SN 2019xtw
RA/DEC (2000)
02:43:33.630 -38:37:30.76
40.890125 -38.625211
Reporting Group
Discovering Data Source
Discovery Date
2019-12-24 05:45:36.000
Host Name
ESO 299- G 013
Host Redshift
Discovery Mag
K. Z. Stanek, for the ASAS-SN team


 SN_2019xtw - 2019-12-27 13:55:18 FTS / FLOYDS-S (Global SN Project)z=
 SN_2019xtw - 2019-12-27 08:25:03 UH88 / SNIFS (SCAT)z=
 SN_2019xtw - 2019-12-27 08:25:03 UH88 / SNIFS (SCAT)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
57702019-12-27 13:55:18FTS / FLOYDS-S2700Las Cumbres ObservatoryDaichi HiramatsuGlobal SN Project tns_2019xtw_2019-12-27_13-55-18_FTS_FLOYDS-S_Global_SN_Project.ascii tns_2019xtw_2019-12-27_13-55-18_FTS_FLOYDS-S_Global_SN_Project.fitsObjectGlobal SN Project
58992019-12-27 08:25:03UH88 / SNIFS2400Aaron DoSCAT tns_2019xtw_2019-12-27_08-25-03_UH88_SNIFS_SCAT_0.datObjectSCATReduced with a summit-based quick-reduction pipeline.
58002019-12-27 08:25:03UH88 / SNIFS2400Aaron DoSCAT tns_2019xtw_2019-12-27_08-25-03_UH88_SNIFS_SCAT.datObjectSCATReduced with a summit-based quick-reduction pipeline.
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanASASSN-2_Cassius2019-12-23 05:31:12 - 2019-12-24 05:45:362
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1082802019-12-24 05:45:3617.1ABMagg-SloanASASSN-2_Cassius
1082792019-12-23 05:31:1218.6ABMagg-SloanASASSN-2_Cassius[Last non detection]
cyan-ATLASATLAS1_ACAM12019-12-24 08:05:16 - 2019-12-28 07:35:022
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1096602019-12-28 07:35:0216.5860.02519.56ABMagcyan-ATLASATLAS1_ACAM130Robot
1096592019-12-24 08:05:1619.57ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2019-11-20 04:55:12 - 2020-01-24 21:59:022
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1221212020-01-24 21:59:0216.980.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1221202019-11-20 04:55:1221.5ABMagG-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
625912020-02-23 18:30:47Gaia_Bot1S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlertsGaiaAlerts02:43:33.630-38:37:30.762020-01-24 21:59:02.00016.98G-GaiaPSNGaia20ayjGaiaAlertsconfirmed SN II
567762019-12-29 15:05:57ATLAS_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, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS02:43:33.638-38:37:31.942019-12-28 07:35:02.00016.586cyan-ATLASPSNATLAS19bdtfATLAS
556892019-12-24 16:03:05KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SNASAS-SN02:43:33.600-38:37:31.122019-12-24 05:45:36.00017.1g-SloanPSNASASSN-19aduASAS-SNPresent in two epochs, rapid rise, most likely a young core-collapse SN
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
58912020-01-13 22:56:00adoAaron Do, Michael A. Tucker, Anna V. Payne, Jason T. Hinkle, Mark E. Huber, Ben J. ShappeeSCATSN II0.015964SCATPreviously reported under classification ID 5792 as a generic SN. After talking with the rest of the SCAT team, we agreed that dhiramatsu et al. were correct with classification ID 5762.2020TNSCR1479....1D
57922019-12-30 17:25:50adoAaron Do, Michael A Tucker, Anna V Payne, Jason T Hinkle, Mark E Huber, Benjamin J Shappee (IfA UH Manoa)SCATSN0SCAT2019TNSCR2904....1D
57622019-12-27 21:59:24dhiramatsuDaichi Hiramatsu, Iair Arcavi, Jamison Burke, D. Andrew Howell, Curtis McCully, Craig Pellegrino, Stefano ValentiGlobal SN ProjectSN II0.015964Global SN ProjectThe blue continuum with the appearing broad hydrogen features at the host redshift (0.015964; 1998AJ….116….1D, consistent with the narrow Hα and S II lines) suggests a young Type II.2019TNSCR2712....1H


Object coordinates updated according to AT-report 62591 of Group GaiaAlerts
Previous RA, DEC: 02:43:33.638, -38:37:31.94 (40.8901588889, -38.6255391111)
Updated RA, DEC: 02:43:33.630, -38:37:30.76 (40.890125, -38.625211)

Object coordinates updated according to AT-report 56776 of Group ATLAS
Previous RA, DEC: 02:43:33.600, -38:37:31.12 (40.89, -38.62531)
Updated RA, DEC: 02:43:33.638, -38:37:31.94 (40.8901588889, -38.6255391111)