Exposure
ID
PIONI.2025-03-02T09:27:04.788_1
Header ID
PIONI.2025-03-02T09:27:04.788
Date updated
2025-03-02 09:36:00 UTC+0000
Release date
2026-03-02 09:35:59 UTC+0000
UTC Start
2025-03-02 09:27:04.789
UTC End
2025-03-02 09:27:43.189
MJD Start
60736.3938054228
MJD End
60736.39424986724
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003632
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.92
Observation
ID
64936
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
48364
Name
HD 155806
RA
258.828825
DEC
-33.54838
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 81.6990 81.8100 102.3000 102.4000
A0-J2 118.8360 118.9800 77.0000 77.1000
A0-K0 122.0960 122.1870 54.5130 54.6540
G1-J2 57.0120 57.0340 39.1000 39.3000
G1-K0 90.4820 90.4820 12.5150 12.6250
J2-K0 47.0350 47.0470 339.6460 339.7160
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 60736.3938054228
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 155806
RA 258.828825
DEC -33.54838
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 81.699
HIERARCH ESO ISS PBL12 END 81.81
HIERARCH ESO ISS PBLA12 START 102.3
HIERARCH ESO ISS PBLA12 END 102.4
HIERARCH ESO ISS PBL13 START 118.836
HIERARCH ESO ISS PBL13 END 118.98
HIERARCH ESO ISS PBLA13 START 77.0
HIERARCH ESO ISS PBLA13 END 77.1
HIERARCH ESO ISS PBL14 START 122.096
HIERARCH ESO ISS PBL14 END 122.187
HIERARCH ESO ISS PBLA14 START 54.513
HIERARCH ESO ISS PBLA14 END 54.654
HIERARCH ESO ISS PBL23 START 57.012
HIERARCH ESO ISS PBL23 END 57.034
HIERARCH ESO ISS PBLA23 START 39.1
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.482
HIERARCH ESO ISS PBLA24 START 12.515
HIERARCH ESO ISS PBLA24 END 12.625
HIERARCH ESO ISS PBL34 START 47.035
HIERARCH ESO ISS PBL34 END 47.047
HIERARCH ESO ISS PBLA34 START 339.646
HIERARCH ESO ISS PBLA34 END 339.716
HIERARCH ESO ISS AMBI TAU0 START 0.003632
HIERARCH ESO ISS AMBI TAU0 END 0.003632
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.92