Exposure
ID
PIONI.2021-10-29T06:09:54.419_1
Header ID
PIONI.2021-10-29T06:09:54.419
Date updated
2021-10-29 06:16:37 UTC+0000
Release date
2021-10-29 06:09:54 UTC+0000
UTC Start
2021-10-29 06:09:54.419
UTC End
2021-10-29 06:10:20.019
MJD Start
59516.2568798526
MJD End
59516.2571761489
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006352
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.4
Observation
ID
48671
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
36451
Name
bet Eri
RA
76.960918
DEC
-5.08681
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 25.2360 25.2330 137.1000 137.1000
A0-D0 29.5540 29.5840 69.0000 69.1000
A0-C1 22.4370 22.4440 113.1050 113.1070
B2-D0 30.8840 30.8960 19.7000 19.8000
B2-C1 10.2880 10.2920 19.6710 19.7430
D0-C1 20.5950 20.6030 199.7400 199.8120
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 59516.2568798526
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME bet Eri
RA 76.960918
DEC -5.08681
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 25.236
HIERARCH ESO ISS PBL12 END 25.233
HIERARCH ESO ISS PBLA12 START 137.1
HIERARCH ESO ISS PBLA12 END 137.1
HIERARCH ESO ISS PBL13 START 29.554
HIERARCH ESO ISS PBL13 END 29.584
HIERARCH ESO ISS PBLA13 START 69.0
HIERARCH ESO ISS PBLA13 END 69.1
HIERARCH ESO ISS PBL14 START 22.437
HIERARCH ESO ISS PBL14 END 22.444
HIERARCH ESO ISS PBLA14 START 113.105
HIERARCH ESO ISS PBLA14 END 113.107
HIERARCH ESO ISS PBL23 START 30.884
HIERARCH ESO ISS PBL23 END 30.896
HIERARCH ESO ISS PBLA23 START 19.7
HIERARCH ESO ISS PBLA23 END 19.8
HIERARCH ESO ISS PBL24 START 10.288
HIERARCH ESO ISS PBL24 END 10.292
HIERARCH ESO ISS PBLA24 START 19.671
HIERARCH ESO ISS PBLA24 END 19.743
HIERARCH ESO ISS PBL34 START 20.595
HIERARCH ESO ISS PBL34 END 20.603
HIERARCH ESO ISS PBLA34 START 199.74
HIERARCH ESO ISS PBLA34 END 199.812
HIERARCH ESO ISS AMBI TAU0 START 0.006352
HIERARCH ESO ISS AMBI TAU0 END 0.006352
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4