Exposure
ID
PIONI.2021-11-10T04:54:24.805_1
Header ID
PIONI.2021-11-10T04:54:24.805
Date updated
2021-11-10 05:01:23 UTC+0000
Release date
2021-11-10 04:54:24 UTC+0000
UTC Start
2021-11-10 04:54:24.805
UTC End
2021-11-10 04:54:50.405
MJD Start
59528.2044537561
MJD End
59528.2047500524
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003505
Ambient temperature (°C)
9.71
Seeing (arcsec)
0.64
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 90.3080 90.2940 113.8000 113.8000
A0-J2 128.7410 128.7690 92.3000 92.3000
A0-J3 124.9300 125.0110 46.5420 46.5800
G1-J2 55.5950 55.6320 55.8000 55.9000
G1-J3 122.6360 122.6440 3.7640 3.8260
J2-J3 98.7410 98.7090 337.3960 337.4430
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 59528.2044537561
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 90.308
HIERARCH ESO ISS PBL12 END 90.294
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 128.741
HIERARCH ESO ISS PBL13 END 128.769
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 124.93
HIERARCH ESO ISS PBL14 END 125.011
HIERARCH ESO ISS PBLA14 START 46.542
HIERARCH ESO ISS PBLA14 END 46.58
HIERARCH ESO ISS PBL23 START 55.595
HIERARCH ESO ISS PBL23 END 55.632
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 122.636
HIERARCH ESO ISS PBL24 END 122.644
HIERARCH ESO ISS PBLA24 START 3.764
HIERARCH ESO ISS PBLA24 END 3.826
HIERARCH ESO ISS PBL34 START 98.741
HIERARCH ESO ISS PBL34 END 98.709
HIERARCH ESO ISS PBLA34 START 337.396
HIERARCH ESO ISS PBLA34 END 337.443
HIERARCH ESO ISS AMBI TAU0 START 0.003296
HIERARCH ESO ISS AMBI TAU0 END 0.003714
HIERARCH ESO ISS AMBI TEMP 9.71
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.62