SN 2018gl
RA/DEC (2000)
09:58:06.25 +10:21:33.84
149.52603 +10.3594
Type
SN Ia
Redshift
0.018
Source Group
ASAS-SN
Discovery Date
2018-01-13 13:40:47
TNS AT
Y
Public
Y
Host Name
NGC 3070
Host Redshift
0.017906
Discovery Mag
16.9
Filter
V-Johnson
Discoverer/s
J. Brimacombe, G. Stone, K. Z. Stanek, for the ASAS-SN team
 2018-01-15 09:46:04 Keck1 / LRIS
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
16462018-01-15 09:46:04Keck1 / LRIS300G. Dimitriadis, M. R. Siebert, R. J. Foley (UCSC)G. Dimitriadis tns_2018gl_2018-01-15_09-46-04_Keck1_LRIS.datObject
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonASASSN-1_Brutus2018-01-09 14:09:36 - 2018-01-13 13:40:472
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
247252018-01-13 13:40:4716.9VegaMagV-JohnsonASASSN-1_Brutus
247242018-01-09 14:09:3618VegaMagV-JohnsonASASSN-1_Brutus[Last non detection]
w-PS1PS1_GPC12018-01-15 11:11:02 - 2018-01-15 11:11:021
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
315952018-01-15 11:11:0216.4122ABMagw-PS1PS1_GPC145Robot
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
202822018-07-13 18:25:38PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright (University of Minnesota), D. R. Young (Queen's University Belfast)Pan-STARRS109:58:06.12+10:21:33.732018-01-15 11:11:0216.41w-PS1PSNPS18aktPan-STARRS1
164862018-01-14 14:16:03KZStanekJ. Brimacombe, G. Stone, K. Z. Stanek, for the ASAS-SN teamASAS-SN09:58:06.25+10:21:33.842018-01-13 13:40:4716.9V-JohnsonPSNASASSN-18anASAS-SNIn several epochs, confirmed by J. Brimacombe and G. Stone
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
16412018-01-16 02:08:56msiebertG. Dimitriadis, M. R. Siebert, R. J. Foley (UCSC)SN Ia0.018Similar to SN 1986G and other "transitional" SNe Ia. We measure an Si II 6355 velocity of -11,500 km/s. We detect a subtle absorption feature at ~6350 A, which may be caused by C II 6580 at -10,600 km/s. The cool photosphere and possible carbon detection are both notable features of the peculiar SN 2006bt (Foley et al., 2010, ApJ, 708, 1748).

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