SN 2021dnn
RA/DEC (2000)
00:56:06.282 +24:07:31.18
14.0261733333 +24.1253266667
Type
SN Ia
Redshift
0.016648
Related AstroNotes: 2021-74
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-02-22 05:24:00.000
TNS AT
Y
Public
Y
Discovery Mag
15.838
Filter
orange-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_2021dnn - 2021-02-23 18:07:00 Other / Other (None)z=
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   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
90562021-02-23 18:07:00Other / Other2400Claudio Balcon (Belluno)Claudio BalconNone tns_2021dnn_2021-02-23_18-07-00_Other_Other.dat tns_2021dnn_2021-02-23_18-07-00_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.
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-02-12 05:58:34 - 2021-02-12 05:58:341
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1940972021-02-12 05:58:3419.52ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
orange-ATLASATLAS1_ACAM12021-02-22 05:24:00 - 2021-02-22 05:24:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1940982021-02-22 05:24:0015.8380.03118.62ABMagorange-ATLASATLAS1_ACAM130Robot
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1001632021-02-22 12:08:10ATLAS_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)ATLASATLAS00:56:06.282+24:07:31.182021-02-22 05:24:00.00015.838orange-ATLASPSNATLAS21grjATLAS
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
90462021-02-23 18:47:16balclaClaudio BalconNoneSN Ia0.016648GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this SN is similar to that of Type la at the redshift of the host galaxy (z=0.016648; value from NED).2021TNSCR.585....1B