Exposure
ID
PIONI.2025-10-09T02:12:47.733_1
Header ID
PIONI.2025-10-09T02:12:47.733
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 02:12:47.733
UTC End
2025-10-09 02:13:26.133
MJD Start
60957.0922191343
MJD End
60957.09266357874
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0059375
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.525
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 87.1710 87.1030 122.5000 122.6000
A0-J2 124.6010 124.4880 98.4000 98.5000
A0-K0 124.7630 124.6710 76.0470 76.1030
G1-J2 57.3720 57.3430 60.1000 60.1000
G1-K0 90.3880 90.3800 31.7280 31.7870
J2-K0 48.3050 48.3040 357.4030 357.4920
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 60957.0922191343
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 87.171
HIERARCH ESO ISS PBL12 END 87.103
HIERARCH ESO ISS PBLA12 START 122.5
HIERARCH ESO ISS PBLA12 END 122.6
HIERARCH ESO ISS PBL13 START 124.601
HIERARCH ESO ISS PBL13 END 124.488
HIERARCH ESO ISS PBLA13 START 98.4
HIERARCH ESO ISS PBLA13 END 98.5
HIERARCH ESO ISS PBL14 START 124.763
HIERARCH ESO ISS PBL14 END 124.671
HIERARCH ESO ISS PBLA14 START 76.047
HIERARCH ESO ISS PBLA14 END 76.103
HIERARCH ESO ISS PBL23 START 57.372
HIERARCH ESO ISS PBL23 END 57.343
HIERARCH ESO ISS PBLA23 START 60.1
HIERARCH ESO ISS PBLA23 END 60.1
HIERARCH ESO ISS PBL24 START 90.388
HIERARCH ESO ISS PBL24 END 90.38
HIERARCH ESO ISS PBLA24 START 31.728
HIERARCH ESO ISS PBLA24 END 31.787
HIERARCH ESO ISS PBL34 START 48.305
HIERARCH ESO ISS PBL34 END 48.304
HIERARCH ESO ISS PBLA34 START 357.403
HIERARCH ESO ISS PBLA34 END 357.492
HIERARCH ESO ISS AMBI TAU0 START 0.00573
HIERARCH ESO ISS AMBI TAU0 END 0.006145
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.5