SN 2018hfg
RA/DEC (2000)
08:52:56.316 +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

Spectra

 SN_2018hfg - 2018-10-10 20:13:03 BAO-2.16m / Cassegrain (TNTS)z=
 SN_2018hfg - 2018-10-10 12:57:36 Lick 3m / KAST (LOSS)z=
Show H at z=vexp= km/s
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Show Fe II at z=vexp= km/s
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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
28722018-10-10 20:13:03BAO-2.16m / Cassegrain3000Jia junjunHann SaiTNTS tns_2018hfg_2458402.3424_BAO-2.16m_Cassegrain_TNTS.txtTNTS
28782018-10-10 12:57:36Lick 3m / KASTWeiKang ZhengThomas BrinkLOSS tns_2018hfg_2018-10-10.540_Lick_3m_KAST_LOSS.flmLOSS
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12018-09-23 14:41:16 - 2018-10-23 13:40:472
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
379552018-10-23 13:40:4716.3820.03518.47ABMagorange-ATLASATLAS1_ACAM130Robot
379542018-09-23 14:41:1618.76ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2018-05-30 12:34:33 - 2018-10-07 06:48:572
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
397812018-10-07 06:48:5717.010.2ABMagG-GaiaGaia_Gaia-photometric60Robot
397802018-05-30 12:34:3321.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
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
244222018-11-08 10:21:14Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts08:52:56.190+42:24:46.482018-10-07 06:48:5717.01G-GaiaPSNGaia18diaGaiaAlertsconfirmed SN II aka ASASSN-18xk
237282018-10-24 15:39:02ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, K. Maguire, S. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLAS08:52:56.180+42:24:46.572018-10-23 13:40:4716.382orange-ATLASPSNATLAS18xsqATLAS
234342018-10-09 21:19:05KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN08:52:56.316+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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