Exposure
ID
PIONI.2025-10-29T08:38:47.268_1
Header ID
PIONI.2025-10-29T08:38:47.268
Date updated
2025-10-29 08:45:35 UTC+0000
Release date
2026-10-29 08:45:35 UTC+0000
UTC Start
2025-10-29 08:38:47.268
UTC End
2025-10-29 08:40:04.068
MJD Start
60977.3602693016
MJD End
60977.36115819049
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0064645
Ambient temperature (°C)
12.76
Seeing (arcsec)
0.655
Observation
ID
71053
Category
science
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
52733
Name
HD_37017
RA
83.840004
DEC
-4.49416
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 84.8200 84.6410 117.1000 117.2000
A0-J2 125.4100 125.2100 93.8000 93.8000
A0-K0 127.2790 127.1960 73.1500 73.1670
G1-J2 58.2280 58.2290 58.5000 58.5000
G1-K0 88.6370 88.6960 31.5060 31.5970
J2-K0 45.2670 45.2590 355.7850 355.9560
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60977.3602693016
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_37017
RA 83.840004
DEC -4.49416
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 84.82
HIERARCH ESO ISS PBL12 END 84.641
HIERARCH ESO ISS PBLA12 START 117.1
HIERARCH ESO ISS PBLA12 END 117.2
HIERARCH ESO ISS PBL13 START 125.41
HIERARCH ESO ISS PBL13 END 125.21
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 93.8
HIERARCH ESO ISS PBL14 START 127.279
HIERARCH ESO ISS PBL14 END 127.196
HIERARCH ESO ISS PBLA14 START 73.15
HIERARCH ESO ISS PBLA14 END 73.167
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 88.637
HIERARCH ESO ISS PBL24 END 88.696
HIERARCH ESO ISS PBLA24 START 31.506
HIERARCH ESO ISS PBLA24 END 31.597
HIERARCH ESO ISS PBL34 START 45.267
HIERARCH ESO ISS PBL34 END 45.259
HIERARCH ESO ISS PBLA34 START 355.785
HIERARCH ESO ISS PBLA34 END 355.956
HIERARCH ESO ISS AMBI TAU0 START 0.006409
HIERARCH ESO ISS AMBI TAU0 END 0.00652
HIERARCH ESO ISS AMBI TEMP 12.76
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.62