Exposure
ID
PIONI.2021-11-12T05:17:36.743_1
Header ID
PIONI.2021-11-12T05:17:36.743
Date updated
2021-11-12 05:26:33 UTC+0000
Release date
2021-11-12 05:17:36 UTC+0000
UTC Start
2021-11-12 05:17:36.744
UTC End
2021-11-12 05:18:02.344
MJD Start
59530.2205641642
MJD End
59530.2208604605
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003842
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.66
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 87.0540 87.0040 123.5000 123.6000
A0-J2 123.9290 123.8400 99.4000 99.4000
A0-J3 130.4870 130.4440 51.6920 51.7310
G1-J2 57.0020 56.9770 60.7000 60.7000
G1-J3 132.3890 132.3900 13.0200 13.0760
J2-J3 103.0240 103.0180 348.8720 348.9440
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 59530.2205641642
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 87.054
HIERARCH ESO ISS PBL12 END 87.004
HIERARCH ESO ISS PBLA12 START 123.5
HIERARCH ESO ISS PBLA12 END 123.6
HIERARCH ESO ISS PBL13 START 123.929
HIERARCH ESO ISS PBL13 END 123.84
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 99.4
HIERARCH ESO ISS PBL14 START 130.487
HIERARCH ESO ISS PBL14 END 130.444
HIERARCH ESO ISS PBLA14 START 51.692
HIERARCH ESO ISS PBLA14 END 51.731
HIERARCH ESO ISS PBL23 START 57.002
HIERARCH ESO ISS PBL23 END 56.977
HIERARCH ESO ISS PBLA23 START 60.7
HIERARCH ESO ISS PBLA23 END 60.7
HIERARCH ESO ISS PBL24 START 132.389
HIERARCH ESO ISS PBL24 END 132.39
HIERARCH ESO ISS PBLA24 START 13.02
HIERARCH ESO ISS PBLA24 END 13.076
HIERARCH ESO ISS PBL34 START 103.024
HIERARCH ESO ISS PBL34 END 103.018
HIERARCH ESO ISS PBLA34 START 348.872
HIERARCH ESO ISS PBLA34 END 348.944
HIERARCH ESO ISS AMBI TAU0 START 0.003842
HIERARCH ESO ISS AMBI TAU0 END 0.003842
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66