SN 2020tlf
RA/DEC (2000)
14:40:10.020 +42:46:39.43
220.04175 +42.777619
Type
SN IIn
Redshift
0.008463
Related AstroNotes: 2020-179
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2020-09-16 05:18:14.400
TNS AT
Y
Public
Y
Discovery Mag
15.885
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Townsend (University of Manchester)

Spectra

 SN_2020tlf - 2020-09-17 18:49:30 Other / Other (None)z=
 SN_2020tlf - 2020-09-17 00:00:00 Keck1 / LRIS (UCSC)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show [O III] 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
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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)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
75122020-09-17 18:49:30Other / Other1200Claudio BalconClaudio BalconNone tns_2020tlf_2020-09-17_18-49-30_Other_Other.dat tns_2020tlf_2020-09-17_18-49-30_Other_Other.fitObjectI obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
75182020-09-17 00:00:00Keck1 / LRISM. R. Siebert, K. Taggart , S. Tinyanont, G. Dimitriadis, R. J. FoleyG. DimitriadisUCSC tns_2020tlf_2020-09-17_Keck1_LRIS_UCSC.flmObjectUCSC
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12020-09-08 05:54:14 - 2020-09-16 05:18:142
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1583232020-09-16 05:18:1415.8850.03518.08ABMagcyan-ATLASATLAS1_ACAM130Robot
1583222020-09-08 05:54:1419.54ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2020-08-14 10:17:46 - 2020-09-28 11:39:502
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1609462020-09-28 11:39:5014.660.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1609452020-08-14 10:17:4621.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
835202020-09-30 07:47:20Gaia_Bot1S.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 teamGaiaAlertsGaiaAlerts14:40:10.020+42:46:39.432020-09-28 11:39:50.40014.66G-GaiaPSNGaia20enmGaiaAlertsconfirmed SN IIn
823302020-09-16 16:12:13ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Townsend (University of Manchester)ATLASATLAS14:40:10.034+42:46:39.642020-09-16 05:18:14.40015.885cyan-ATLASPSNATLAS20bbftATLAS
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
75052020-09-17 19:19:18georgios_dimitriadisG. Dimitriadis, M. R. Siebert, K. Taggart , S. Tinyanont, R. J. Foley (UCSC)UCSCSN IInUCSCATel #140242020TNSCR2840....1D
74992020-09-17 19:10:34balclaClaudio BalconNoneSN IIn0.008463Noisy spectrum is similar to those of Type lln SN at the redshift of the host galaxy (z=0.008463; value from NED)2020TNSCR2839....1B

Comments

Object coordinates updated according to AT-report 83520 of Group GaiaAlerts
Previous RA, DEC: 14:40:10.034, +42:46:39.64 (220.041808, +42.777678)
Updated RA, DEC: 14:40:10.020, +42:46:39.43 (220.04175, 42.777619)