Exposure
ID
PIONI.2025-10-29T08:43:13.528_1
Header ID
PIONI.2025-10-29T08:43:13.528
Date updated
2025-10-29 08:50:56 UTC+0000
Release date
2026-10-29 08:50:55 UTC+0000
UTC Start
2025-10-29 08:43:13.528
UTC End
2025-10-29 08:44:30.328
MJD Start
60977.3633510172
MJD End
60977.36423990609
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.005722
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.64
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 84.2640 84.0780 117.4000 117.5000
A0-J2 124.7840 124.5700 93.9000 93.9000
A0-K0 127.0090 126.9120 73.2000 73.2150
G1-J2 58.2260 58.2220 58.6000 58.6000
G1-K0 88.8160 88.8740 31.7820 31.8690
J2-K0 45.2430 45.2360 356.3080 356.4790
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 60977.3633510172
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 84.264
HIERARCH ESO ISS PBL12 END 84.078
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 117.5
HIERARCH ESO ISS PBL13 START 124.784
HIERARCH ESO ISS PBL13 END 124.57
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 127.009
HIERARCH ESO ISS PBL14 END 126.912
HIERARCH ESO ISS PBLA14 START 73.2
HIERARCH ESO ISS PBLA14 END 73.215
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.222
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.816
HIERARCH ESO ISS PBL24 END 88.874
HIERARCH ESO ISS PBLA24 START 31.782
HIERARCH ESO ISS PBLA24 END 31.869
HIERARCH ESO ISS PBL34 START 45.243
HIERARCH ESO ISS PBL34 END 45.236
HIERARCH ESO ISS PBLA34 START 356.308
HIERARCH ESO ISS PBLA34 END 356.479
HIERARCH ESO ISS AMBI TAU0 START 0.005274
HIERARCH ESO ISS AMBI TAU0 END 0.00617
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64