Exposure
ID
PIONI.2021-11-02T04:38:13.383_1
Header ID
PIONI.2021-11-02T04:38:13.383
Date updated
2021-11-02 04:45:49 UTC+0000
Release date
2021-11-02 04:38:13 UTC+0000
UTC Start
2021-11-02 04:38:13.382
UTC End
2021-11-02 04:38:38.982
MJD Start
59520.1932104453
MJD End
59520.1935067416
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0027575
Ambient temperature (°C)
11.32
Seeing (arcsec)
1.04
Observation
ID
48674
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
36454
Name
gam Ori
RA
81.281603
DEC
6.34964
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 25.2460 25.2480 137.3000 137.3000
A0-D0 21.2410 21.2980 71.2000 71.2000
A0-C1 20.7280 20.7480 119.1420 119.0950
B2-D0 25.5810 25.5870 6.7000 6.8000
B2-C1 8.5240 8.5260 6.6610 6.7710
D0-C1 17.0560 17.0610 186.7320 186.8420
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 59520.1932104453
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME gam Ori
RA 81.281603
DEC 6.34964
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 25.246
HIERARCH ESO ISS PBL12 END 25.248
HIERARCH ESO ISS PBLA12 START 137.3
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 21.241
HIERARCH ESO ISS PBL13 END 21.298
HIERARCH ESO ISS PBLA13 START 71.2
HIERARCH ESO ISS PBLA13 END 71.2
HIERARCH ESO ISS PBL14 START 20.728
HIERARCH ESO ISS PBL14 END 20.748
HIERARCH ESO ISS PBLA14 START 119.142
HIERARCH ESO ISS PBLA14 END 119.095
HIERARCH ESO ISS PBL23 START 25.581
HIERARCH ESO ISS PBL23 END 25.587
HIERARCH ESO ISS PBLA23 START 6.7
HIERARCH ESO ISS PBLA23 END 6.8
HIERARCH ESO ISS PBL24 START 8.524
HIERARCH ESO ISS PBL24 END 8.526
HIERARCH ESO ISS PBLA24 START 6.661
HIERARCH ESO ISS PBLA24 END 6.771
HIERARCH ESO ISS PBL34 START 17.056
HIERARCH ESO ISS PBL34 END 17.061
HIERARCH ESO ISS PBLA34 START 186.732
HIERARCH ESO ISS PBLA34 END 186.842
HIERARCH ESO ISS AMBI TAU0 START 0.002823
HIERARCH ESO ISS AMBI TAU0 END 0.002692
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 1.09