Exposure
ID
PIONI.2025-10-29T00:38:59.611_1
Header ID
PIONI.2025-10-29T00:38:59.611
Date updated
2025-10-29 00:45:55 UTC+0000
Release date
2026-10-29 00:45:54 UTC+0000
UTC Start
2025-10-29 00:38:59.611
UTC End
2025-10-29 00:40:16.411
MJD Start
60977.0270788306
MJD End
60977.02796771949
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0079385
Ambient temperature (°C)
14.55
Seeing (arcsec)
0.6
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 62.5810 62.2090 112.8000 112.9000
A0-J2 105.2420 104.7800 85.4000 85.3000
A0-K0 119.3630 119.1000 66.6530 66.5320
G1-J2 57.4290 57.3790 55.3000 55.2000
G1-K0 88.4200 88.4890 35.9440 35.9380
J2-K0 39.1830 39.2040 6.8560 7.0470
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 60977.0270788306
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 62.581
HIERARCH ESO ISS PBL12 END 62.209
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 105.242
HIERARCH ESO ISS PBL13 END 104.78
HIERARCH ESO ISS PBLA13 START 85.4
HIERARCH ESO ISS PBLA13 END 85.3
HIERARCH ESO ISS PBL14 START 119.363
HIERARCH ESO ISS PBL14 END 119.1
HIERARCH ESO ISS PBLA14 START 66.653
HIERARCH ESO ISS PBLA14 END 66.532
HIERARCH ESO ISS PBL23 START 57.429
HIERARCH ESO ISS PBL23 END 57.379
HIERARCH ESO ISS PBLA23 START 55.3
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 88.42
HIERARCH ESO ISS PBL24 END 88.489
HIERARCH ESO ISS PBLA24 START 35.944
HIERARCH ESO ISS PBLA24 END 35.938
HIERARCH ESO ISS PBL34 START 39.183
HIERARCH ESO ISS PBL34 END 39.204
HIERARCH ESO ISS PBLA34 START 6.856
HIERARCH ESO ISS PBLA34 END 7.047
HIERARCH ESO ISS AMBI TAU0 START 0.008506
HIERARCH ESO ISS AMBI TAU0 END 0.007371
HIERARCH ESO ISS AMBI TEMP 14.55
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.61