Exposure
ID
PIONI.2021-11-06T05:27:29.580_1
Header ID
PIONI.2021-11-06T05:27:29.580
Date updated
2021-11-06 05:35:30 UTC+0000
Release date
2021-11-06 05:27:29 UTC+0000
UTC Start
2021-11-06 05:27:29.579
UTC End
2021-11-06 05:27:55.179
MJD Start
59524.2274256856
MJD End
59524.2277219819
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003376
Ambient temperature (°C)
10.94
Seeing (arcsec)
0.63
Observation
ID
48774
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
36531
Name
10 Tau
RA
54.216137
DEC
0.39725
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2350 68.2250 271.4000 271.4000
K0-D0 95.5480 95.5700 252.8000 252.8000
K0-J3 51.8910 51.8630 331.4880 331.5470
G2-D0 37.8170 37.8370 217.6000 217.6000
G2-J3 61.7720 61.8050 44.6950 44.7290
D0-J3 99.4070 99.4620 41.9830 42.0170
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 59524.2274256856
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.216137
DEC 0.39725
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 68.235
HIERARCH ESO ISS PBL12 END 68.225
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.548
HIERARCH ESO ISS PBL13 END 95.57
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.891
HIERARCH ESO ISS PBL14 END 51.863
HIERARCH ESO ISS PBLA14 START 331.488
HIERARCH ESO ISS PBLA14 END 331.547
HIERARCH ESO ISS PBL23 START 37.817
HIERARCH ESO ISS PBL23 END 37.837
HIERARCH ESO ISS PBLA23 START 217.6
HIERARCH ESO ISS PBLA23 END 217.6
HIERARCH ESO ISS PBL24 START 61.772
HIERARCH ESO ISS PBL24 END 61.805
HIERARCH ESO ISS PBLA24 START 44.695
HIERARCH ESO ISS PBLA24 END 44.729
HIERARCH ESO ISS PBL34 START 99.407
HIERARCH ESO ISS PBL34 END 99.462
HIERARCH ESO ISS PBLA34 START 41.983
HIERARCH ESO ISS PBLA34 END 42.017
HIERARCH ESO ISS AMBI TAU0 START 0.003376
HIERARCH ESO ISS AMBI TAU0 END 0.003376
HIERARCH ESO ISS AMBI TEMP 10.94
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63