Exposure
ID
PIONI.2021-11-06T05:25:35.188_1
Header ID
PIONI.2021-11-06T05:25:35.188
Date updated
2021-11-06 05:30:52 UTC+0000
Release date
2021-11-06 05:25:35 UTC+0000
UTC Start
2021-11-06 05:25:35.188
UTC End
2021-11-06 05:26:00.788
MJD Start
59524.2261017114
MJD End
59524.2263980077
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004344
Ambient temperature (°C)
10.91
Seeing (arcsec)
0.64
Observation
ID
48774
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
36531
Name
10 Tau
RA
54.216137
DEC
0.39725
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2650 68.2560 271.4000 271.4000
K0-D0 95.4730 95.4970 252.8000 252.8000
K0-J3 51.9810 51.9520 331.3150 331.3700
G2-D0 37.7500 37.7710 217.4000 217.5000
G2-J3 61.6620 61.6960 44.5990 44.6310
D0-J3 99.2290 99.2850 41.8770 41.9120
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 59524.2261017114
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.216137
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
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 68.265
HIERARCH ESO ISS PBL12 END 68.256
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 95.473
HIERARCH ESO ISS PBL13 END 95.497
HIERARCH ESO ISS PBLA13 START 252.8
HIERARCH ESO ISS PBLA13 END 252.8
HIERARCH ESO ISS PBL14 START 51.981
HIERARCH ESO ISS PBL14 END 51.952
HIERARCH ESO ISS PBLA14 START 331.315
HIERARCH ESO ISS PBLA14 END 331.37
HIERARCH ESO ISS PBL23 START 37.75
HIERARCH ESO ISS PBL23 END 37.771
HIERARCH ESO ISS PBLA23 START 217.4
HIERARCH ESO ISS PBLA23 END 217.5
HIERARCH ESO ISS PBL24 START 61.662
HIERARCH ESO ISS PBL24 END 61.696
HIERARCH ESO ISS PBLA24 START 44.599
HIERARCH ESO ISS PBLA24 END 44.631
HIERARCH ESO ISS PBL34 START 99.229
HIERARCH ESO ISS PBL34 END 99.285
HIERARCH ESO ISS PBLA34 START 41.877
HIERARCH ESO ISS PBLA34 END 41.912
HIERARCH ESO ISS AMBI TAU0 START 0.004344
HIERARCH ESO ISS AMBI TAU0 END 0.004344
HIERARCH ESO ISS AMBI TEMP 10.91
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64