Exposure
ID
PIONI.2021-11-02T06:25:31.519_1
Header ID
PIONI.2021-11-02T06:25:31.519
Date updated
2021-11-02 06:31:36 UTC+0000
Release date
2021-11-02 06:25:31 UTC+0000
UTC Start
2021-11-02 06:25:31.519
UTC End
2021-11-02 06:25:57.119
MJD Start
59520.267725911
MJD End
59520.2680222073
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002138
Ambient temperature (°C)
10.89
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 22.3690 22.3500 144.3000 144.4000
A0-D0 31.8960 31.8890 72.7000 72.7000
A0-C1 20.8610 20.8400 115.4190 115.4440
B2-D0 32.6660 32.6790 32.2000 32.2000
B2-C1 10.8810 10.8850 32.1490 32.1830
D0-C1 21.7860 21.7940 212.2080 212.2430
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 59520.267725911
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 22.369
HIERARCH ESO ISS PBL12 END 22.35
HIERARCH ESO ISS PBLA12 START 144.3
HIERARCH ESO ISS PBLA12 END 144.4
HIERARCH ESO ISS PBL13 START 31.896
HIERARCH ESO ISS PBL13 END 31.889
HIERARCH ESO ISS PBLA13 START 72.7
HIERARCH ESO ISS PBLA13 END 72.7
HIERARCH ESO ISS PBL14 START 20.861
HIERARCH ESO ISS PBL14 END 20.84
HIERARCH ESO ISS PBLA14 START 115.419
HIERARCH ESO ISS PBLA14 END 115.444
HIERARCH ESO ISS PBL23 START 32.666
HIERARCH ESO ISS PBL23 END 32.679
HIERARCH ESO ISS PBLA23 START 32.2
HIERARCH ESO ISS PBLA23 END 32.2
HIERARCH ESO ISS PBL24 START 10.881
HIERARCH ESO ISS PBL24 END 10.885
HIERARCH ESO ISS PBLA24 START 32.149
HIERARCH ESO ISS PBLA24 END 32.183
HIERARCH ESO ISS PBL34 START 21.786
HIERARCH ESO ISS PBL34 END 21.794
HIERARCH ESO ISS PBLA34 START 212.208
HIERARCH ESO ISS PBLA34 END 212.243
HIERARCH ESO ISS AMBI TAU0 START 0.002138
HIERARCH ESO ISS AMBI TAU0 END 0.002138
HIERARCH ESO ISS AMBI TEMP 10.89
HIERARCH ESO ISS AMBI FWHM START 1.36
HIERARCH ESO ISS AMBI FWHM END 1.36