Exposure
ID
PIONI.2021-11-02T05:00:29.423_1
Header ID
PIONI.2021-11-02T05:00:29.423
Date updated
2021-11-02 05:06:22 UTC+0000
Release date
2021-11-02 05:00:29 UTC+0000
UTC Start
2021-11-02 05:00:29.423
UTC End
2021-11-02 05:00:55.023
MJD Start
59520.208673879
MJD End
59520.2089701753
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003012
Ambient temperature (°C)
11.14
Seeing (arcsec)
0.87
Observation
ID
48673
Category
calibrator
Program ID
108.227F.001
Program Title
THE FIRST INTERFEROMETRIC IMAGE OF A SUNLIKE STAR: EPS ERIDANI
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ FISCHER/ DAVIES
Target
ID
36453
Name
10 Tau
RA
54.215307
DEC
0.39784
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.5080 24.4970 138.0000 138.0000
A0-D0 30.8200 30.8410 72.3000 72.3000
A0-C1 22.5860 22.5830 113.5260 113.5280
B2-D0 30.4880 30.5040 25.1000 25.2000
B2-C1 10.1560 10.1610 25.0950 25.1590
D0-C1 20.3320 20.3430 205.1650 205.2290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227F.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59520.208673879
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215307
DEC 0.39784
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.508
HIERARCH ESO ISS PBL12 END 24.497
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.0
HIERARCH ESO ISS PBL13 START 30.82
HIERARCH ESO ISS PBL13 END 30.841
HIERARCH ESO ISS PBLA13 START 72.3
HIERARCH ESO ISS PBLA13 END 72.3
HIERARCH ESO ISS PBL14 START 22.586
HIERARCH ESO ISS PBL14 END 22.583
HIERARCH ESO ISS PBLA14 START 113.526
HIERARCH ESO ISS PBLA14 END 113.528
HIERARCH ESO ISS PBL23 START 30.488
HIERARCH ESO ISS PBL23 END 30.504
HIERARCH ESO ISS PBLA23 START 25.1
HIERARCH ESO ISS PBLA23 END 25.2
HIERARCH ESO ISS PBL24 START 10.156
HIERARCH ESO ISS PBL24 END 10.161
HIERARCH ESO ISS PBLA24 START 25.095
HIERARCH ESO ISS PBLA24 END 25.159
HIERARCH ESO ISS PBL34 START 20.332
HIERARCH ESO ISS PBL34 END 20.343
HIERARCH ESO ISS PBLA34 START 205.165
HIERARCH ESO ISS PBLA34 END 205.229
HIERARCH ESO ISS AMBI TAU0 START 0.003012
HIERARCH ESO ISS AMBI TAU0 END 0.003012
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87