Exposure
ID
PIONI.2021-11-11T05:57:52.179_1
Header ID
PIONI.2021-11-11T05:57:52.179
Date updated
2021-11-11 06:05:39 UTC+0000
Release date
2021-11-11 05:57:52 UTC+0000
UTC Start
2021-11-11 05:57:52.179
UTC End
2021-11-11 05:58:17.779
MJD Start
59529.2485205932
MJD End
59529.2488168895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003824
Ambient temperature (°C)
11.12
Seeing (arcsec)
0.63
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 83.4620 83.3950 128.5000 128.6000
A0-J2 117.3060 117.1760 103.3000 103.3000
A0-J3 126.9210 126.8460 53.7390 53.7670
G1-J2 54.9650 54.9230 62.8000 62.9000
G1-J3 132.3790 132.3770 16.2580 16.3090
J2-J3 102.6740 102.6690 353.3770 353.4530
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 59529.2485205932
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 83.462
HIERARCH ESO ISS PBL12 END 83.395
HIERARCH ESO ISS PBLA12 START 128.5
HIERARCH ESO ISS PBLA12 END 128.6
HIERARCH ESO ISS PBL13 START 117.306
HIERARCH ESO ISS PBL13 END 117.176
HIERARCH ESO ISS PBLA13 START 103.3
HIERARCH ESO ISS PBLA13 END 103.3
HIERARCH ESO ISS PBL14 START 126.921
HIERARCH ESO ISS PBL14 END 126.846
HIERARCH ESO ISS PBLA14 START 53.739
HIERARCH ESO ISS PBLA14 END 53.767
HIERARCH ESO ISS PBL23 START 54.965
HIERARCH ESO ISS PBL23 END 54.923
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.9
HIERARCH ESO ISS PBL24 START 132.379
HIERARCH ESO ISS PBL24 END 132.377
HIERARCH ESO ISS PBLA24 START 16.258
HIERARCH ESO ISS PBLA24 END 16.309
HIERARCH ESO ISS PBL34 START 102.674
HIERARCH ESO ISS PBL34 END 102.669
HIERARCH ESO ISS PBLA34 START 353.377
HIERARCH ESO ISS PBLA34 END 353.453
HIERARCH ESO ISS AMBI TAU0 START 0.003824
HIERARCH ESO ISS AMBI TAU0 END 0.003824
HIERARCH ESO ISS AMBI TEMP 11.12
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63