Exposure
ID
PIONI.2025-10-09T02:15:18.778_1
Header ID
PIONI.2025-10-09T02:15:18.778
Date updated
2025-10-09 02:20:51 UTC+0000
Release date
2026-10-09 02:20:51 UTC+0000
UTC Start
2025-10-09 02:15:18.778
UTC End
2025-10-09 02:15:57.178
MJD Start
60957.0939673437
MJD End
60957.094411788144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006204
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.5
Observation
ID
70869
Category
science
Program ID
116.292S.001
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
52581
Name
HD_205637
RA
324.269023
DEC
-19.46601
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 86.9550 86.8850 122.8000 122.9000
A0-J2 124.2420 124.1250 98.6000 98.7000
A0-K0 124.4690 124.3730 76.2260 76.2820
G1-J2 57.2800 57.2500 60.2000 60.3000
G1-K0 90.3630 90.3550 31.9160 31.9740
J2-K0 48.3020 48.3020 357.6870 357.7760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60957.0939673437
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_205637
RA 324.269023
DEC -19.46601
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 86.955
HIERARCH ESO ISS PBL12 END 86.885
HIERARCH ESO ISS PBLA12 START 122.8
HIERARCH ESO ISS PBLA12 END 122.9
HIERARCH ESO ISS PBL13 START 124.242
HIERARCH ESO ISS PBL13 END 124.125
HIERARCH ESO ISS PBLA13 START 98.6
HIERARCH ESO ISS PBLA13 END 98.7
HIERARCH ESO ISS PBL14 START 124.469
HIERARCH ESO ISS PBL14 END 124.373
HIERARCH ESO ISS PBLA14 START 76.226
HIERARCH ESO ISS PBLA14 END 76.282
HIERARCH ESO ISS PBL23 START 57.28
HIERARCH ESO ISS PBL23 END 57.25
HIERARCH ESO ISS PBLA23 START 60.2
HIERARCH ESO ISS PBLA23 END 60.3
HIERARCH ESO ISS PBL24 START 90.363
HIERARCH ESO ISS PBL24 END 90.355
HIERARCH ESO ISS PBLA24 START 31.916
HIERARCH ESO ISS PBLA24 END 31.974
HIERARCH ESO ISS PBL34 START 48.302
HIERARCH ESO ISS PBL34 END 48.302
HIERARCH ESO ISS PBLA34 START 357.687
HIERARCH ESO ISS PBLA34 END 357.776
HIERARCH ESO ISS AMBI TAU0 START 0.006204
HIERARCH ESO ISS AMBI TAU0 END 0.006204
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.53