Exposure
ID
PIONI.2025-03-21T07:05:57.586_1
Header ID
PIONI.2025-03-21T07:05:57.586
Date updated
2025-03-21 07:10:39 UTC+0000
Release date
2026-03-21 07:10:39 UTC+0000
UTC Start
2025-03-21 07:05:57.586
UTC End
2025-03-21 07:06:48.786
MJD Start
60755.29580539
MJD End
60755.296397982594
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.005733
Ambient temperature (°C)
15.53
Seeing (arcsec)
0.485
Observation
ID
64904
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
48334
Name
HD_152623
RA
254.061145
DEC
-40.65995
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 73.4210 73.5990 91.6000 91.8000
A0-J2 112.1270 112.3230 64.9000 65.1000
A0-K0 120.2990 120.4000 43.3560 43.5730
G1-J2 57.1150 57.1340 29.5000 29.7000
G1-K0 90.0100 90.0060 5.8690 6.0150
J2-K0 44.0780 44.1080 334.6050 334.6890
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 60755.29580539
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_152623
RA 254.061145
DEC -40.65995
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 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 73.421
HIERARCH ESO ISS PBL12 END 73.599
HIERARCH ESO ISS PBLA12 START 91.6
HIERARCH ESO ISS PBLA12 END 91.8
HIERARCH ESO ISS PBL13 START 112.127
HIERARCH ESO ISS PBL13 END 112.323
HIERARCH ESO ISS PBLA13 START 64.9
HIERARCH ESO ISS PBLA13 END 65.1
HIERARCH ESO ISS PBL14 START 120.299
HIERARCH ESO ISS PBL14 END 120.4
HIERARCH ESO ISS PBLA14 START 43.356
HIERARCH ESO ISS PBLA14 END 43.573
HIERARCH ESO ISS PBL23 START 57.115
HIERARCH ESO ISS PBL23 END 57.134
HIERARCH ESO ISS PBLA23 START 29.5
HIERARCH ESO ISS PBLA23 END 29.7
HIERARCH ESO ISS PBL24 START 90.01
HIERARCH ESO ISS PBL24 END 90.006
HIERARCH ESO ISS PBLA24 START 5.869
HIERARCH ESO ISS PBLA24 END 6.015
HIERARCH ESO ISS PBL34 START 44.078
HIERARCH ESO ISS PBL34 END 44.108
HIERARCH ESO ISS PBLA34 START 334.605
HIERARCH ESO ISS PBLA34 END 334.689
HIERARCH ESO ISS AMBI TAU0 START 0.005745
HIERARCH ESO ISS AMBI TAU0 END 0.005721
HIERARCH ESO ISS AMBI TEMP 15.53
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.47