Exposure
ID
PIONI.2025-03-22T08:45:53.708_1
Header ID
PIONI.2025-03-22T08:45:53.708
Date updated
2025-03-22 08:55:39 UTC+0000
Release date
2026-03-22 08:55:39 UTC+0000
UTC Start
2025-03-22 08:45:53.708
UTC End
2025-03-22 08:47:10.508
MJD Start
60756.3652049541
MJD End
60756.36609384299
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0056565
Ambient temperature (°C)
14.83
Seeing (arcsec)
0.7150000000000001
Observation
ID
65787
Category
science
Program ID
114.27FM.002
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
48950
Name
HD_158186
RA
262.302563
DEC
-31.53429
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 84.9610 85.1240 105.8000 106.0000
A0-J2 122.4650 122.6860 81.3000 81.5000
A0-K0 123.9700 124.1180 58.9590 59.1920
G1-J2 57.3490 57.3870 43.3000 43.5000
G1-K0 90.4820 90.4830 15.6990 15.8930
J2-K0 47.7140 47.7300 341.8950 342.0280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27FM.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60756.3652049541
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_158186
RA 262.302563
DEC -31.53429
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 84.961
HIERARCH ESO ISS PBL12 END 85.124
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 106.0
HIERARCH ESO ISS PBL13 START 122.465
HIERARCH ESO ISS PBL13 END 122.686
HIERARCH ESO ISS PBLA13 START 81.3
HIERARCH ESO ISS PBLA13 END 81.5
HIERARCH ESO ISS PBL14 START 123.97
HIERARCH ESO ISS PBL14 END 124.118
HIERARCH ESO ISS PBLA14 START 58.959
HIERARCH ESO ISS PBLA14 END 59.192
HIERARCH ESO ISS PBL23 START 57.349
HIERARCH ESO ISS PBL23 END 57.387
HIERARCH ESO ISS PBLA23 START 43.3
HIERARCH ESO ISS PBLA23 END 43.5
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.483
HIERARCH ESO ISS PBLA24 START 15.699
HIERARCH ESO ISS PBLA24 END 15.893
HIERARCH ESO ISS PBL34 START 47.714
HIERARCH ESO ISS PBL34 END 47.73
HIERARCH ESO ISS PBLA34 START 341.895
HIERARCH ESO ISS PBLA34 END 342.028
HIERARCH ESO ISS AMBI TAU0 START 0.005691
HIERARCH ESO ISS AMBI TAU0 END 0.005622
HIERARCH ESO ISS AMBI TEMP 14.83
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.68