Exposure
ID
PIONI.2025-10-29T05:50:59.025_1
Header ID
PIONI.2025-10-29T05:50:59.025
Date updated
2025-10-29 06:01:22 UTC+0000
Release date
2026-10-29 06:01:22 UTC+0000
UTC Start
2025-10-29 05:50:59.026
UTC End
2025-10-29 05:51:37.426
MJD Start
60977.2437387249
MJD End
60977.24418316934
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005794
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.49
Observation
ID
71043
Category
science
Program ID
116.292S.001
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
52723
Name
HD_64760
RA
118.323943
DEC
-48.1029
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 56.8710 57.0230 64.4000 64.6000
A0-J2 101.1450 101.2600 36.6000 36.8000
A0-K0 118.1720 118.2110 19.1780 19.3840
G1-J2 57.3570 57.3610 9.0000 9.2000
G1-K0 87.9480 87.9550 351.8500 351.9700
J2-K0 37.2360 37.2790 324.7710 324.8290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60977.2437387249
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_64760
RA 118.323943
DEC -48.1029
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 56.871
HIERARCH ESO ISS PBL12 END 57.023
HIERARCH ESO ISS PBLA12 START 64.4
HIERARCH ESO ISS PBLA12 END 64.6
HIERARCH ESO ISS PBL13 START 101.145
HIERARCH ESO ISS PBL13 END 101.26
HIERARCH ESO ISS PBLA13 START 36.6
HIERARCH ESO ISS PBLA13 END 36.8
HIERARCH ESO ISS PBL14 START 118.172
HIERARCH ESO ISS PBL14 END 118.211
HIERARCH ESO ISS PBLA14 START 19.178
HIERARCH ESO ISS PBLA14 END 19.384
HIERARCH ESO ISS PBL23 START 57.357
HIERARCH ESO ISS PBL23 END 57.361
HIERARCH ESO ISS PBLA23 START 9.0
HIERARCH ESO ISS PBLA23 END 9.2
HIERARCH ESO ISS PBL24 START 87.948
HIERARCH ESO ISS PBL24 END 87.955
HIERARCH ESO ISS PBLA24 START 351.85
HIERARCH ESO ISS PBLA24 END 351.97
HIERARCH ESO ISS PBL34 START 37.236
HIERARCH ESO ISS PBL34 END 37.279
HIERARCH ESO ISS PBLA34 START 324.771
HIERARCH ESO ISS PBLA34 END 324.829
HIERARCH ESO ISS AMBI TAU0 START 0.005794
HIERARCH ESO ISS AMBI TAU0 END 0.005794
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49