Exposure
ID
PIONI.2025-10-09T00:45:00.465_1
Header ID
PIONI.2025-10-09T00:45:00.465
Date updated
2025-10-09 00:50:54 UTC+0000
Release date
2025-10-09 00:45:00 UTC+0000
UTC Start
2025-10-09 00:45:00.465
UTC End
2025-10-09 00:45:38.865
MJD Start
60957.0312553789
MJD End
60957.03169982334
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005268
Ambient temperature (°C)
12.81
Seeing (arcsec)
0.73
Observation
ID
70861
Category
calibrator
Program ID
116.292S.002
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / LE BOUQUIN / FROST / BORDIER
Target
ID
52574
Name
HD_155870
RA
258.919346
DEC
-33.26785
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 78.0980 78.0520 159.6000 159.8000
A0-J2 91.9540 91.7710 136.4000 136.6000
A0-K0 79.3000 79.0160 105.1420 105.3080
G1-J2 36.8720 36.7420 79.6000 79.7000
G1-K0 72.0700 71.9600 43.2440 43.2610
J2-K0 47.6840 47.6760 15.9530 16.0300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60957.0312553789
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_155870
RA 258.919346
DEC -33.26785
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 78.098
HIERARCH ESO ISS PBL12 END 78.052
HIERARCH ESO ISS PBLA12 START 159.6
HIERARCH ESO ISS PBLA12 END 159.8
HIERARCH ESO ISS PBL13 START 91.954
HIERARCH ESO ISS PBL13 END 91.771
HIERARCH ESO ISS PBLA13 START 136.4
HIERARCH ESO ISS PBLA13 END 136.6
HIERARCH ESO ISS PBL14 START 79.3
HIERARCH ESO ISS PBL14 END 79.016
HIERARCH ESO ISS PBLA14 START 105.142
HIERARCH ESO ISS PBLA14 END 105.308
HIERARCH ESO ISS PBL23 START 36.872
HIERARCH ESO ISS PBL23 END 36.742
HIERARCH ESO ISS PBLA23 START 79.6
HIERARCH ESO ISS PBLA23 END 79.7
HIERARCH ESO ISS PBL24 START 72.07
HIERARCH ESO ISS PBL24 END 71.96
HIERARCH ESO ISS PBLA24 START 43.244
HIERARCH ESO ISS PBLA24 END 43.261
HIERARCH ESO ISS PBL34 START 47.684
HIERARCH ESO ISS PBL34 END 47.676
HIERARCH ESO ISS PBLA34 START 15.953
HIERARCH ESO ISS PBLA34 END 16.03
HIERARCH ESO ISS AMBI TAU0 START 0.005036
HIERARCH ESO ISS AMBI TAU0 END 0.0055
HIERARCH ESO ISS AMBI TEMP 12.81
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.72