Exposure
ID
PIONI.2025-03-23T07:23:55.061_1
Header ID
PIONI.2025-03-23T07:23:55.061
Date updated
2025-03-23 07:30:50 UTC+0000
Release date
2026-03-23 07:30:50 UTC+0000
UTC Start
2025-03-23 07:23:55.061
UTC End
2025-03-23 07:24:33.461
MJD Start
60757.3082761723
MJD End
60757.30872061674
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004021
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.6699999999999999
Observation
ID
65832
Category
science
Program ID
114.27FM.001
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / FROST / TOONEN / BORDIER / LE BOUQUIN / SHENAR
Target
ID
48993
Name
HD_159176
RA
263.675745
DEC
-32.58167
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.5590 71.7210 95.9000 96.0000
A0-J2 105.3330 105.5360 67.1000 67.2000
A0-K0 113.4520 113.5710 43.1350 43.3070
G1-J2 54.8800 54.9070 28.1000 28.2000
G1-K0 90.4040 90.4040 4.0580 4.1730
J2-K0 46.0630 46.0820 335.0390 335.0950
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27FM.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60757.3082761723
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_159176
RA 263.675745
DEC -32.58167
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 71.559
HIERARCH ESO ISS PBL12 END 71.721
HIERARCH ESO ISS PBLA12 START 95.9
HIERARCH ESO ISS PBLA12 END 96.0
HIERARCH ESO ISS PBL13 START 105.333
HIERARCH ESO ISS PBL13 END 105.536
HIERARCH ESO ISS PBLA13 START 67.1
HIERARCH ESO ISS PBLA13 END 67.2
HIERARCH ESO ISS PBL14 START 113.452
HIERARCH ESO ISS PBL14 END 113.571
HIERARCH ESO ISS PBLA14 START 43.135
HIERARCH ESO ISS PBLA14 END 43.307
HIERARCH ESO ISS PBL23 START 54.88
HIERARCH ESO ISS PBL23 END 54.907
HIERARCH ESO ISS PBLA23 START 28.1
HIERARCH ESO ISS PBLA23 END 28.2
HIERARCH ESO ISS PBL24 START 90.404
HIERARCH ESO ISS PBL24 END 90.404
HIERARCH ESO ISS PBLA24 START 4.058
HIERARCH ESO ISS PBLA24 END 4.173
HIERARCH ESO ISS PBL34 START 46.063
HIERARCH ESO ISS PBL34 END 46.082
HIERARCH ESO ISS PBLA34 START 335.039
HIERARCH ESO ISS PBLA34 END 335.095
HIERARCH ESO ISS AMBI TAU0 START 0.004021
HIERARCH ESO ISS AMBI TAU0 END 0.004021
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.69