RA/DEC (2000)
08:13:51.746 +11:45:33.22
123.4656088 +11.7592276
Type
SN IIn
Redshift
0.0358
Discovery ReportClassification Report
Related AstroNotes: 2025-112
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-26 19:02:46.176
TNS AT
Y
Public
Y
Discovery Mag
19.036
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_2025gfb - 2025-04-14 01:10:43 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-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_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
20762 2025-04-14 01:10:43 ESO-NTT / EFOSC2-NTT 1200 C. Humina, N. Pyykkinen T. Kravtsov ePESSTO+ tns_2025gfb_2025-04-14_01-10-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025gfb_2025-04-14_01-10-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-02-23 13:09:11 - 2025-02-23 13:09:11 2460730.048042 - 2460730.048042 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481824 2025-02-23 13:09:11 2460730.048042 19.9 ABMag L-GOTO GOTO-S_GOTO-3 135 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-03-27 20:36:14 - 2025-03-27 20:36:14 2460762.358505 - 2460762.358505 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481825 2025-03-27 20:36:14 2460762.358505 19.27 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
orange-ATLAS ATLAS-STH_ATLAS-03 2025-03-26 19:02:46 - 2025-03-26 19:02:46 2460761.29359 - 2460761.29359 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479766 2025-03-26 19:02:46 2460761.29359 19.036 0.182 19.29 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-05-24 04:01:12 - 2025-05-25 04:13:38 2460819.6675 - 2460820.6761343 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491408 2025-05-25 04:13:38 2460820.6761343 18.2047 0.0832642 ABMag r-ZTF P48_ZTF-Cam
491407 2025-05-24 04:01:12 2460819.6675 18.1581 0.0720318 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-25 09:41:29 - 2025-03-25 09:41:29 2460759.90381 - 2460759.90381 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
479765 2025-03-25 09:41:29 2460759.90381 19.37 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
256684 2025-05-25 19:21:07 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 08:13:51.746 +11:45:33.22 2025-05-24 04:01:11.999 18.1581 r-ZTF PSN ZTF25aarntxz ZTF N
251429 2025-04-11 10:31:44 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 08:13:51.720 +11:45:33.27 2025-03-27 20:36:14.400 19.27 L-GOTO Other GOTO25bug GOTO N
250304 2025-03-30 12:46:32 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 08:13:51.743 +11:45:33.26 2025-03-26 19:02:46.176 19.036 orange-ATLAS PSN ATLAS25diq ATLAS 2025TNSTR1205....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
20762 2025-04-14 15:26:23 ePESSTOplus_Bot1 C. Humina, N. Pyykkinen, T. Kravtsov, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN IIn 0.0358 1 ePESSTO+ 2025TNSCR1384....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
20762 2025-04-14 01:10:43 ESO-NTT / EFOSC2-NTT 1200 C. Humina, N. Pyykkinen T. Kravtsov ePESSTO+ tns_2025gfb_2025-04-14_01-10-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025gfb_2025-04-14_01-10-43_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sun, 05/25/2025 - 19:21

Object coordinates updated

Object coordinates updated according to AT-report 256684 of Group ZTF
Previous RA, DEC: 08:13:51.743, +11:45:33.26 (123.465596667, +11.75924)
Updated RA, DEC: 08:13:51.746, +11:45:33.22 (123.4656088, +11.7592276)