Exposure
ID
PIONI.2025-03-23T07:24:45.278_1
Header ID
PIONI.2025-03-23T07:24:45.278
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 07:24:45.279
UTC End
2025-03-23 07:25:23.679
MJD Start
60757.3088573944
MJD End
60757.30930183884
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0039985
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.69
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 71.7280 71.8890 96.0000 96.1000
A0-J2 105.5440 105.7470 67.2000 67.4000
A0-K0 113.5760 113.6950 43.3140 43.4850
G1-J2 54.9080 54.9350 28.3000 28.4000
G1-K0 90.4040 90.4050 4.1780 4.2930
J2-K0 46.0830 46.1020 335.0970 335.1530
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 60757.3088573944
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 71.728
HIERARCH ESO ISS PBL12 END 71.889
HIERARCH ESO ISS PBLA12 START 96.0
HIERARCH ESO ISS PBLA12 END 96.1
HIERARCH ESO ISS PBL13 START 105.544
HIERARCH ESO ISS PBL13 END 105.747
HIERARCH ESO ISS PBLA13 START 67.2
HIERARCH ESO ISS PBLA13 END 67.4
HIERARCH ESO ISS PBL14 START 113.576
HIERARCH ESO ISS PBL14 END 113.695
HIERARCH ESO ISS PBLA14 START 43.314
HIERARCH ESO ISS PBLA14 END 43.485
HIERARCH ESO ISS PBL23 START 54.908
HIERARCH ESO ISS PBL23 END 54.935
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 28.4
HIERARCH ESO ISS PBL24 START 90.404
HIERARCH ESO ISS PBL24 END 90.405
HIERARCH ESO ISS PBLA24 START 4.178
HIERARCH ESO ISS PBLA24 END 4.293
HIERARCH ESO ISS PBL34 START 46.083
HIERARCH ESO ISS PBL34 END 46.102
HIERARCH ESO ISS PBLA34 START 335.097
HIERARCH ESO ISS PBLA34 END 335.153
HIERARCH ESO ISS AMBI TAU0 START 0.004021
HIERARCH ESO ISS AMBI TAU0 END 0.003976
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69