Exposure
ID
PIONI.2021-10-29T04:58:53.007_1
Header ID
PIONI.2021-10-29T04:58:53.007
Date updated
2021-10-29 05:06:55 UTC+0000
Release date
2021-10-29 04:58:53 UTC+0000
UTC Start
2021-10-29 04:58:53.007
UTC End
2021-10-29 04:59:18.607
MJD Start
59516.2075579483
MJD End
59516.2078542446
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004769
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.57
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 25.2670 25.2690 137.1000 137.1000
A0-D0 21.7210 21.7790 71.5000 71.5000
A0-C1 20.8940 20.9140 118.7540 118.7070
B2-D0 25.6400 25.6480 7.6000 7.7000
B2-C1 8.5440 8.5460 7.5810 7.6930
D0-C1 17.0960 17.1010 187.6530 187.7640
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 59516.2075579483
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 25.267
HIERARCH ESO ISS PBL12 END 25.269
HIERARCH ESO ISS PBLA12 START 137.1
HIERARCH ESO ISS PBLA12 END 137.1
HIERARCH ESO ISS PBL13 START 21.721
HIERARCH ESO ISS PBL13 END 21.779
HIERARCH ESO ISS PBLA13 START 71.5
HIERARCH ESO ISS PBLA13 END 71.5
HIERARCH ESO ISS PBL14 START 20.894
HIERARCH ESO ISS PBL14 END 20.914
HIERARCH ESO ISS PBLA14 START 118.754
HIERARCH ESO ISS PBLA14 END 118.707
HIERARCH ESO ISS PBL23 START 25.64
HIERARCH ESO ISS PBL23 END 25.648
HIERARCH ESO ISS PBLA23 START 7.6
HIERARCH ESO ISS PBLA23 END 7.7
HIERARCH ESO ISS PBL24 START 8.544
HIERARCH ESO ISS PBL24 END 8.546
HIERARCH ESO ISS PBLA24 START 7.581
HIERARCH ESO ISS PBLA24 END 7.693
HIERARCH ESO ISS PBL34 START 17.096
HIERARCH ESO ISS PBL34 END 17.101
HIERARCH ESO ISS PBLA34 START 187.653
HIERARCH ESO ISS PBLA34 END 187.764
HIERARCH ESO ISS AMBI TAU0 START 0.004769
HIERARCH ESO ISS AMBI TAU0 END 0.004769
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57