Exposure
ID
PIONI.2025-03-23T07:25:35.396_1
Header ID
PIONI.2025-03-23T07:25:35.396
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 07:25:35.395
UTC End
2025-03-23 07:26:13.795
MJD Start
60757.3094374454
MJD End
60757.30988188984
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003976
Ambient temperature (°C)
13.5
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 71.8910 72.0600 96.1000 96.2000
A0-J2 105.7490 105.9610 67.4000 67.6000
A0-K0 113.6970 113.8220 43.4880 43.6700
G1-J2 54.9360 54.9640 28.4000 28.6000
G1-K0 90.4050 90.4060 4.2950 4.4170
J2-K0 46.1030 46.1230 335.1550 335.2160
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 60757.3094374454
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 71.891
HIERARCH ESO ISS PBL12 END 72.06
HIERARCH ESO ISS PBLA12 START 96.1
HIERARCH ESO ISS PBLA12 END 96.2
HIERARCH ESO ISS PBL13 START 105.749
HIERARCH ESO ISS PBL13 END 105.961
HIERARCH ESO ISS PBLA13 START 67.4
HIERARCH ESO ISS PBLA13 END 67.6
HIERARCH ESO ISS PBL14 START 113.697
HIERARCH ESO ISS PBL14 END 113.822
HIERARCH ESO ISS PBLA14 START 43.488
HIERARCH ESO ISS PBLA14 END 43.67
HIERARCH ESO ISS PBL23 START 54.936
HIERARCH ESO ISS PBL23 END 54.964
HIERARCH ESO ISS PBLA23 START 28.4
HIERARCH ESO ISS PBLA23 END 28.6
HIERARCH ESO ISS PBL24 START 90.405
HIERARCH ESO ISS PBL24 END 90.406
HIERARCH ESO ISS PBLA24 START 4.295
HIERARCH ESO ISS PBLA24 END 4.417
HIERARCH ESO ISS PBL34 START 46.103
HIERARCH ESO ISS PBL34 END 46.123
HIERARCH ESO ISS PBLA34 START 335.155
HIERARCH ESO ISS PBLA34 END 335.216
HIERARCH ESO ISS AMBI TAU0 START 0.003976
HIERARCH ESO ISS AMBI TAU0 END 0.003976
HIERARCH ESO ISS AMBI TEMP 13.5
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69