Exposure
ID
PIONI.2025-11-02T07:25:13.023_1
Header ID
PIONI.2025-11-02T07:25:13.023
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 07:25:13.023
UTC End
2025-11-02 07:26:55.423
MJD Start
60981.3091785116
MJD End
60981.310363696786
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.005499
Ambient temperature (°C)
10.77
Seeing (arcsec)
0.54
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 65.5520 65.8880 76.8000 77.2000
A0-J2 108.0480 108.3500 50.1000 50.6000
A0-K0 120.5970 120.7200 31.0630 31.5100
G1-J2 57.6060 57.6210 19.3000 19.7000
G1-K0 88.3440 88.3460 358.9710 359.2520
J2-K0 39.7410 39.8220 328.7230 328.8830
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 60981.3091785116
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 65.552
HIERARCH ESO ISS PBL12 END 65.888
HIERARCH ESO ISS PBLA12 START 76.8
HIERARCH ESO ISS PBLA12 END 77.2
HIERARCH ESO ISS PBL13 START 108.048
HIERARCH ESO ISS PBL13 END 108.35
HIERARCH ESO ISS PBLA13 START 50.1
HIERARCH ESO ISS PBLA13 END 50.6
HIERARCH ESO ISS PBL14 START 120.597
HIERARCH ESO ISS PBL14 END 120.72
HIERARCH ESO ISS PBLA14 START 31.063
HIERARCH ESO ISS PBLA14 END 31.51
HIERARCH ESO ISS PBL23 START 57.606
HIERARCH ESO ISS PBL23 END 57.621
HIERARCH ESO ISS PBLA23 START 19.3
HIERARCH ESO ISS PBLA23 END 19.7
HIERARCH ESO ISS PBL24 START 88.344
HIERARCH ESO ISS PBL24 END 88.346
HIERARCH ESO ISS PBLA24 START 358.971
HIERARCH ESO ISS PBLA24 END 359.252
HIERARCH ESO ISS PBL34 START 39.741
HIERARCH ESO ISS PBL34 END 39.822
HIERARCH ESO ISS PBLA34 START 328.723
HIERARCH ESO ISS PBLA34 END 328.883
HIERARCH ESO ISS AMBI TAU0 START 0.00572
HIERARCH ESO ISS AMBI TAU0 END 0.005278
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54