Exposure
ID
PIONI.2021-11-11T05:04:03.202_1
Header ID
PIONI.2021-11-11T05:04:03.202
Date updated
2021-11-11 05:10:33 UTC+0000
Release date
2021-11-11 05:04:03 UTC+0000
UTC Start
2021-11-11 05:04:03.202
UTC End
2021-11-11 05:04:28.802
MJD Start
59529.2111481698
MJD End
59529.2114444661
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0024765
Ambient temperature (°C)
11.1
Seeing (arcsec)
0.99
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 89.8500 89.8240 114.1000 114.1000
A0-J2 129.1840 129.1930 92.5000 92.5000
A0-J3 126.7150 126.7890 47.4670 47.5060
G1-J2 56.3800 56.4120 56.5000 56.6000
G1-J3 122.8680 122.8800 5.3000 5.3680
J2-J3 97.9930 97.9600 338.6410 338.6990
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 59529.2111481698
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 89.85
HIERARCH ESO ISS PBL12 END 89.824
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 129.184
HIERARCH ESO ISS PBL13 END 129.193
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.715
HIERARCH ESO ISS PBL14 END 126.789
HIERARCH ESO ISS PBLA14 START 47.467
HIERARCH ESO ISS PBLA14 END 47.506
HIERARCH ESO ISS PBL23 START 56.38
HIERARCH ESO ISS PBL23 END 56.412
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.6
HIERARCH ESO ISS PBL24 START 122.868
HIERARCH ESO ISS PBL24 END 122.88
HIERARCH ESO ISS PBLA24 START 5.3
HIERARCH ESO ISS PBLA24 END 5.368
HIERARCH ESO ISS PBL34 START 97.993
HIERARCH ESO ISS PBL34 END 97.96
HIERARCH ESO ISS PBLA34 START 338.641
HIERARCH ESO ISS PBLA34 END 338.699
HIERARCH ESO ISS AMBI TAU0 START 0.002746
HIERARCH ESO ISS AMBI TAU0 END 0.002207
HIERARCH ESO ISS AMBI TEMP 11.1
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.99