SN 2018oh
RA/DEC (2000)
09:06:39.580 +19:20:17.12
136.664917 +19.338089
Reporting Group
Discovering Data Source
Discovery Date
2018-02-04 11:45:36.000
Host Name
UGC 04780
Host Redshift
Discovery Mag
K. Z. Stanek, for the ASAS-SN team


 SN_2018oh - 2018-02-06 16:47:59 Lijiang-2.4m / YFOSC (None)z=
 SN_2018oh - 2018-02-05 00:03:12 Other / Other (None)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show C II at z=vexp= km/s
Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
Show N III at z=vexp= km/s
Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
Show O at z=vexp= km/s
Show [O I] at z=vexp= km/s
Show O II at z=vexp= km/s
Show [O II] at z=vexp= km/s
Show [O III] at z=vexp= km/s
Show O V at z=vexp= km/s
Show O VI at z=vexp= km/s
Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
   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
17072018-02-06 16:47:59Lijiang-2.4m / YFOSC1350Jujia ZhangNone tns_2018oh_2018-02-06.7_Lijiang-2.4m_YFOSC.datObject
16872018-02-05 00:03:12Other / Other600R LeadbeaterR LeadbeaterNone tns_2018oh_2018-02-05_00-03-12_Other_Other.dat tns_2018oh_2018-02-05_00-03-12_Other_Other.fitObjectR~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonASASSN-1_Brutus2018-01-27 07:12:00 - 2018-02-04 11:45:362
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
252082018-02-04 11:45:3615.15VegaMagV-JohnsonASASSN-1_Brutus
252072018-01-27 07:12:0017VegaMagV-JohnsonASASSN-1_Brutus[Last non detection]
i-SloanPS1_GPC12018-02-03 07:59:31 - 2018-02-03 07:59:311
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
252412018-02-03 07:59:3115.610.0120.7ABMagi-SloanPS1_GPC130Robot
orange-ATLASATLAS1_ACAM12018-01-25 14:25:26 - 2018-01-29 12:47:312
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
252392018-01-29 12:47:3117.1450.07318.59ABMagorange-ATLASATLAS1_ACAM130Robot
252382018-01-25 14:25:2614.86ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2017-11-22 21:53:16 - 2018-04-05 16:49:262
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
268692018-04-05 16:49:2616.530.2ABMagG-GaiaGaia_Gaia-photometric60Robot
268682017-11-22 21:53:1621.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
177012018-04-10 09:01:21Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts09:06:39.580+19:20:17.122018-04-05 16:49:26.00016.53G-GaiaPSNGaia18awjGaiaAlertsconfirmed SN Ia, aka SN2018oh
167792018-02-05 01:09:05PS1_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), A. Rest (STScI), B. E. Tucker (Mt Stromlo Observatory, ANU), G. Narayan (STScI), P. M. Garnavich (Notre Dame), S. Margheim (Gemini Observatory), D. Kasen (UCB/LBL), R. Olling, E. Shaya (University of Maryland)Pan-STARRS1Pan-STARRS109:06:39.572+19:20:17.132018-02-03 07:59:31.00015.61i-SloanPSNPS18grPan-STARRS1
167772018-02-05 00:00:06ATLAS_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)ATLASATLAS09:06:39.582+19:20:17.232018-01-29 12:47:31.00017.145orange-ATLASPSNATLAS18lwyATLAS
167512018-02-04 15:25:40KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SNASAS-SN09:06:39.540+19:20:17.772018-02-04 11:45:36.00015.15V-JohnsonPSNASASSN-18btASAS-SNClear detection in several telescopes, on the rise
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
17022018-02-07 09:38:36jujiaJujia Zhang, Yuxin Xin (YNAO), Wenxiong Li, Xiaofeng Wang (Tsinghua University), Hanjie Tan (Chinese Culture University)NoneSN Ia0.012The spectrum of SN 2018oh matches with the normal type Ia supernova SN 2003du at t = -8 days relative to the maximum light. 2018TNSCR2079....1Z
16822018-02-05 00:48:47THORobin LeadbeaterNoneSN Ia0.012Classification using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) predicts a type Ia supernova 6 days before maximum.2018TNSCR.159....1L


Object coordinates updated according to AT-report 17701 of Group GaiaAlerts
Previous RA, DEC: 09:06:39.540, +19:20:17.77 (136.66475, +19.33827)
Updated RA, DEC: 09:06:39.580, +19:20:17.12 (136.664917, 19.338089)