Exposure
ID
PIONI.2021-10-29T05:22:07.741_1
Header ID
PIONI.2021-10-29T05:22:07.741
Date updated
2021-10-29 05:26:26 UTC+0000
Release date
2021-10-29 05:22:07 UTC+0000
UTC Start
2021-10-29 05:22:07.741
UTC End
2021-10-29 05:22:33.341
MJD Start
59516.2237007078
MJD End
59516.2239970041
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003596
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.64
Observation
ID
48673
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
36453
Name
10 Tau
RA
54.215307
DEC
0.39784
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 24.3960 24.3840 138.3000 138.3000
A0-D0 31.0230 31.0430 72.4000 72.4000
A0-C1 22.5480 22.5440 113.5530 113.5570
B2-D0 30.6510 30.6680 25.8000 25.8000
B2-C1 10.2100 10.2160 25.7250 25.7880
D0-C1 20.4410 20.4520 205.7940 205.8570
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 59516.2237007078
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215307
DEC 0.39784
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 24.396
HIERARCH ESO ISS PBL12 END 24.384
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 138.3
HIERARCH ESO ISS PBL13 START 31.023
HIERARCH ESO ISS PBL13 END 31.043
HIERARCH ESO ISS PBLA13 START 72.4
HIERARCH ESO ISS PBLA13 END 72.4
HIERARCH ESO ISS PBL14 START 22.548
HIERARCH ESO ISS PBL14 END 22.544
HIERARCH ESO ISS PBLA14 START 113.553
HIERARCH ESO ISS PBLA14 END 113.557
HIERARCH ESO ISS PBL23 START 30.651
HIERARCH ESO ISS PBL23 END 30.668
HIERARCH ESO ISS PBLA23 START 25.8
HIERARCH ESO ISS PBLA23 END 25.8
HIERARCH ESO ISS PBL24 START 10.21
HIERARCH ESO ISS PBL24 END 10.216
HIERARCH ESO ISS PBLA24 START 25.725
HIERARCH ESO ISS PBLA24 END 25.788
HIERARCH ESO ISS PBL34 START 20.441
HIERARCH ESO ISS PBL34 END 20.452
HIERARCH ESO ISS PBLA34 START 205.794
HIERARCH ESO ISS PBLA34 END 205.857
HIERARCH ESO ISS AMBI TAU0 START 0.003596
HIERARCH ESO ISS AMBI TAU0 END 0.003596
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64