Exposure
ID
PIONI.2021-10-29T02:10:05.715_1
Header ID
PIONI.2021-10-29T02:10:05.715
Date updated
2021-10-29 02:16:46 UTC+0000
Release date
2021-10-29 02:10:05 UTC+0000
UTC Start
2021-10-29 02:10:05.714
UTC End
2021-10-29 02:10:31.314
MJD Start
59516.0903439173
MJD End
59516.0906402136
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004974
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.56
Observation
ID
48668
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
36448
Name
tau02 Eri
RA
42.758281
DEC
-21.0041
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.9420 22.9620 132.4000 132.4000
A0-D0 25.7970 25.8310 47.7000 47.8000
A0-C1 18.2180 18.2490 104.4140 104.4420
B2-D0 32.9090 32.9100 3.7000 3.8000
B2-C1 10.9630 10.9640 3.6890 3.7780
D0-C1 21.9450 21.9460 183.7400 183.8290
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 59516.0903439173
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau02 Eri
RA 42.758281
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 22.942
HIERARCH ESO ISS PBL12 END 22.962
HIERARCH ESO ISS PBLA12 START 132.4
HIERARCH ESO ISS PBLA12 END 132.4
HIERARCH ESO ISS PBL13 START 25.797
HIERARCH ESO ISS PBL13 END 25.831
HIERARCH ESO ISS PBLA13 START 47.7
HIERARCH ESO ISS PBLA13 END 47.8
HIERARCH ESO ISS PBL14 START 18.218
HIERARCH ESO ISS PBL14 END 18.249
HIERARCH ESO ISS PBLA14 START 104.414
HIERARCH ESO ISS PBLA14 END 104.442
HIERARCH ESO ISS PBL23 START 32.909
HIERARCH ESO ISS PBL23 END 32.91
HIERARCH ESO ISS PBLA23 START 3.7
HIERARCH ESO ISS PBLA23 END 3.8
HIERARCH ESO ISS PBL24 START 10.963
HIERARCH ESO ISS PBL24 END 10.964
HIERARCH ESO ISS PBLA24 START 3.689
HIERARCH ESO ISS PBLA24 END 3.778
HIERARCH ESO ISS PBL34 START 21.945
HIERARCH ESO ISS PBL34 END 21.946
HIERARCH ESO ISS PBLA34 START 183.74
HIERARCH ESO ISS PBLA34 END 183.829
HIERARCH ESO ISS AMBI TAU0 START 0.004974
HIERARCH ESO ISS AMBI TAU0 END 0.004974
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56