Exposure
ID
PIONI.2025-10-30T07:12:29.315_1
Header ID
PIONI.2025-10-30T07:12:29.315
Date updated
2025-10-30 07:20:38 UTC+0000
Release date
2026-10-30 07:20:37 UTC+0000
UTC Start
2025-10-30 07:12:29.315
UTC End
2025-10-30 07:14:11.715
MJD Start
60978.3003392932
MJD End
60978.30152447839
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.004886
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.7749999999999999
Observation
ID
71049
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
52729
Name
HD 76556
RA
133.778069
DEC
-47.60752
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 61.0720 61.4190 71.1000 71.5000
A0-J2 104.1690 104.4590 43.6000 44.1000
A0-K0 119.0710 119.1810 25.1510 25.6090
G1-J2 57.4170 57.4300 14.1000 14.5000
G1-K0 88.2730 88.2820 355.3490 355.6240
J2-K0 38.6300 38.7190 326.7500 326.8950
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 60978.3003392932
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 76556
RA 133.778069
DEC -47.60752
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 0.002
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 61.072
HIERARCH ESO ISS PBL12 END 61.419
HIERARCH ESO ISS PBLA12 START 71.1
HIERARCH ESO ISS PBLA12 END 71.5
HIERARCH ESO ISS PBL13 START 104.169
HIERARCH ESO ISS PBL13 END 104.459
HIERARCH ESO ISS PBLA13 START 43.6
HIERARCH ESO ISS PBLA13 END 44.1
HIERARCH ESO ISS PBL14 START 119.071
HIERARCH ESO ISS PBL14 END 119.181
HIERARCH ESO ISS PBLA14 START 25.151
HIERARCH ESO ISS PBLA14 END 25.609
HIERARCH ESO ISS PBL23 START 57.417
HIERARCH ESO ISS PBL23 END 57.43
HIERARCH ESO ISS PBLA23 START 14.1
HIERARCH ESO ISS PBLA23 END 14.5
HIERARCH ESO ISS PBL24 START 88.273
HIERARCH ESO ISS PBL24 END 88.282
HIERARCH ESO ISS PBLA24 START 355.349
HIERARCH ESO ISS PBLA24 END 355.624
HIERARCH ESO ISS PBL34 START 38.63
HIERARCH ESO ISS PBL34 END 38.719
HIERARCH ESO ISS PBLA34 START 326.75
HIERARCH ESO ISS PBLA34 END 326.895
HIERARCH ESO ISS AMBI TAU0 START 0.004899
HIERARCH ESO ISS AMBI TAU0 END 0.004873
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.82