Exposure
ID
PIONI.2025-11-02T07:29:01.410_1
Header ID
PIONI.2025-11-02T07:29:01.410
Date updated
2025-11-02 07:36:06 UTC+0000
Release date
2026-11-02 07:36:06 UTC+0000
UTC Start
2025-11-02 07:29:01.409
UTC End
2025-11-02 07:30:43.809
MJD Start
60981.3118218672
MJD End
60981.31300705239
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0054135
Ambient temperature (°C)
10.73
Seeing (arcsec)
0.56
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 66.2290 66.5620 77.6000 78.0000
A0-J2 108.6560 108.9580 51.0000 51.5000
A0-K0 120.8450 120.9690 31.9590 32.4040
G1-J2 57.6370 57.6530 20.1000 20.5000
G1-K0 88.3470 88.3470 359.5340 359.8140
J2-K0 39.9030 39.9820 329.0430 329.2040
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 60981.3118218672
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 66.229
HIERARCH ESO ISS PBL12 END 66.562
HIERARCH ESO ISS PBLA12 START 77.6
HIERARCH ESO ISS PBLA12 END 78.0
HIERARCH ESO ISS PBL13 START 108.656
HIERARCH ESO ISS PBL13 END 108.958
HIERARCH ESO ISS PBLA13 START 51.0
HIERARCH ESO ISS PBLA13 END 51.5
HIERARCH ESO ISS PBL14 START 120.845
HIERARCH ESO ISS PBL14 END 120.969
HIERARCH ESO ISS PBLA14 START 31.959
HIERARCH ESO ISS PBLA14 END 32.404
HIERARCH ESO ISS PBL23 START 57.637
HIERARCH ESO ISS PBL23 END 57.653
HIERARCH ESO ISS PBLA23 START 20.1
HIERARCH ESO ISS PBLA23 END 20.5
HIERARCH ESO ISS PBL24 START 88.347
HIERARCH ESO ISS PBL24 END 88.347
HIERARCH ESO ISS PBLA24 START 359.534
HIERARCH ESO ISS PBLA24 END 359.814
HIERARCH ESO ISS PBL34 START 39.903
HIERARCH ESO ISS PBL34 END 39.982
HIERARCH ESO ISS PBLA34 START 329.043
HIERARCH ESO ISS PBLA34 END 329.204
HIERARCH ESO ISS AMBI TAU0 START 0.005738
HIERARCH ESO ISS AMBI TAU0 END 0.005089
HIERARCH ESO ISS AMBI TEMP 10.73
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57