RA/DEC (2000)
13:03:55.883 -20:56:32.38
195.9828445 -20.9423289
Type
SN IIb
Redshift
0.02
Discovery ReportClassification Report
Related AstroNotes: 2025-51
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-02-07 04:19:18.048
TNS AT
Y
Public
Y
Discovery Mag
18.98
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025azl - 2025-02-08 07:14:01 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

 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
20354 2025-02-08 07:14:01 ESO-NTT / EFOSC2-NTT 1199 D. Magill, J. Gillanders M. D. Fulton, S. Srivastav ePESSTO+ tns_2025azl_2025-02-08_07-14-01_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025azl_2025-02-08_07-14-01_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-02-08 07:01:04 - 2025-02-08 07:01:04 2460714.79241 - 2460714.79241 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467437 2025-02-08 07:01:04 2460714.79241 18.739 0.103 19.48 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-02-05 00:44:16 - 2025-02-05 00:44:16 2460711.53074 - 2460711.53074 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467436 2025-02-05 00:44:16 2460711.53074 19.36 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-06 04:41:13 - 2025-02-07 04:19:18 2460712.695287 - 2460713.680072 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
467303 2025-02-07 04:19:18 2460713.680072 18.98 0.14 ABMag L-GOTO GOTO-N_GOTO-1 180
467302 2025-02-06 04:41:13 2460712.695287 19.1 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-04 12:02:37 - 2025-02-19 11:28:27 2460711.0018171 - 2460725.9780903 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469730 2025-02-19 11:28:27 2460725.9780903 17.6457 0.0514404 ABMag r-ZTF P48_ZTF-Cam
469729 2025-02-04 12:02:37 2460711.0018171 19.7646 0.178266 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-31 00:00:00 - 2025-02-10 00:00:00 2460706.5 - 2460716.5 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470261 2025-02-10 00:00:00 2460716.5 18.37 ABMag g-ZTF P48_ZTF-Cam
469728 2025-01-31 13:46:57 2460707.0742708 18.8164 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
470260 2025-01-31 00:00:00 2460706.5 18.82 ABMag g-ZTF P48_ZTF-Cam [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 Bibcode Unreal Auto classification
245244 2025-02-20 18:47:17 Rupesh Durgesh P. Pessi (OKC),R. Durgesh (independent),E. E. O. Ishida (CNRS) et al. COIN Fink 13:03:55.892 -20:56:32.23 2025-02-19 00:00:00.000 18.37 g-ZTF PSN ZTF25aafdxjr COIN, Fink N
245016 2025-02-19 11:39:05 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 13:03:55.883 -20:56:32.38 2025-02-04 12:02:36.997 19.7646 r-ZTF PSN ZTF25aafdxjr ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
243781 2025-02-08 12:01:09 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:03:55.876 -20:56:32.55 2025-02-08 07:01:04.224 18.739 cyan-ATLAS PSN ATLAS25bmv ATLAS N
243694 2025-02-07 04:41:59 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 13:03:55.897 -20:56:32.13 2025-02-07 04:19:18.048 18.98 L-GOTO Other GOTO25acy GOTO 2025TNSTR.514....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20354 2025-02-08 16:29:57 ePESSTOplus_Bot1 D. Magill, J. Gillanders, M. D. Fulton, S. Srivastav, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN IIb 0.02 1 Add ePESSTO+ 2025TNSCR.544....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
20354 2025-02-08 07:14:01 ESO-NTT / EFOSC2-NTT 1199 D. Magill, J. Gillanders M. D. Fulton, S. Srivastav ePESSTO+ tns_2025azl_2025-02-08_07-14-01_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025azl_2025-02-08_07-14-01_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Wed, 02/19/2025 - 11:39

Object coordinates updated

Object coordinates updated according to AT-report 245016 of Group ZTF
Previous RA, DEC: 13:03:55.876, -20:56:32.55 (195.982815, -20.942375)
Updated RA, DEC: 13:03:55.883, -20:56:32.38 (195.9828445, -20.9423289)

TNS
System

Sat, 02/08/2025 - 12:01

Object coordinates updated

Object coordinates updated according to AT-report 243781 of Group ATLAS
Previous RA, DEC: 13:03:55.897, -20:56:32.13 (195.982904, -20.942257)
Updated RA, DEC: 13:03:55.876, -20:56:32.55 (195.982815, -20.942375)