SN 2018hfg
RA/DEC (2000)
08:52:56.32 +42:24:47.02
133.23465 +42.41306
Type
SN IIn
Redshift
0.023863
Source Group
ASAS-SN
Discovery Date
2018-10-09 11:45:36
TNS AT
Y
Public
Y
Host Name
UGC 04642
Host Redshift
0.023863
Discovery Mag
16.9
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, for the ASAS-SN team
 2018-10-10 20:13:03 BAO-2.16m / Cassegrain (TNTS)
 2018-10-10 12:57:36 Lick 3m / KAST (LOSS)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
28722018-10-10 20:13:03BAO-2.16m / Cassegrain3000Jia junjunHann SaiTNTS tns_2018hfg_2458402.3424_BAO-2.16m_Cassegrain_TNTS.txtObjectTNTS
28782018-10-10 12:57:36Lick 3m / KASTWeiKang ZhengThomas BrinkLOSS tns_2018hfg_2018-10-10.540_Lick_3m_KAST_LOSS.flmObjectLOSS
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanASASSN-4_Leavitt2018-10-04 11:31:12 - 2018-10-09 11:45:362
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
373712018-10-09 11:45:3616.9ABMagg-SloanASASSN-4_Leavitt
373702018-10-04 11:31:1218ABMagg-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
234342018-10-09 21:19:05KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN08:52:56.32+42:24:47.022018-10-09 11:45:3616.9g-SloanPSNASASSN-18xkASAS-SNIn several epochs, on the rise
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
28712018-10-11 20:54:55weikangWeikang Zheng, Thomas Brink, Alexei V. Filippenko (UC Berkeley)LOSSSN IInLOSSWe confirmed it is a type IIn SN also classified by Nascimbeni et al. (ATel 12101) and Sai et al. (ATel 12102).
28692018-10-11 09:01:01linatomaV. Nascimbeni, V. Granata (DFA-UniPd), S. Benetti, E. Cappellaro, L. Tomasella, M. Turatto (INAF OAPd)Padova-AsiagoSN IIn0.023863Padova-AsiagoSpectrum similar to those of several type IIn supernovae (including SN 2009ip) several days after explosion. Redshift of the host galaxy UGC 04642 is from Fisher et al. 1995 (ApJS 100, 69 via NED)
28652018-10-11 06:48:56shnH. Sai, X. Wang, H. Lin, X. Zhang, D. Xiang, L. Rui(THU), H. Wang, T. Zhang (NAOC), J. Zhang (YNAO)TNTSSN IIn-pec0.023863TNTS

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