Exposure
ID
PIONI.2021-11-11T05:56:35.925_1
Header ID
PIONI.2021-11-11T05:56:35.925
Date updated
2021-11-11 06:05:39 UTC+0000
Release date
2021-11-11 05:56:35 UTC+0000
UTC Start
2021-11-11 05:56:35.925
UTC End
2021-11-11 05:57:01.525
MJD Start
59529.2476380244
MJD End
59529.2479343207
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004297
Ambient temperature (°C)
11.15
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 83.6030 83.5370 128.4000 128.4000
A0-J2 117.5780 117.4490 103.1000 103.2000
A0-J3 127.0780 127.0040 53.6770 53.7060
G1-J2 55.0530 55.0110 62.8000 62.8000
G1-J3 132.3820 132.3810 16.1500 16.2010
J2-J3 102.6840 102.6790 353.2160 353.2920
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 59529.2476380244
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 83.603
HIERARCH ESO ISS PBL12 END 83.537
HIERARCH ESO ISS PBLA12 START 128.4
HIERARCH ESO ISS PBLA12 END 128.4
HIERARCH ESO ISS PBL13 START 117.578
HIERARCH ESO ISS PBL13 END 117.449
HIERARCH ESO ISS PBLA13 START 103.1
HIERARCH ESO ISS PBLA13 END 103.2
HIERARCH ESO ISS PBL14 START 127.078
HIERARCH ESO ISS PBL14 END 127.004
HIERARCH ESO ISS PBLA14 START 53.677
HIERARCH ESO ISS PBLA14 END 53.706
HIERARCH ESO ISS PBL23 START 55.053
HIERARCH ESO ISS PBL23 END 55.011
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.8
HIERARCH ESO ISS PBL24 START 132.382
HIERARCH ESO ISS PBL24 END 132.381
HIERARCH ESO ISS PBLA24 START 16.15
HIERARCH ESO ISS PBLA24 END 16.201
HIERARCH ESO ISS PBL34 START 102.684
HIERARCH ESO ISS PBL34 END 102.679
HIERARCH ESO ISS PBLA34 START 353.216
HIERARCH ESO ISS PBLA34 END 353.292
HIERARCH ESO ISS AMBI TAU0 START 0.004297
HIERARCH ESO ISS AMBI TAU0 END 0.004297
HIERARCH ESO ISS AMBI TEMP 11.15
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63