Exposure
ID
PIONI.2021-11-10T04:55:02.849_1
Header ID
PIONI.2021-11-10T04:55:02.849
Date updated
2021-11-10 05:01:23 UTC+0000
Release date
2021-11-10 04:55:02 UTC+0000
UTC Start
2021-11-10 04:55:02.848
UTC End
2021-11-10 04:55:28.448
MJD Start
59528.2048940784
MJD End
59528.2051903747
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003714
Ambient temperature (°C)
9.68
Seeing (arcsec)
0.62
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 90.2930 90.2770 113.8000 113.8000
A0-J2 128.7720 128.8000 92.3000 92.3000
A0-J3 125.0180 125.1010 46.5880 46.6320
G1-J2 55.6350 55.6720 55.9000 55.9000
G1-J3 122.6450 122.6540 3.8360 3.9050
J2-J3 98.7060 98.6730 337.4520 337.5060
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 59528.2048940784
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 90.293
HIERARCH ESO ISS PBL12 END 90.277
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 128.772
HIERARCH ESO ISS PBL13 END 128.8
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 125.018
HIERARCH ESO ISS PBL14 END 125.101
HIERARCH ESO ISS PBLA14 START 46.588
HIERARCH ESO ISS PBLA14 END 46.632
HIERARCH ESO ISS PBL23 START 55.635
HIERARCH ESO ISS PBL23 END 55.672
HIERARCH ESO ISS PBLA23 START 55.9
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 122.645
HIERARCH ESO ISS PBL24 END 122.654
HIERARCH ESO ISS PBLA24 START 3.836
HIERARCH ESO ISS PBLA24 END 3.905
HIERARCH ESO ISS PBL34 START 98.706
HIERARCH ESO ISS PBL34 END 98.673
HIERARCH ESO ISS PBLA34 START 337.452
HIERARCH ESO ISS PBLA34 END 337.506
HIERARCH ESO ISS AMBI TAU0 START 0.003714
HIERARCH ESO ISS AMBI TAU0 END 0.003714
HIERARCH ESO ISS AMBI TEMP 9.68
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62