RA/DEC (2000)
22:50:16.090 -44:51:53.50
342.567042 -44.864861
Type
TDE
Redshift
0.06
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
Comments
[Prefix updated to TDE by admin on 2025-01-26]
Discovery Mag
17.8
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 TDE_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 He II at z=vexp= km/s
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Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
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Show Si II at z=vexp= km/s
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Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II 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)

Light curves

 ASASSN-3_Paczynski_g
 Gaia_Gaia-photometric_G
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
2730 2018-09-15 03:49:45 ESO-NTT / EFOSC2-NTT 599 T. Wevers, M. Gromadzki J. Lyman ePESSTO 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.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-3_Paczynski 2018-08-29 05:16:48 - 2018-09-08 05:31:12 2458359.72 - 2458369.73 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
35319 2018-09-08 05:31:12 2458369.73 17.8 ABMag g-Sloan ASASSN-3_Paczynski
35318 2018-08-29 05:16:48 2458359.72 17.4 ABMag g-Sloan ASASSN-3_Paczynski [Last non detection]
G-Gaia Gaia_Gaia-photometric 2018-06-05 15:38:52 - 2018-10-08 01:48:00 2458275.1519907 - 2458399.575 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
37353 2018-10-08 01:48:00 2458399.575 17.37 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
37352 2018-06-05 15:38:52 2458275.1519907 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
23425 2018-10-09 16:28:01 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 22:50:16.090 -44:51:53.50 2018-10-08 01:48:00.000 17.37 G-Gaia Other Gaia18cyc GaiaAlerts nuclear blue transient, known TDE ASASSN-18ul N
22363 2018-09-08 21:32:48 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 22:50:16.135 -44:51:52.45 2018-09-08 05:31:12.000 17.8 g-Sloan PSN LCRS B224721.6-450748 ASASSN-18ul ASAS-SN In several epochs, unknown redshift host 2018TNSTR1325....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
2723 2018-09-16 07:01:01 ePESSTO_Bot1 T. Wevers, M. Gromadzki, J. Lyman, O. Yaron on behalf of ePESSTO ePESSTO TDE 0.06 1 ePESSTO 2018TNSCR1397....1W
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
2730 2018-09-15 03:49:45 ESO-NTT / EFOSC2-NTT 599 T. Wevers, M. Gromadzki J. Lyman ePESSTO 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.fits Object

Comments

TNS
System

Object coordinates updated

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)