SN 2021dch
RA/DEC (2000)
13:05:23.768 +29:30:34.63
196.349032625 +29.50962035
Type
SN Ia
Redshift
0.020165
Related AstroNotes: 2021-69
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-02-16 11:48:28.800
TNS AT
Y
Public
Y
Discovery Mag
18.244
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_2021dch - 2021-02-22 06:24:07 P60 / SEDM (ZTF)z=
 SN_2021dch - 2021-02-22 00:00:00 UH88 / SNIFS (SCAT)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
90312021-02-22 06:24:07P60 / SEDM2400SEDmRobotautoZTF tns_2021dch_2021-02-22_06-24-06.689664_P60_SEDM_ZTF.asciiObjectZTF
90142021-02-22 00:00:00UH88 / SNIFS2700AshallAshallSCAT tns_2021dch_2021-02-22.00_UH88_SNIFS_SCAT.datObjectSCAT
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-02-12 15:00:00 - 2021-02-16 11:48:292
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1930432021-02-16 11:48:2918.2440.06219.91ABMagcyan-ATLASATLAS1_ACAM130Robot
1930422021-02-12 15:00:0019.85ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
g-ZTFP48_ZTF-Cam2021-02-13 09:08:38 - 2021-02-17 12:27:222
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1931432021-02-17 12:27:2217.95ABMagg-ZTFP48_ZTF-Cam30ZTF
1931412021-02-13 09:08:3820.41ABMagg-ZTFP48_ZTF-Cam30ZTF[Last non detection]
r-ZTFP48_ZTF-Cam2021-02-13 08:29:41 - 2021-02-17 08:54:523
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1944942021-02-17 08:54:5217.89750.05677220.3093ABMagr-ZTFP48_ZTF-Cam30RobotData provided by ZTF, classified by Fink
1931422021-02-17 08:54:1417.9ABMagr-ZTFP48_ZTF-Cam30ZTF
1944932021-02-13 08:29:4120.1172ABMagr-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF, classified by Fink
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1003482021-02-23 20:16:36FinkJulien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink brokerFinkZTF13:05:23.768+29:30:34.632021-02-17 08:54:52.00117.8975r-ZTFPSNZTF21aalinofZTFEarly SN candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21aalinof
997622021-02-17 13:59:49ZTF_Bot1C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaborationZTFZTF13:05:23.770+29:30:34.552021-02-17 08:54:14.40017.9r-ZTFPSNZTF21aalinofZTF
996912021-02-16 18:12:51ATLAS_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)ATLASATLAS13:05:23.747+29:30:34.692021-02-16 11:48:28.80018.244cyan-ATLASPSNATLAS21ghjATLAS
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
90212021-02-22 18:11:47ZTF_Bot1A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.020165ZTF2021TNSCR.569....1D
90042021-02-22 12:14:56chr1s_1chris ashallSCATSN Ia0.02SCATThe spectrum of 2021dch is consistent with being a SNe Ia a few days before maximum light. Astrodash fits provide the best fit between -6 to -2 days from maximum light. 2021TNSCR.567....1A

Comments

Object coordinates updated according to AT-report 100348 of Group ZTF
Previous RA, DEC: 13:05:23.770, +29:30:34.55 (196.3490398, +29.5095968)
Updated RA, DEC: 13:05:23.768, +29:30:34.63 (196.349032625, 29.50962035)

Object coordinates updated according to AT-report 99762 of Group ZTF
Previous RA, DEC: 13:05:23.747, +29:30:34.69 (196.348947273, +29.5096372727)
Updated RA, DEC: 13:05:23.770, +29:30:34.55 (196.3490398, 29.5095968)