SN 2018zf
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RA/DEC (2000)
19:27:19.63 +65:33:53.78
291.83179 +65.56494
Type
SN II
Redshift
0.01905
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS
Discovery ReportClassification Report
Source Group
ASAS-SN
Discovery Date
2018-03-03 12:00:00
TNS AT
Y
Public
Y
Host Name
2MASX J19271951+6533539
Host Redshift
0.017
Discovery Mag
15.3
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, for the ASAS-SN team
 ▌2018-03-09 12:31:11 MDM-2.4 / OSMOS (ASAS-SN)
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   Binning factor: (rounded to nearest integer >1)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
18322018-03-09 12:31:11MDM-2.4 / OSMOSJ. RupertASAS-SN tns_2018zf_2458187.02166027_MDM-2.4_OSMOS_ASAS-SN.txt tns_2018zf_2458187.02166027_MDM-2.4_OSMOS_ASAS-SN.fitsObjectASAS-SN
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12017-12-23 05:22:33 - 2017-12-23 05:34:042
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
257862017-12-23 05:34:0417.2420.08118.84ABMagorange-ATLASATLAS1_ACAM130Robot
257852017-12-23 05:22:3318.94ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
g-SloanASASSN-4_Leavitt2017-12-14 00:43:12 - 2018-03-03 12:00:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
257662018-03-03 12:00:0015.3ABMagg-SloanASASSN-4_Leavitt
257652017-12-14 00:43:1217.8ABMagg-SloanASASSN-4_Leavitt[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
171062018-03-04 00:00:02ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt, M. Fulton, O. McBrien (Queen's University Belfast)ATLAS19:27:19.55+65:33:54.312017-12-23 05:34:0417.242orange-ATLASPSNATLAS18mgvATLAS
170912018-03-03 15:32:38KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN19:27:19.63+65:33:53.782018-03-03 12:00:0015.3g-SloanPSNASASSN-18elASAS-SNIn two epochs, discovered after seasonal gap
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
18272018-04-06 17:29:51jlprietoJ. L. Prieto (UDP/MAS), J. Rupert (MDM), S. Dong, P. Chen (KIAA-PKU), J. Shields, K. Z. Stanek (OSU) ASAS-SNSN II0.01905ASAS-SNWe obtained an optical spectrum of ASASSN-18el on UT 2018 Mar 9.5 with OSMOS mounted on the MDM 2.4m telescope at KPNO. The spectrum has a blue continuum with blue weak and broad Balmer lines in emission, consistent with a young Type II SN. The redshift of the host galaxy obtained from nebular emission lines is z=0.01905.

Comments

Patrick Vallely (The Ohio State University)

Wed, 03/07/2018 - 20:26

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-18el.png