Exposure
ID
PIONI.2021-11-11T05:33:55.776_1
Header ID
PIONI.2021-11-11T05:33:55.776
Date updated
2021-11-11 05:40:43 UTC+0000
Release date
2021-11-11 05:33:55 UTC+0000
UTC Start
2021-11-11 05:33:55.776
UTC End
2021-11-11 05:34:21.376
MJD Start
59529.2318955506
MJD End
59529.2321918469
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003407
Ambient temperature (°C)
11.22
Seeing (arcsec)
0.84
Observation
ID
48815
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
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
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 85.5380 85.4670 114.8000 114.8000
A0-J2 127.1320 127.0710 92.5000 92.5000
A0-J3 130.3470 130.3940 50.2100 50.2260
G1-J2 57.8810 57.8950 58.5000 58.5000
G1-J3 121.3700 121.3960 10.6770 10.7410
J2-J3 92.9770 92.9420 343.2110 343.2820
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 59529.2318955506
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 85.538
HIERARCH ESO ISS PBL12 END 85.467
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 127.132
HIERARCH ESO ISS PBL13 END 127.071
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 130.347
HIERARCH ESO ISS PBL14 END 130.394
HIERARCH ESO ISS PBLA14 START 50.21
HIERARCH ESO ISS PBLA14 END 50.226
HIERARCH ESO ISS PBL23 START 57.881
HIERARCH ESO ISS PBL23 END 57.895
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 121.37
HIERARCH ESO ISS PBL24 END 121.396
HIERARCH ESO ISS PBLA24 START 10.677
HIERARCH ESO ISS PBLA24 END 10.741
HIERARCH ESO ISS PBL34 START 92.977
HIERARCH ESO ISS PBL34 END 92.942
HIERARCH ESO ISS PBLA34 START 343.211
HIERARCH ESO ISS PBLA34 END 343.282
HIERARCH ESO ISS AMBI TAU0 START 0.003407
HIERARCH ESO ISS AMBI TAU0 END 0.003407
HIERARCH ESO ISS AMBI TEMP 11.22
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84