RA/DEC (2000)
03:55:20.810 -56:45:14.44
58.836708 -56.754011
Type
SN IIb
Redshift
0.024
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2018-08-17 07:55:12.000
TNS AT
Y
Public
Y
Host Name
IC 2014
Host Redshift
0.02428
Discovery Mag
17.8
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2018fex - 2018-08-19 09:57:33 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 
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Show WR-WN at z=vexp= km/s
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   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
2566 2018-08-19 09:57:33 ESO-NTT / EFOSC2-NTT 600 Z. Kostrzewa-Rutkowska, E. Callis M. Fraser ePESSTO tns_2018fex_2018-08-19_09-57-33_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2018fex_2018-08-19_09-57-33_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-3_Paczynski 2018-08-01 09:07:12 - 2018-08-17 07:55:12 2458331.88 - 2458347.83 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
34034 2018-08-17 07:55:12 2458347.83 17.8 ABMag g-Sloan ASASSN-3_Paczynski
34033 2018-08-01 09:07:12 2458331.88 18 ABMag g-Sloan ASASSN-3_Paczynski [Last non detection]
G-Gaia Gaia_Gaia-photometric 2018-07-15 21:41:45 - 2018-08-18 21:17:16 2458315.4039931 - 2458349.3869907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
34239 2018-08-18 21:17:16 2458349.3869907 17.57 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
34238 2018-07-15 21:41:45 2458315.4039931 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
21822 2018-08-21 16:39:00 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 03:55:20.810 -56:45:14.44 2018-08-18 21:17:16.000 17.57 G-Gaia PSN Gaia18chi GaiaAlerts confirmed SN IIb, aka SN 2018fex N
21726 2018-08-18 15:44:01 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 03:55:20.914 -56:45:13.00 2018-08-17 07:55:12.000 17.8 g-Sloan PSN IC 2014 ASASSN-18ss ASAS-SN In several epochs 2018TNSTR1202....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
2559 2018-08-19 20:03:04 ePESSTO_Bot1 Z. Kostrzewa-Rutkowska, E. Callis, M. Fraser, O. Yaron on behalf of ePESSTO ePESSTO SN IIb 0.024 1 ePESSTO 2018TNSCR1212....1K
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
2566 2018-08-19 09:57:33 ESO-NTT / EFOSC2-NTT 600 Z. Kostrzewa-Rutkowska, E. Callis M. Fraser ePESSTO tns_2018fex_2018-08-19_09-57-33_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2018fex_2018-08-19_09-57-33_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 21822 of Group GaiaAlerts
Previous RA, DEC: 03:55:20.914, -56:45:13.00 (58.83714, -56.75361)
Updated RA, DEC: 03:55:20.810, -56:45:14.44 (58.836708, -56.754011)