Exposure
ID
PIONI.2021-11-11T06:22:32.417_1
Header ID
PIONI.2021-11-11T06:22:32.417
Date updated
2021-11-11 06:31:23 UTC+0000
Release date
2021-11-11 06:22:32 UTC+0000
UTC Start
2021-11-11 06:22:32.417
UTC End
2021-11-11 06:22:58.017
MJD Start
59529.2656529797
MJD End
59529.265949276
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003819
Ambient temperature (°C)
10.58
Seeing (arcsec)
0.59
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 80.5370 80.4620 132.5000 132.6000
A0-J2 111.4720 111.3180 106.2000 106.3000
A0-J3 123.4090 123.3130 54.7910 54.8140
G1-J2 53.0120 52.9580 64.0000 64.0000
G1-J3 132.2370 132.2320 18.2690 18.3160
J2-J3 102.5240 102.5210 356.5350 356.6120
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 59529.2656529797
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 80.537
HIERARCH ESO ISS PBL12 END 80.462
HIERARCH ESO ISS PBLA12 START 132.5
HIERARCH ESO ISS PBLA12 END 132.6
HIERARCH ESO ISS PBL13 START 111.472
HIERARCH ESO ISS PBL13 END 111.318
HIERARCH ESO ISS PBLA13 START 106.2
HIERARCH ESO ISS PBLA13 END 106.3
HIERARCH ESO ISS PBL14 START 123.409
HIERARCH ESO ISS PBL14 END 123.313
HIERARCH ESO ISS PBLA14 START 54.791
HIERARCH ESO ISS PBLA14 END 54.814
HIERARCH ESO ISS PBL23 START 53.012
HIERARCH ESO ISS PBL23 END 52.958
HIERARCH ESO ISS PBLA23 START 64.0
HIERARCH ESO ISS PBLA23 END 64.0
HIERARCH ESO ISS PBL24 START 132.237
HIERARCH ESO ISS PBL24 END 132.232
HIERARCH ESO ISS PBLA24 START 18.269
HIERARCH ESO ISS PBLA24 END 18.316
HIERARCH ESO ISS PBL34 START 102.524
HIERARCH ESO ISS PBL34 END 102.521
HIERARCH ESO ISS PBLA34 START 356.535
HIERARCH ESO ISS PBLA34 END 356.612
HIERARCH ESO ISS AMBI TAU0 START 0.003819
HIERARCH ESO ISS AMBI TAU0 END 0.003819
HIERARCH ESO ISS AMBI TEMP 10.58
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59