Exposure
ID
PIONI.2021-11-09T05:27:38.611_1
Header ID
PIONI.2021-11-09T05:27:38.611
Date updated
2021-11-09 05:35:36 UTC+0000
Release date
2021-11-09 05:27:38 UTC+0000
UTC Start
2021-11-09 05:27:38.611
UTC End
2021-11-09 05:28:04.211
MJD Start
59527.227530221
MJD End
59527.2278265173
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004794
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.5
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 87.2020 87.1520 123.3000 123.4000
A0-J2 124.1860 124.0990 99.2000 99.3000
A0-J3 130.6130 130.5700 51.5780 51.6170
G1-J2 57.0760 57.0510 60.6000 60.6000
G1-J3 132.3850 132.3860 12.8560 12.9120
J2-J3 103.0440 103.0370 348.6590 348.7320
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 59527.227530221
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 87.202
HIERARCH ESO ISS PBL12 END 87.152
HIERARCH ESO ISS PBLA12 START 123.3
HIERARCH ESO ISS PBLA12 END 123.4
HIERARCH ESO ISS PBL13 START 124.186
HIERARCH ESO ISS PBL13 END 124.099
HIERARCH ESO ISS PBLA13 START 99.2
HIERARCH ESO ISS PBLA13 END 99.3
HIERARCH ESO ISS PBL14 START 130.613
HIERARCH ESO ISS PBL14 END 130.57
HIERARCH ESO ISS PBLA14 START 51.578
HIERARCH ESO ISS PBLA14 END 51.617
HIERARCH ESO ISS PBL23 START 57.076
HIERARCH ESO ISS PBL23 END 57.051
HIERARCH ESO ISS PBLA23 START 60.6
HIERARCH ESO ISS PBLA23 END 60.6
HIERARCH ESO ISS PBL24 START 132.385
HIERARCH ESO ISS PBL24 END 132.386
HIERARCH ESO ISS PBLA24 START 12.856
HIERARCH ESO ISS PBLA24 END 12.912
HIERARCH ESO ISS PBL34 START 103.044
HIERARCH ESO ISS PBL34 END 103.037
HIERARCH ESO ISS PBLA34 START 348.659
HIERARCH ESO ISS PBLA34 END 348.732
HIERARCH ESO ISS AMBI TAU0 START 0.004794
HIERARCH ESO ISS AMBI TAU0 END 0.004794
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5