Exposure
ID
PIONI.2025-10-29T00:41:56.668_1
Header ID
PIONI.2025-10-29T00:41:56.668
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 00:41:56.668
UTC End
2025-10-29 00:43:13.468
MJD Start
60977.0291281017
MJD End
60977.03001699059
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.007639
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 61.8140 61.4340 113.0000 113.1000
A0-J2 104.2860 103.8100 85.2000 85.2000
A0-K0 118.8180 118.5450 66.4010 66.2750
G1-J2 57.3250 57.2730 55.1000 55.0000
G1-K0 88.5610 88.6280 35.9310 35.9230
J2-K0 39.2280 39.2510 7.2470 7.4390
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 60977.0291281017
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 61.814
HIERARCH ESO ISS PBL12 END 61.434
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 104.286
HIERARCH ESO ISS PBL13 END 103.81
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.2
HIERARCH ESO ISS PBL14 START 118.818
HIERARCH ESO ISS PBL14 END 118.545
HIERARCH ESO ISS PBLA14 START 66.401
HIERARCH ESO ISS PBLA14 END 66.275
HIERARCH ESO ISS PBL23 START 57.325
HIERARCH ESO ISS PBL23 END 57.273
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 88.561
HIERARCH ESO ISS PBL24 END 88.628
HIERARCH ESO ISS PBLA24 START 35.931
HIERARCH ESO ISS PBLA24 END 35.923
HIERARCH ESO ISS PBL34 START 39.228
HIERARCH ESO ISS PBL34 END 39.251
HIERARCH ESO ISS PBLA34 START 7.247
HIERARCH ESO ISS PBLA34 END 7.439
HIERARCH ESO ISS AMBI TAU0 START 0.007639
HIERARCH ESO ISS AMBI TAU0 END 0.007639
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57