Exposure
ID
PIONI.2025-12-03T04:24:06.824_1
Header ID
PIONI.2025-12-03T04:24:06.824
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 04:24:06.825
UTC End
2025-12-03 04:24:32.425
MJD Start
61012.1834123232
MJD End
61012.183708619494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0050775
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.8049999999999999
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 90.3160 90.3290 113.5000 113.5000
A0-J2 125.2470 125.3300 92.6000 92.6000
A0-K0 118.3260 118.4470 71.2320 71.2520
G1-J2 52.1220 52.1770 54.3000 54.3000
G1-K0 79.6850 79.7260 21.5150 21.5910
J2-K0 45.6170 45.6040 343.3250 343.3790
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 61012.1834123232
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 90.316
HIERARCH ESO ISS PBL12 END 90.329
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 125.247
HIERARCH ESO ISS PBL13 END 125.33
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 118.326
HIERARCH ESO ISS PBL14 END 118.447
HIERARCH ESO ISS PBLA14 START 71.232
HIERARCH ESO ISS PBLA14 END 71.252
HIERARCH ESO ISS PBL23 START 52.122
HIERARCH ESO ISS PBL23 END 52.177
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 79.685
HIERARCH ESO ISS PBL24 END 79.726
HIERARCH ESO ISS PBLA24 START 21.515
HIERARCH ESO ISS PBLA24 END 21.591
HIERARCH ESO ISS PBL34 START 45.617
HIERARCH ESO ISS PBL34 END 45.604
HIERARCH ESO ISS PBLA34 START 343.325
HIERARCH ESO ISS PBLA34 END 343.379
HIERARCH ESO ISS AMBI TAU0 START 0.004911
HIERARCH ESO ISS AMBI TAU0 END 0.005244
HIERARCH ESO ISS AMBI TEMP 14.11
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.77