RA/DEC (2000)
20:11:25.330 -38:12:00.18
302.855542 -38.20005
Type
SN IIb
Redshift
0.019
Related AstroNotes: 2023-258, 2023-260
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2023-10-01 19:18:22.752
TNS AT
Y
Public
Y
Discovery Mag
18.049
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

Spectra

 SN_2023tvp - 2023-10-04 01:29:53 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
Show H at z=vexp= km/s
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Show Na at z=vexp= km/s
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Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-CHL_ATLAS-04_orange_
 ATLAS-STH_ATLAS-03_orange_
 Gaia_Gaia-photometric_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
15774 2023-10-04 01:29:53 ESO-NTT / EFOSC2-NTT 1440 B. Ayala, M. Ramirez, R. Dastidar A. Reguitti, S. Benetti ePESSTO+ tns_2023tvp_2023-10-04_01-29-53_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2023tvp_2023-10-04_01-29-53_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2023-09-30 01:37:04 - 2023-09-30 01:37:04 2460217.56741 - 2460217.56741 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
366092 2023-09-30 01:37:04 2460217.56741 18.68 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2023-10-01 19:18:23 - 2023-10-01 19:18:23 2460219.30443 - 2460219.30443 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
366093 2023-10-01 19:18:23 2460219.30443 18.049 0.121 19.22 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
G-Gaia Gaia_Gaia-photometric 2023-09-17 19:49:26 - 2023-10-12 13:42:14 2460205.326 - 2460230.071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
375463 2023-10-12 13:42:14 2460230.071 17.61 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
375462 2023-09-17 19:49:26 2460205.326 21.5 ABMag G-Gaia Gaia_Gaia-photometric 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 Bibcode Unreal Auto classification
194062 2023-11-18 11:38:37 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts team GaiaAlerts GaiaAlerts 20:11:25.330 -38:12:00.18 2023-10-12 13:42:14.400 17.61 G-Gaia PSN Gaia23dcu GaiaAlerts Confirmed SN IIb N
189426 2023-10-01 22:32:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford) ATLAS ATLAS 20:11:25.334 -38:11:59.96 2023-10-01 19:18:22.752 18.049 orange-ATLAS PSN ATLAS23tjm ATLAS 2023TNSTR2452....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
15689 2023-10-04 17:28:24 ePESSTOplus_Bot1 B. Ayala, M. Ramirez, R. Dastidar, A. Reguitti, S. Benetti, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN IIb 0.019 1 ePESSTO+ 2023TNSCR2482....1A
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
15774 2023-10-04 01:29:53 ESO-NTT / EFOSC2-NTT 1440 B. Ayala, M. Ramirez, R. Dastidar A. Reguitti, S. Benetti ePESSTO+ tns_2023tvp_2023-10-04_01-29-53_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2023tvp_2023-10-04_01-29-53_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 194062 of Group GaiaAlerts
Previous RA, DEC: 20:11:25.334, -38:11:59.96 (302.85555875, -38.19999)
Updated RA, DEC: 20:11:25.330, -38:12:00.18 (302.855542, -38.20005)