SN 2021dde
RA/DEC (2000)
16:53:54.077 +67:25:16.04
253.47532 +67.421122
Type
SN Ia
Redshift
0.07
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-02-17 13:35:02.400
TNS AT
Y
Public
Y
Discovery Mag
19.066
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, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2021dde - 2021-02-23 05:52:21 LT / SPRAT (TCD)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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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
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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
90552021-02-23 05:52:21LT / SPRATS. Prentice, L. HarveyTCD tns_2021dde_2021-02-23_05-52-20.760_LT_SPRAT_TCD.txtObjectTCD
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-02-11 15:04:19 - 2021-02-17 13:35:022
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1931822021-02-17 13:35:0219.0660.13519.58ABMagcyan-ATLASATLAS1_ACAM130Robot
1931812021-02-11 15:04:1919.67ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
997802021-02-18 00:52:46ATLAS_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, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS16:53:54.077+67:25:16.042021-02-17 13:35:02.40019.066cyan-ATLASPSNATLAS21gmcATLAS
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
90452021-02-23 06:27:13luharveyLuke Harvey, Simon Prentice, Kate Maguire, Maxime Deckers, Mark Magee, Jacco Terwel (TCD)TCDSN Ia0.07TCDUsing our custom python classification software and SNID (Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) we match a supernova Ia at the redshift of z=0.07 (redshift from classification softwares)2021TNSCR.588....1H