Exposure
ID
PIONI.2021-11-09T05:30:11.135_1
Header ID
PIONI.2021-11-09T05:30:11.135
Date updated
2021-11-09 05:40:33 UTC+0000
Release date
2021-11-09 05:30:11 UTC+0000
UTC Start
2021-11-09 05:30:11.135
UTC End
2021-11-09 05:30:36.735
MJD Start
59527.2292955415
MJD End
59527.2295918378
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005238
Ambient temperature (°C)
12.0
Seeing (arcsec)
0.495
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 86.9890 86.9380 123.6000 123.7000
A0-J2 123.8140 123.7240 99.5000 99.5000
A0-J3 130.4310 130.3870 51.7420 51.7800
G1-J2 56.9690 56.9430 60.8000 60.8000
G1-J3 132.3900 132.3910 13.0920 13.1480
J2-J3 103.0160 103.0090 348.9650 349.0380
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 59527.2292955415
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 86.989
HIERARCH ESO ISS PBL12 END 86.938
HIERARCH ESO ISS PBLA12 START 123.6
HIERARCH ESO ISS PBLA12 END 123.7
HIERARCH ESO ISS PBL13 START 123.814
HIERARCH ESO ISS PBL13 END 123.724
HIERARCH ESO ISS PBLA13 START 99.5
HIERARCH ESO ISS PBLA13 END 99.5
HIERARCH ESO ISS PBL14 START 130.431
HIERARCH ESO ISS PBL14 END 130.387
HIERARCH ESO ISS PBLA14 START 51.742
HIERARCH ESO ISS PBLA14 END 51.78
HIERARCH ESO ISS PBL23 START 56.969
HIERARCH ESO ISS PBL23 END 56.943
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 60.8
HIERARCH ESO ISS PBL24 START 132.39
HIERARCH ESO ISS PBL24 END 132.391
HIERARCH ESO ISS PBLA24 START 13.092
HIERARCH ESO ISS PBLA24 END 13.148
HIERARCH ESO ISS PBL34 START 103.016
HIERARCH ESO ISS PBL34 END 103.009
HIERARCH ESO ISS PBLA34 START 348.965
HIERARCH ESO ISS PBLA34 END 349.038
HIERARCH ESO ISS AMBI TAU0 START 0.005681
HIERARCH ESO ISS AMBI TAU0 END 0.004795
HIERARCH ESO ISS AMBI TEMP 12.0
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5