Exposure
ID
PIONI.2021-11-02T06:40:26.248_1
Header ID
PIONI.2021-11-02T06:40:26.248
Date updated
2021-11-02 06:46:40 UTC+0000
Release date
2021-11-02 06:40:26 UTC+0000
UTC Start
2021-11-02 06:40:26.248
UTC End
2021-11-02 06:40:51.848
MJD Start
59520.2780815708
MJD End
59520.2783778671
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002556
Ambient temperature (°C)
10.93
Seeing (arcsec)
1.295
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 24.1500 24.1370 136.6000 136.6000
A0-D0 30.2100 30.2350 74.0000 74.0000
A0-C1 22.5740 22.5700 113.2600 113.2470
B2-D0 28.7030 28.7230 25.7000 25.7000
B2-C1 9.5610 9.5680 25.6070 25.6740
D0-C1 19.1420 19.1550 205.6820 205.7480
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 59520.2780815708
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 24.15
HIERARCH ESO ISS PBL12 END 24.137
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 30.21
HIERARCH ESO ISS PBL13 END 30.235
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 22.574
HIERARCH ESO ISS PBL14 END 22.57
HIERARCH ESO ISS PBLA14 START 113.26
HIERARCH ESO ISS PBLA14 END 113.247
HIERARCH ESO ISS PBL23 START 28.703
HIERARCH ESO ISS PBL23 END 28.723
HIERARCH ESO ISS PBLA23 START 25.7
HIERARCH ESO ISS PBLA23 END 25.7
HIERARCH ESO ISS PBL24 START 9.561
HIERARCH ESO ISS PBL24 END 9.568
HIERARCH ESO ISS PBLA24 START 25.607
HIERARCH ESO ISS PBLA24 END 25.674
HIERARCH ESO ISS PBL34 START 19.142
HIERARCH ESO ISS PBL34 END 19.155
HIERARCH ESO ISS PBLA34 START 205.682
HIERARCH ESO ISS PBLA34 END 205.748
HIERARCH ESO ISS AMBI TAU0 START 0.002556
HIERARCH ESO ISS AMBI TAU0 END 0.002556
HIERARCH ESO ISS AMBI TEMP 10.93
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.4