SN 2018hfg
RA/DEC (2000)
08:52:56.190 +42:24:46.48
133.234125 +42.412911
Reporting Group
Discovering Data Source
Discovery Date
2018-10-09 11:45:36.000
Host Name
UGC 04642
Host Redshift
Discovery Mag
K. Z. Stanek, for the ASAS-SN team


 SN_2018hfg - 2018-10-11 01:40:48 Ekar / AFOSC (Padova-Asiago)z=
 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=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
28762018-10-11 01:40:48Ekar / AFOSC900Nascimbeni, GranataBenettiPadova-Asiago tns_2018hfg_2018-10-11.07_Ekar_AFOSC_Padova-Asiago.dat tns_2018hfg_2018-10-11.07_Ekar_AFOSC_Padova-Asiago.fitsObjectPadova-Asiago2019-10-11
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
w-PS1PS1_GPC12018-12-16 14:00:57 - 2018-12-16 14:00:571
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
464272018-12-16 14:00:5716.570.0122ABMagw-PS1PS1_GPC145Robot
orange-ATLASATLAS1_ACAM12018-09-23 14:41:16 - 2018-10-23 13:40:472
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
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
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]
r-ZTFP48_ZTF-Cam2019-02-20 08:50:46 - 2019-04-09 04:42:544
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
605562019-04-09 04:42:5417.470.0620.61ABMagr-ZTFP48_ZTF-Cam30
545922019-02-26 05:13:5517.08ABMagr-ZTFP48_ZTF-Cam30ZTF
545912019-02-20 08:51:2117.01ABMagr-ZTFP48_ZTF-Cam30ZTF
605572019-02-20 08:50:4617.010.0818.85ABMagr-ZTFP48_ZTF-Cam30
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
326592019-04-09 13:56:48ZTF_AMPEL_COMPLETEJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF08:52:56.183+42:24:46.502019-02-20 08:50:46.00017.47r-ZTFPSNZTF18acsulmuZTF
303132019-02-28 08:38:24ZTF_Bot1C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaborationZTFZTF08:52:56.189+42:24:46.502019-02-20 08:51:21.00017.01r-ZTFPSNZTF18acsulmuZTF
265672018-12-17 23:30:05PS1_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-STARRS1Pan-STARRS108:52:56.186+42:24:46.412018-12-16 14:00:57.00016.57w-PS1PSNPS18cdePan-STARRS1
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 teamGaiaAlertsGaiaAlerts08:52:56.190+42:24:46.482018-10-07 06:48:57.00017.01G-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)ATLASATLAS08:52:56.180+42:24:46.572018-10-23 13:40:47.00016.382orange-ATLASPSNATLAS18xsqATLAS
234342018-10-09 21:19:05KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SNASAS-SN08:52:56.316+42:24:47.022018-10-09 11:45:36.00016.9g-SloanPSNASASSN-18xkASAS-SNIn several epochs, on the rise
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
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).2018TNSCR2154....1Z
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)2018TNSCR2155....1N
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-pec0.023863TNTS2018TNSCR1556....1S


Object coordinates updated according to AT-report 24422 of Group GaiaAlerts
Previous RA, DEC: 08:52:56.316, +42:24:47.02 (133.23465, +42.41306)
Updated RA, DEC: 08:52:56.190, +42:24:46.48 (133.234125, 42.412911)