Exposure
ID
PIONI.2025-10-29T00:44:54.106_1
Header ID
PIONI.2025-10-29T00:44:54.106
Date updated
2025-10-29 00:50:45 UTC+0000
Release date
2026-10-29 00:50:45 UTC+0000
UTC Start
2025-10-29 00:44:54.106
UTC End
2025-10-29 00:46:10.906
MJD Start
60977.0311817802
MJD End
60977.03207066909
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.007976
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.57
Observation
ID
71021
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
52705
Name
HD_191263
RA
302.158379
DEC
10.72586
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 61.0390 60.6550 113.2000 113.2000
A0-J2 103.3140 102.8300 85.1000 85.0000
A0-K0 118.2580 117.9780 66.1440 66.0160
G1-J2 57.2160 57.1610 54.9000 54.8000
G1-K0 88.6960 88.7610 35.9140 35.9030
J2-K0 39.2750 39.2990 7.6360 7.8260
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 60977.0311817802
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_191263
RA 302.158379
DEC 10.72586
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 61.039
HIERARCH ESO ISS PBL12 END 60.655
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 103.314
HIERARCH ESO ISS PBL13 END 102.83
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 118.258
HIERARCH ESO ISS PBL14 END 117.978
HIERARCH ESO ISS PBLA14 START 66.144
HIERARCH ESO ISS PBLA14 END 66.016
HIERARCH ESO ISS PBL23 START 57.216
HIERARCH ESO ISS PBL23 END 57.161
HIERARCH ESO ISS PBLA23 START 54.9
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 88.696
HIERARCH ESO ISS PBL24 END 88.761
HIERARCH ESO ISS PBLA24 START 35.914
HIERARCH ESO ISS PBLA24 END 35.903
HIERARCH ESO ISS PBL34 START 39.275
HIERARCH ESO ISS PBL34 END 39.299
HIERARCH ESO ISS PBLA34 START 7.636
HIERARCH ESO ISS PBLA34 END 7.826
HIERARCH ESO ISS AMBI TAU0 START 0.008277
HIERARCH ESO ISS AMBI TAU0 END 0.007675
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57