RA/DEC (2000)
11:13:01.166 +45:21:21.66
168.25485875 +45.356015625
Type
SN Ia
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2025-96
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-17 10:07:02.784
TNS AT
Y
Public
Y
Discovery Mag
18.455
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_2025erw - 2025-03-20 03:51:31 LDT / Deveny-LMI (LAST)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
 ▌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
20627 2025-03-20 03:51:31 LDT / Deveny-LMI 1800 Asaf Horowicz, Erez Zimmerman Erez Zimmerman LAST tns_2025erw_2025-03-20_03-51-30.900_LDT_Deveny-LMI_LAST.ascii tns_2025erw_2025-03-20_03-51-30.900_LDT_Deveny-LMI_LAST.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-01-24 03:11:16 - 2025-03-18 19:09:18 2460699.63282 - 2460753.29812 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476766 2025-03-18 19:09:18 2460753.29812 19.09 ABMag Clear- LAST_LAST-Cam 400
476765 2025-01-24 03:11:16 2460699.63282 20.71 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-27 21:59:52 - 2025-03-17 22:09:35 2460734.416567 - 2460752.423321 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476609 2025-03-17 22:09:35 2460752.423321 18.66 0.1 ABMag L-GOTO GOTO-N_GOTO-1 180
476608 2025-02-27 21:59:52 2460734.416567 19.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-15 11:19:11 - 2025-03-15 11:19:11 2460749.97166 - 2460749.97166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476513 2025-03-15 11:19:11 2460749.97166 18.83 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-17 10:07:03 - 2025-03-17 10:07:03 2460751.92156 - 2460751.92156 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476514 2025-03-17 10:07:03 2460751.92156 18.455 0.118 19.09 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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
248837 2025-03-18 19:30:39 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 11:13:01.191 +45:21:21.39 2025-03-18 19:09:17.568 19.09 Clear- PSN LAST N
248713 2025-03-18 03:54:09 GOTO_bot S. Belkin,K. Ackley,M. Dyer et al. GOTO GOTO 11:13:01.187 +45:21:22.01 2025-03-17 22:09:34.848 18.66 L-GOTO Other GOTO25bcd GOTO N
248670 2025-03-17 13:37:11 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:13:01.166 +45:21:21.66 2025-03-17 10:07:02.784 18.455 orange-ATLAS PSN ATLAS25csp ATLAS 2025TNSTR1006....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
20627 2025-03-25 08:03:05 Erez Zimmerman E. A. Zimmerman , A. Horowicz , R. Konno , A. Gal-Yam , E. O. Ofek , S. Ben-Ami , O. Yaron , D. Polishook , A. Blumenzweig, E. Segre , S. Garrappa , P. Chen , A. Krassilchtchikov , M. Engel , Y. M. Shani , P. Rekhi , S. Fainer , S. Spitzer (WIS) on behalf of the LAST LAST SN Ia 0.07 1 1Add LAST Based on results from the Next Generation SuperFit (NGSF; Astronote 2022-191) via the WISeREP (Yaron et al. 2012) web interface. 2025TNSCR1137....1Z
Related files
File Comments Last Modified (UT) Modified By
tns_2025erw_atrep_20627_LAST.png 2025-03-25 08:03:05 Erez Zimmerman
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
20627 2025-03-20 03:51:31 LDT / Deveny-LMI 1800 Asaf Horowicz, Erez Zimmerman Erez Zimmerman LAST tns_2025erw_2025-03-20_03-51-30.900_LDT_Deveny-LMI_LAST.ascii tns_2025erw_2025-03-20_03-51-30.900_LDT_Deveny-LMI_LAST.fits Object

Comments