Exposure
ID
PIONI.2025-12-03T04:23:29.108_1
Header ID
PIONI.2025-12-03T04:23:29.108
Date updated
2025-12-03 04:31:11 UTC+0000
Release date
2026-12-03 04:31:11 UTC+0000
UTC Start
2025-12-03 04:23:29.109
UTC End
2025-12-03 04:23:54.709
MJD Start
61012.1829757933
MJD End
61012.1832720896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00502
Ambient temperature (°C)
14.12
Seeing (arcsec)
0.84
Observation
ID
71959
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
53424
Name
del Ori
RA
83.000524
DEC
-0.29906
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 90.3000 90.3150 113.5000 113.5000
A0-J2 125.1590 125.2430 92.6000 92.6000
A0-K0 118.1980 118.3190 71.2100 71.2300
G1-J2 52.0640 52.1190 54.2000 54.3000
G1-K0 79.6420 79.6830 21.4350 21.5110
J2-K0 45.6300 45.6180 343.2680 343.3220
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 61012.1829757933
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Ori
RA 83.000524
DEC -0.29906
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.3
HIERARCH ESO ISS PBL12 END 90.315
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 125.159
HIERARCH ESO ISS PBL13 END 125.243
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 118.198
HIERARCH ESO ISS PBL14 END 118.319
HIERARCH ESO ISS PBLA14 START 71.21
HIERARCH ESO ISS PBLA14 END 71.23
HIERARCH ESO ISS PBL23 START 52.064
HIERARCH ESO ISS PBL23 END 52.119
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 79.642
HIERARCH ESO ISS PBL24 END 79.683
HIERARCH ESO ISS PBLA24 START 21.435
HIERARCH ESO ISS PBLA24 END 21.511
HIERARCH ESO ISS PBL34 START 45.63
HIERARCH ESO ISS PBL34 END 45.618
HIERARCH ESO ISS PBLA34 START 343.268
HIERARCH ESO ISS PBLA34 END 343.322
HIERARCH ESO ISS AMBI TAU0 START 0.005129
HIERARCH ESO ISS AMBI TAU0 END 0.004911
HIERARCH ESO ISS AMBI TEMP 14.12
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84