 i-P1 PSN PS25uj Pan-STARRS N
243795 2025-02-08 14:41:05 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 15:49:59.595 +17:24:56.60 2025-02-04 11:19:29.999 17.9974 r-ZTF PSN ZTF25aadgckg ZTF N
243762 2025-02-08 08:04:46 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 15:49:59.636 +17:24:56.56 2025-02-08 03:29:13.056 17.24 L-GOTO Other GOTO25aet GOTO N
243305 2025-02-03 09:35:43 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 15:49:59.607 +17:24:56.66 2025-02-02 14:30:28.800 18.785 orange-ATLAS PSN ATLAS25bfw ATLAS 2025TNSTR.457....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
20344 2025-02-07 16:17:08 ePESSTOplus_Bot1 D. Magill, J. Gillanders, A. Aamer, C. Angus, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.04 1 Add ePESSTO+ 2025TNSCR.527....1M
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
20344 2025-02-07 08:58:58 ESO-NTT / EFOSC2-NTT 899 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025asr_2025-02-07_08-58-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025asr_2025-02-07_08-58-58_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Mon, 02/17/2025 - 00:32

Object coordinates updated

Object coordinates updated according to AT-report 244788 of Group Pan-STARRS
Previous RA, DEC: 15:49:59.595, +17:24:56.60 (237.4983143, +17.4157233)
Updated RA, DEC: 15:49:59.595, +17:24:56.58 (237.498312139, 17.4157164359)

TNS
System

Sat, 02/08/2025 - 14:41

Object coordinates updated

Object coordinates updated according to AT-report 243795 of Group ZTF
Previous RA, DEC: 15:49:59.607, +17:24:56.66 (237.498361, +17.41574)
Updated RA, DEC: 15:49:59.595, +17:24:56.60 (237.4983143, 17.4157233)