SN 2017gkt
RA/DEC (2000)
23:36:25.800 +27:23:53.84
354.1075 +27.39829
Type
SN Ia
Redshift
0.03
Source Group
ASAS-SN
Discovery Date
2017-08-27 08:23:59
TNS AT
Y
Public
Y
Host Name
2MASX J23362597+2723541
Host Redshift
0.030464
Discovery Mag
17.1
Filter
V-Johnson
Discoverer/s
J. Brimacombe, R. Koff, K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2017gkt - 2017-09-04 23:05:38 LT / SPRAT (ASAS-SN)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
11972017-09-04 23:05:38LT / SPRAT500BersierBersierASAS-SN tns_2017gkt_2017-09-04_23-05-38_LT_SPRAT_ASAS-SN.datObjectASAS-SNFairly red spectrum although some of this may be caused by contamination from the host galaxy
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonASASSN-1_Brutus2017-08-16 11:16:48 - 2017-08-27 08:23:592
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
199002017-08-27 08:23:5917.1VegaMagV-JohnsonASASSN-1_Brutus
198992017-08-16 11:16:4817.7VegaMagV-JohnsonASASSN-1_Brutus[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
133412017-09-01 15:12:53KZStanekJ. Brimacombe, R. Koff, K. Z. Stanek, for the ASAS-SN teamASAS-SN23:36:25.800+27:23:53.842017-08-27 08:23:5917.1V-JohnsonPSNASASSN-17lmASAS-SNIn several epochs, nuclear source, so could also be a TDE
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
11932017-09-05 16:07:51dbersierDavid BersierASAS-SNSN Ia0.03ASAS-SNComparison with a library of spectra with SNID finds numerous matches with type Ia spectra 8-10 past maximum light.