AT 2018fyk
RA/DEC (2000)
22:50:16.090 -44:51:53.50
342.567042 -44.864861
Type
TDE
Redshift
0.06
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2018-09-08 05:31:12.000
TNS AT
Y
Public
Y
Host Name
LCRS B224721.6-450748
Discovery Mag
17.8
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2018fyk - 2018-09-15 03:49:45 ESO-NTT / EFOSC2-NTT (ePESSTO)z=
▌Show H at z=vexp= km/s
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▌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
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▌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)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
27302018-09-15 03:49:45ESO-NTT / EFOSC2-NTT599T. Wevers, M. GromadzkiJ. LymanePESSTO tns_2018fyk_2018-09-15_03-49-45_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2018fyk_2018-09-15_03-49-45_ESO-NTT_EFOSC2-NTT_ePESSTO.fitsObjectePESSTO
Light Curves
FilterTel / InstObs-date rangePhotometry
G-GaiaGaia_Gaia-photometric2018-06-05 15:38:52 - 2018-10-08 01:48:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
373532018-10-08 01:48:0017.370.2ABMagG-GaiaGaia_Gaia-photometric60Robot
373522018-06-05 15:38:5221.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-SloanASASSN-3_Paczynski2018-08-29 05:16:48 - 2018-09-08 05:31:122
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
353192018-09-08 05:31:1217.8ABMagg-SloanASASSN-3_Paczynski
353182018-08-29 05:16:4817.4ABMagg-SloanASASSN-3_Paczynski[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
234252018-10-09 16:28:01Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts22:50:16.090-44:51:53.502018-10-08 01:48:00.00017.37G-GaiaOtherGaia18cycGaiaAlertsnuclear blue transient, known TDE ASASSN-18ul
223632018-09-08 21:32:48KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SNASAS-SN22:50:16.135-44:51:52.452018-09-08 05:31:12.00017.8g-SloanPSNASASSN-18ulASAS-SNIn several epochs, unknown redshift host
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
27232018-09-16 07:01:01ePESSTO_Bot1T. Wevers, M. Gromadzki, J. Lyman, O. Yaron on behalf of ePESSTOePESSTOTDE0.06ePESSTO2018TNSCR1397....1W

Comments

TNS System (WIS)

Sun, 06/23/2019 - 10:45

Object coordinates updated according to AT-report 23425 of Group GaiaAlerts
Previous RA, DEC: 22:50:16.135, -44:51:52.45 (342.56723, -44.86457)
Updated RA, DEC: 22:50:16.090, -44:51:53.50 (342.567042, -44.864861)

Patrick Vallely (The Ohio State University)

Mon, 09/10/2018 - 13:47

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-18ul.png