Exposure
ID
PIONI.2025-03-22T06:10:02.581_1
Header ID
PIONI.2025-03-22T06:10:02.581
Date updated
2025-03-22 06:15:42 UTC+0000
Release date
2026-03-22 06:15:42 UTC+0000
UTC Start
2025-03-22 06:10:02.581
UTC End
2025-03-22 06:10:40.981
MJD Start
60756.2569743223
MJD End
60756.25741876674
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006114
Ambient temperature (°C)
15.23
Seeing (arcsec)
0.6
Observation
ID
65784
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
48947
Name
tau_Lib
RA
234.662615
DEC
-29.77789
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 78.9400 79.0740 101.8000 101.9000
A0-J2 113.4970 113.6810 75.3000 75.4000
A0-K0 117.4460 117.5700 51.6790 51.8280
G1-J2 55.5260 55.5580 35.8000 36.0000
G1-K0 90.2450 90.2480 9.4920 9.6070
J2-K0 47.3990 47.4110 338.1650 338.2290
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 60756.2569743223
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau_Lib
RA 234.662615
DEC -29.77789
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 78.94
HIERARCH ESO ISS PBL12 END 79.074
HIERARCH ESO ISS PBLA12 START 101.8
HIERARCH ESO ISS PBLA12 END 101.9
HIERARCH ESO ISS PBL13 START 113.497
HIERARCH ESO ISS PBL13 END 113.681
HIERARCH ESO ISS PBLA13 START 75.3
HIERARCH ESO ISS PBLA13 END 75.4
HIERARCH ESO ISS PBL14 START 117.446
HIERARCH ESO ISS PBL14 END 117.57
HIERARCH ESO ISS PBLA14 START 51.679
HIERARCH ESO ISS PBLA14 END 51.828
HIERARCH ESO ISS PBL23 START 55.526
HIERARCH ESO ISS PBL23 END 55.558
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 36.0
HIERARCH ESO ISS PBL24 START 90.245
HIERARCH ESO ISS PBL24 END 90.248
HIERARCH ESO ISS PBLA24 START 9.492
HIERARCH ESO ISS PBLA24 END 9.607
HIERARCH ESO ISS PBL34 START 47.399
HIERARCH ESO ISS PBL34 END 47.411
HIERARCH ESO ISS PBLA34 START 338.165
HIERARCH ESO ISS PBLA34 END 338.229
HIERARCH ESO ISS AMBI TAU0 START 0.006114
HIERARCH ESO ISS AMBI TAU0 END 0.006114
HIERARCH ESO ISS AMBI TEMP 15.23
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6