RA/DEC (2000)
13:30:13.647 -27:06:01.36
202.556862 -27.100378
Type
SN Ia
Redshift
0.042
Discovery ReportClassification Report
Related AstroNotes: 2025-110
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-23 06:06:53.856
TNS AT
Y
Public
Y
Discovery Mag
18.792
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_2025fhs - 2025-04-06 06:51:30 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
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
   
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
20714 2025-04-06 06:51:30 ESO-NTT / EFOSC2-NTT 800 M. Ghendrih, C. Duffy A. Milligan, M. Smith, C. Angus ePESSTO+ tns_2025fhs_2025-04-06_06-51-30_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025fhs_2025-04-06_06-51-30_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-03-20 11:52:39 - 2025-04-02 11:48:43 2460754.994904 - 2460767.992168 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480680 2025-04-02 11:48:43 2460767.992168 18 0.04 ABMag L-GOTO GOTO-S_GOTO-4 180
480679 2025-03-20 11:52:39 2460754.994904 19.7 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-03-20 07:22:30 - 2025-03-23 06:06:54 2460754.80729 - 2460757.75479 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477935 2025-03-23 06:06:54 2460757.75479 18.792 0.149 19.15 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
477934 2025-03-20 07:22:30 2460754.80729 18.87 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-03-21 05:40:55 - 2025-03-21 05:40:55 2460755.7367477 - 2460755.7367477 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480118 2025-03-21 05:40:55 2460755.7367477 20.48 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-03-22 03:38:12 - 2025-03-22 03:38:12 2460756.6515278 - 2460756.6515278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480119 2025-03-22 03:38:12 2460756.6515278 19.35 0.07 20.97 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
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
250870 2025-04-04 08:51:25 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 13:30:13.640 -27:06:01.77 2025-04-02 11:48:43.488 18 L-GOTO Other GOTO25bji GOTO N
250507 2025-04-02 06:52:03 BlackGEM_Bot1 G. Ramsay,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 13:30:13.647 -27:06:01.36 2025-03-22 03:38:12.000 19.35 BG-q-BlackGem 1 PSN BGEM J133013.64-270601.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025fhs_atrep_250507_BlackGEM.pdf Finding Chart 2025-04-02 06:52:06 BlackGEM_Bot1
249402 2025-03-23 10:20:16 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:30:13.678 -27:06:01.26 2025-03-23 06:06:53.856 18.792 orange-ATLAS PSN ATLAS25cyd ATLAS 2025TNSTR1094....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
20714 2025-04-06 18:31:42 ePESSTOplus_Bot1 M. Ghendrih, C. Duffy, A. Milligan, M. Smith, C. Angus, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.042 1 Add ePESSTO+ 2025TNSCR1303....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
20714 2025-04-06 06:51:30 ESO-NTT / EFOSC2-NTT 800 M. Ghendrih, C. Duffy A. Milligan, M. Smith, C. Angus ePESSTO+ tns_2025fhs_2025-04-06_06-51-30_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025fhs_2025-04-06_06-51-30_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 04/02/2025 - 06:52

Object coordinates updated

Object coordinates updated according to AT-report 250507 of Group BlackGEM
Previous RA, DEC: 13:30:13.678, -27:06:01.26 (202.55699, -27.10035)
Updated RA, DEC: 13:30:13.647, -27:06:01.36 (202.556862, -27.100378)