Exposure
ID
PIONI.2021-10-30T03:23:22.259_1
Header ID
PIONI.2021-10-30T03:23:22.259
Date updated
2021-10-30 03:31:37 UTC+0000
Release date
2021-10-30 03:23:22 UTC+0000
UTC Start
2021-10-30 03:23:22.259
UTC End
2021-10-30 03:23:47.859
MJD Start
59517.1412298474
MJD End
59517.1415261437
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00685
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.54
Observation
ID
48672
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
36452
Name
32 Eri A
RA
58.571934
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.9300 24.9370 136.5000 136.4000
A0-D0 23.0790 23.1310 62.7000 62.8000
A0-C1 20.1670 20.1910 114.9900 114.9660
B2-D0 28.8510 28.8560 6.6000 6.7000
B2-C1 9.6130 9.6150 6.5770 6.6770
D0-C1 19.2380 19.2420 186.6400 186.7400
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 59517.1412298474
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.571934
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.93
HIERARCH ESO ISS PBL12 END 24.937
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.4
HIERARCH ESO ISS PBL13 START 23.079
HIERARCH ESO ISS PBL13 END 23.131
HIERARCH ESO ISS PBLA13 START 62.7
HIERARCH ESO ISS PBLA13 END 62.8
HIERARCH ESO ISS PBL14 START 20.167
HIERARCH ESO ISS PBL14 END 20.191
HIERARCH ESO ISS PBLA14 START 114.99
HIERARCH ESO ISS PBLA14 END 114.966
HIERARCH ESO ISS PBL23 START 28.851
HIERARCH ESO ISS PBL23 END 28.856
HIERARCH ESO ISS PBLA23 START 6.6
HIERARCH ESO ISS PBLA23 END 6.7
HIERARCH ESO ISS PBL24 START 9.613
HIERARCH ESO ISS PBL24 END 9.615
HIERARCH ESO ISS PBLA24 START 6.577
HIERARCH ESO ISS PBLA24 END 6.677
HIERARCH ESO ISS PBL34 START 19.238
HIERARCH ESO ISS PBL34 END 19.242
HIERARCH ESO ISS PBLA34 START 186.64
HIERARCH ESO ISS PBLA34 END 186.74
HIERARCH ESO ISS AMBI TAU0 START 0.00685
HIERARCH ESO ISS AMBI TAU0 END 0.00685
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54