Exposure
ID
PIONI.2021-11-11T06:25:04.891_1
Header ID
PIONI.2021-11-11T06:25:04.891
Date updated
2021-11-11 06:35:47 UTC+0000
Release date
2021-11-11 06:25:04 UTC+0000
UTC Start
2021-11-11 06:25:04.891
UTC End
2021-11-11 06:25:30.491
MJD Start
59529.2674177177
MJD End
59529.267714014
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00342
Ambient temperature (°C)
10.51
Seeing (arcsec)
0.595
Observation
ID
48832
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
36500
Name
tau02 Eri
RA
42.758876
DEC
-21.0041
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.2180 80.1430 132.9000 133.0000
A0-J2 110.8130 110.6560 106.6000 106.6000
A0-J3 122.9960 122.8970 54.8840 54.9060
G1-J2 52.7830 52.7290 64.1000 64.1000
G1-J3 132.2140 132.2090 18.4680 18.5140
J2-J3 102.5140 102.5110 356.8640 356.9410
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 59529.2674177177
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758876
DEC -21.0041
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 G1
HIERARCH ESO ISS CONF STATION3 J2
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 80.218
HIERARCH ESO ISS PBL12 END 80.143
HIERARCH ESO ISS PBLA12 START 132.9
HIERARCH ESO ISS PBLA12 END 133.0
HIERARCH ESO ISS PBL13 START 110.813
HIERARCH ESO ISS PBL13 END 110.656
HIERARCH ESO ISS PBLA13 START 106.6
HIERARCH ESO ISS PBLA13 END 106.6
HIERARCH ESO ISS PBL14 START 122.996
HIERARCH ESO ISS PBL14 END 122.897
HIERARCH ESO ISS PBLA14 START 54.884
HIERARCH ESO ISS PBLA14 END 54.906
HIERARCH ESO ISS PBL23 START 52.783
HIERARCH ESO ISS PBL23 END 52.729
HIERARCH ESO ISS PBLA23 START 64.1
HIERARCH ESO ISS PBLA23 END 64.1
HIERARCH ESO ISS PBL24 START 132.214
HIERARCH ESO ISS PBL24 END 132.209
HIERARCH ESO ISS PBLA24 START 18.468
HIERARCH ESO ISS PBLA24 END 18.514
HIERARCH ESO ISS PBL34 START 102.514
HIERARCH ESO ISS PBL34 END 102.511
HIERARCH ESO ISS PBLA34 START 356.864
HIERARCH ESO ISS PBLA34 END 356.941
HIERARCH ESO ISS AMBI TAU0 START 0.003552
HIERARCH ESO ISS AMBI TAU0 END 0.003288
HIERARCH ESO ISS AMBI TEMP 10.51
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59