Exposure
ID
PIONI.2021-11-02T06:24:53.418_1
Header ID
PIONI.2021-11-02T06:24:53.418
Date updated
2021-11-02 06:31:36 UTC+0000
Release date
2021-11-02 06:24:53 UTC+0000
UTC Start
2021-11-02 06:24:53.418
UTC End
2021-11-02 06:25:19.018
MJD Start
59520.267284927
MJD End
59520.2675812233
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0024965
Ambient temperature (°C)
10.86
Seeing (arcsec)
1.36
Observation
ID
48711
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
36482
Name
10 Tau
RA
54.215025
DEC
0.39725
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 22.3880 22.3700 144.2000 144.3000
A0-D0 31.9030 31.8960 72.7000 72.7000
A0-C1 20.8830 20.8630 115.3910 115.4160
B2-D0 32.6530 32.6650 32.2000 32.2000
B2-C1 10.8760 10.8800 32.1120 32.1460
D0-C1 21.7770 21.7850 212.1720 212.2060
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 59520.267284927
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.215025
DEC 0.39725
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 22.388
HIERARCH ESO ISS PBL12 END 22.37
HIERARCH ESO ISS PBLA12 START 144.2
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 31.903
HIERARCH ESO ISS PBL13 END 31.896
HIERARCH ESO ISS PBLA13 START 72.7
HIERARCH ESO ISS PBLA13 END 72.7
HIERARCH ESO ISS PBL14 START 20.883
HIERARCH ESO ISS PBL14 END 20.863
HIERARCH ESO ISS PBLA14 START 115.391
HIERARCH ESO ISS PBLA14 END 115.416
HIERARCH ESO ISS PBL23 START 32.653
HIERARCH ESO ISS PBL23 END 32.665
HIERARCH ESO ISS PBLA23 START 32.2
HIERARCH ESO ISS PBLA23 END 32.2
HIERARCH ESO ISS PBL24 START 10.876
HIERARCH ESO ISS PBL24 END 10.88
HIERARCH ESO ISS PBLA24 START 32.112
HIERARCH ESO ISS PBLA24 END 32.146
HIERARCH ESO ISS PBL34 START 21.777
HIERARCH ESO ISS PBL34 END 21.785
HIERARCH ESO ISS PBLA34 START 212.172
HIERARCH ESO ISS PBLA34 END 212.206
HIERARCH ESO ISS AMBI TAU0 START 0.002855
HIERARCH ESO ISS AMBI TAU0 END 0.002138
HIERARCH ESO ISS AMBI TEMP 10.86
HIERARCH ESO ISS AMBI FWHM START 1.36
HIERARCH ESO ISS AMBI FWHM END 1.36