Exposure
ID
PIONI.2021-11-11T05:57:13.975_1
Header ID
PIONI.2021-11-11T05:57:13.975
Date updated
2021-11-11 06:05:39 UTC+0000
Release date
2021-11-11 05:57:13 UTC+0000
UTC Start
2021-11-11 05:57:13.976
UTC End
2021-11-11 05:57:39.576
MJD Start
59529.2480784222
MJD End
59529.2483747185
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0040605
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 83.5330 83.4660 128.4000 128.5000
A0-J2 117.4420 117.3130 103.2000 103.3000
A0-J3 127.0000 126.9250 53.7080 53.7370
G1-J2 55.0090 54.9670 62.8000 62.8000
G1-J3 132.3810 132.3790 16.2040 16.2550
J2-J3 102.6790 102.6740 353.2960 353.3720
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 59529.2480784222
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 83.533
HIERARCH ESO ISS PBL12 END 83.466
HIERARCH ESO ISS PBLA12 START 128.4
HIERARCH ESO ISS PBLA12 END 128.5
HIERARCH ESO ISS PBL13 START 117.442
HIERARCH ESO ISS PBL13 END 117.313
HIERARCH ESO ISS PBLA13 START 103.2
HIERARCH ESO ISS PBLA13 END 103.3
HIERARCH ESO ISS PBL14 START 127.0
HIERARCH ESO ISS PBL14 END 126.925
HIERARCH ESO ISS PBLA14 START 53.708
HIERARCH ESO ISS PBLA14 END 53.737
HIERARCH ESO ISS PBL23 START 55.009
HIERARCH ESO ISS PBL23 END 54.967
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.8
HIERARCH ESO ISS PBL24 START 132.381
HIERARCH ESO ISS PBL24 END 132.379
HIERARCH ESO ISS PBLA24 START 16.204
HIERARCH ESO ISS PBLA24 END 16.255
HIERARCH ESO ISS PBL34 START 102.679
HIERARCH ESO ISS PBL34 END 102.674
HIERARCH ESO ISS PBLA34 START 353.296
HIERARCH ESO ISS PBLA34 END 353.372
HIERARCH ESO ISS AMBI TAU0 START 0.004297
HIERARCH ESO ISS AMBI TAU0 END 0.003824
HIERARCH ESO ISS AMBI TEMP 11.15
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63