Exposure
ID
PIONI.2021-11-11T06:23:48.541_1
Header ID
PIONI.2021-11-11T06:23:48.541
Date updated
2021-11-11 06:31:23 UTC+0000
Release date
2021-11-11 06:23:48 UTC+0000
UTC Start
2021-11-11 06:23:48.541
UTC End
2021-11-11 06:24:14.141
MJD Start
59529.266534037
MJD End
59529.2668303333
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003552
Ambient temperature (°C)
10.55
Seeing (arcsec)
0.6
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 80.3770 80.3040 132.7000 132.8000
A0-J2 111.1420 110.9910 106.4000 106.5000
A0-J3 123.2030 123.1080 54.8380 54.8600
G1-J2 52.8970 52.8450 64.1000 64.1000
G1-J3 132.2260 132.2200 18.3690 18.4150
J2-J3 102.5190 102.5160 356.7000 356.7760
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 59529.266534037
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 80.377
HIERARCH ESO ISS PBL12 END 80.304
HIERARCH ESO ISS PBLA12 START 132.7
HIERARCH ESO ISS PBLA12 END 132.8
HIERARCH ESO ISS PBL13 START 111.142
HIERARCH ESO ISS PBL13 END 110.991
HIERARCH ESO ISS PBLA13 START 106.4
HIERARCH ESO ISS PBLA13 END 106.5
HIERARCH ESO ISS PBL14 START 123.203
HIERARCH ESO ISS PBL14 END 123.108
HIERARCH ESO ISS PBLA14 START 54.838
HIERARCH ESO ISS PBLA14 END 54.86
HIERARCH ESO ISS PBL23 START 52.897
HIERARCH ESO ISS PBL23 END 52.845
HIERARCH ESO ISS PBLA23 START 64.1
HIERARCH ESO ISS PBLA23 END 64.1
HIERARCH ESO ISS PBL24 START 132.226
HIERARCH ESO ISS PBL24 END 132.22
HIERARCH ESO ISS PBLA24 START 18.369
HIERARCH ESO ISS PBLA24 END 18.415
HIERARCH ESO ISS PBL34 START 102.519
HIERARCH ESO ISS PBL34 END 102.516
HIERARCH ESO ISS PBLA34 START 356.7
HIERARCH ESO ISS PBLA34 END 356.776
HIERARCH ESO ISS AMBI TAU0 START 0.003552
HIERARCH ESO ISS AMBI TAU0 END 0.003552
HIERARCH ESO ISS AMBI TEMP 10.55
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6