Exposure
ID
PIONI.2025-03-22T08:48:51.393_1
Header ID
PIONI.2025-03-22T08:48:51.393
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 08:48:51.392
UTC End
2025-03-22 08:50:08.192
MJD Start
60756.3672614871
MJD End
60756.368150375994
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.004897
Ambient temperature (°C)
14.83
Seeing (arcsec)
0.89
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 85.2880 85.4440 106.2000 106.3000
A0-J2 122.9090 123.1210 81.7000 81.9000
A0-K0 124.2670 124.4080 59.4300 59.6580
G1-J2 57.4240 57.4600 43.7000 44.0000
G1-K0 90.4830 90.4840 16.0910 16.2820
J2-K0 47.7460 47.7620 342.1650 342.2980
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 60756.3672614871
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 85.288
HIERARCH ESO ISS PBL12 END 85.444
HIERARCH ESO ISS PBLA12 START 106.2
HIERARCH ESO ISS PBLA12 END 106.3
HIERARCH ESO ISS PBL13 START 122.909
HIERARCH ESO ISS PBL13 END 123.121
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 81.9
HIERARCH ESO ISS PBL14 START 124.267
HIERARCH ESO ISS PBL14 END 124.408
HIERARCH ESO ISS PBLA14 START 59.43
HIERARCH ESO ISS PBLA14 END 59.658
HIERARCH ESO ISS PBL23 START 57.424
HIERARCH ESO ISS PBL23 END 57.46
HIERARCH ESO ISS PBLA23 START 43.7
HIERARCH ESO ISS PBLA23 END 44.0
HIERARCH ESO ISS PBL24 START 90.483
HIERARCH ESO ISS PBL24 END 90.484
HIERARCH ESO ISS PBLA24 START 16.091
HIERARCH ESO ISS PBLA24 END 16.282
HIERARCH ESO ISS PBL34 START 47.746
HIERARCH ESO ISS PBL34 END 47.762
HIERARCH ESO ISS PBLA34 START 342.165
HIERARCH ESO ISS PBLA34 END 342.298
HIERARCH ESO ISS AMBI TAU0 START 0.004897
HIERARCH ESO ISS AMBI TAU0 END 0.004897
HIERARCH ESO ISS AMBI TEMP 14.83
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89