Exposure
ID
PIONI.2025-03-22T08:42:56.412_1
Header ID
PIONI.2025-03-22T08:42:56.412
Date updated
2025-03-22 08:50:58 UTC+0000
Release date
2026-03-22 08:50:58 UTC+0000
UTC Start
2025-03-22 08:42:56.412
UTC End
2025-03-22 08:44:13.212
MJD Start
60756.3631529161
MJD End
60756.36404180499
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.005218
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.8049999999999999
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 84.6260 84.7920 105.5000 105.7000
A0-J2 122.0090 122.2350 80.9000 81.1000
A0-K0 123.6660 123.8170 58.4870 58.7190
G1-J2 57.2720 57.3100 42.8000 43.0000
G1-K0 90.4800 90.4810 15.3070 15.5000
J2-K0 47.6810 47.6980 341.6280 341.7590
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 60756.3631529161
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 84.626
HIERARCH ESO ISS PBL12 END 84.792
HIERARCH ESO ISS PBLA12 START 105.5
HIERARCH ESO ISS PBLA12 END 105.7
HIERARCH ESO ISS PBL13 START 122.009
HIERARCH ESO ISS PBL13 END 122.235
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 81.1
HIERARCH ESO ISS PBL14 START 123.666
HIERARCH ESO ISS PBL14 END 123.817
HIERARCH ESO ISS PBLA14 START 58.487
HIERARCH ESO ISS PBLA14 END 58.719
HIERARCH ESO ISS PBL23 START 57.272
HIERARCH ESO ISS PBL23 END 57.31
HIERARCH ESO ISS PBLA23 START 42.8
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 90.48
HIERARCH ESO ISS PBL24 END 90.481
HIERARCH ESO ISS PBLA24 START 15.307
HIERARCH ESO ISS PBLA24 END 15.5
HIERARCH ESO ISS PBL34 START 47.681
HIERARCH ESO ISS PBL34 END 47.698
HIERARCH ESO ISS PBLA34 START 341.628
HIERARCH ESO ISS PBLA34 END 341.759
HIERARCH ESO ISS AMBI TAU0 START 0.004745
HIERARCH ESO ISS AMBI TAU0 END 0.005691
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.75