Exposure
ID
PIONI.2021-10-29T05:55:02.852_1
Header ID
PIONI.2021-10-29T05:55:02.852
Date updated
2021-10-29 06:01:47 UTC+0000
Release date
2021-10-29 05:55:02 UTC+0000
UTC Start
2021-10-29 05:55:02.852
UTC End
2021-10-29 05:55:28.452
MJD Start
59516.2465607882
MJD End
59516.2468570845
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005877
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.47
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 24.3940 24.3820 139.8000 139.8000
A0-D0 31.5670 31.5800 72.0000 72.1000
A0-C1 22.4600 22.4540 114.1110 114.1260
B2-D0 31.7490 31.7630 26.7000 26.8000
B2-C1 10.5760 10.5800 26.6710 26.7290
D0-C1 21.1730 21.1830 206.7380 206.7960
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 59516.2465607882
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 24.394
HIERARCH ESO ISS PBL12 END 24.382
HIERARCH ESO ISS PBLA12 START 139.8
HIERARCH ESO ISS PBLA12 END 139.8
HIERARCH ESO ISS PBL13 START 31.567
HIERARCH ESO ISS PBL13 END 31.58
HIERARCH ESO ISS PBLA13 START 72.0
HIERARCH ESO ISS PBLA13 END 72.1
HIERARCH ESO ISS PBL14 START 22.46
HIERARCH ESO ISS PBL14 END 22.454
HIERARCH ESO ISS PBLA14 START 114.111
HIERARCH ESO ISS PBLA14 END 114.126
HIERARCH ESO ISS PBL23 START 31.749
HIERARCH ESO ISS PBL23 END 31.763
HIERARCH ESO ISS PBLA23 START 26.7
HIERARCH ESO ISS PBLA23 END 26.8
HIERARCH ESO ISS PBL24 START 10.576
HIERARCH ESO ISS PBL24 END 10.58
HIERARCH ESO ISS PBLA24 START 26.671
HIERARCH ESO ISS PBLA24 END 26.729
HIERARCH ESO ISS PBL34 START 21.173
HIERARCH ESO ISS PBL34 END 21.183
HIERARCH ESO ISS PBLA34 START 206.738
HIERARCH ESO ISS PBLA34 END 206.796
HIERARCH ESO ISS AMBI TAU0 START 0.005877
HIERARCH ESO ISS AMBI TAU0 END 0.005877
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47