Exposure
ID
PIONI.2021-11-11T05:02:46.834_1
Header ID
PIONI.2021-11-11T05:02:46.834
Date updated
2021-11-11 05:10:33 UTC+0000
Release date
2021-11-11 05:02:46 UTC+0000
UTC Start
2021-11-11 05:02:46.834
UTC End
2021-11-11 05:03:12.434
MJD Start
59529.2102642814
MJD End
59529.2105605777
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002746
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.85
Observation
ID
48811
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
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
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 89.9040 89.8790 114.1000 114.1000
A0-J2 129.1620 129.1730 92.5000 92.5000
A0-J3 126.5570 126.6320 47.3860 47.4250
G1-J2 56.3120 56.3450 56.5000 56.5000
G1-J3 122.8430 122.8550 5.1570 5.2250
J2-J3 98.0630 98.0300 338.5210 338.5780
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 59529.2102642814
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
DEC -2.95473
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 89.904
HIERARCH ESO ISS PBL12 END 89.879
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 129.162
HIERARCH ESO ISS PBL13 END 129.173
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.557
HIERARCH ESO ISS PBL14 END 126.632
HIERARCH ESO ISS PBLA14 START 47.386
HIERARCH ESO ISS PBLA14 END 47.425
HIERARCH ESO ISS PBL23 START 56.312
HIERARCH ESO ISS PBL23 END 56.345
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 122.843
HIERARCH ESO ISS PBL24 END 122.855
HIERARCH ESO ISS PBLA24 START 5.157
HIERARCH ESO ISS PBLA24 END 5.225
HIERARCH ESO ISS PBL34 START 98.063
HIERARCH ESO ISS PBL34 END 98.03
HIERARCH ESO ISS PBLA34 START 338.521
HIERARCH ESO ISS PBLA34 END 338.578
HIERARCH ESO ISS AMBI TAU0 START 0.002746
HIERARCH ESO ISS AMBI TAU0 END 0.002746
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85