Exposure
ID
PIONI.2021-11-11T05:55:19.437_1
Header ID
PIONI.2021-11-11T05:55:19.437
Date updated
2021-11-11 06:05:39 UTC+0000
Release date
2021-11-11 05:55:19 UTC+0000
UTC Start
2021-11-11 05:55:19.437
UTC End
2021-11-11 05:55:45.037
MJD Start
59529.2467527431
MJD End
59529.2470490394
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0040795
Ambient temperature (°C)
11.22
Seeing (arcsec)
0.63
Observation
ID
48832
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
36500
Name
tau02 Eri
RA
42.758876
DEC
-21.0041
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 83.7450 83.6790 128.2000 128.3000
A0-J2 117.8500 117.7230 103.0000 103.0000
A0-J3 127.2340 127.1610 53.6140 53.6440
G1-J2 55.1410 55.1000 62.7000 62.7000
G1-J3 132.3860 132.3840 16.0410 16.0920
J2-J3 102.6940 102.6890 353.0540 353.1300
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 59529.2467527431
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758876
DEC -21.0041
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 83.745
HIERARCH ESO ISS PBL12 END 83.679
HIERARCH ESO ISS PBLA12 START 128.2
HIERARCH ESO ISS PBLA12 END 128.3
HIERARCH ESO ISS PBL13 START 117.85
HIERARCH ESO ISS PBL13 END 117.723
HIERARCH ESO ISS PBLA13 START 103.0
HIERARCH ESO ISS PBLA13 END 103.0
HIERARCH ESO ISS PBL14 START 127.234
HIERARCH ESO ISS PBL14 END 127.161
HIERARCH ESO ISS PBLA14 START 53.614
HIERARCH ESO ISS PBLA14 END 53.644
HIERARCH ESO ISS PBL23 START 55.141
HIERARCH ESO ISS PBL23 END 55.1
HIERARCH ESO ISS PBLA23 START 62.7
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 132.386
HIERARCH ESO ISS PBL24 END 132.384
HIERARCH ESO ISS PBLA24 START 16.041
HIERARCH ESO ISS PBLA24 END 16.092
HIERARCH ESO ISS PBL34 START 102.694
HIERARCH ESO ISS PBL34 END 102.689
HIERARCH ESO ISS PBLA34 START 353.054
HIERARCH ESO ISS PBLA34 END 353.13
HIERARCH ESO ISS AMBI TAU0 START 0.003862
HIERARCH ESO ISS AMBI TAU0 END 0.004297
HIERARCH ESO ISS AMBI TEMP 11.22
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.62