Exposure
ID
PIONI.2025-10-09T02:13:37.893_1
Header ID
PIONI.2025-10-09T02:13:37.893
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 02:13:37.893
UTC End
2025-10-09 02:14:16.293
MJD Start
60957.0927996906
MJD End
60957.093244135045
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006145
Ambient temperature (°C)
13.29
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 87.1000 87.0300 122.6000 122.7000
A0-J2 124.4830 124.3670 98.5000 98.5000
A0-K0 124.6670 124.5710 76.1050 76.1660
G1-J2 57.3420 57.3120 60.1000 60.2000
G1-K0 90.3800 90.3720 31.7890 31.8530
J2-K0 48.3040 48.3030 357.4960 357.5910
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 60957.0927996906
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 87.1
HIERARCH ESO ISS PBL12 END 87.03
HIERARCH ESO ISS PBLA12 START 122.6
HIERARCH ESO ISS PBLA12 END 122.7
HIERARCH ESO ISS PBL13 START 124.483
HIERARCH ESO ISS PBL13 END 124.367
HIERARCH ESO ISS PBLA13 START 98.5
HIERARCH ESO ISS PBLA13 END 98.5
HIERARCH ESO ISS PBL14 START 124.667
HIERARCH ESO ISS PBL14 END 124.571
HIERARCH ESO ISS PBLA14 START 76.105
HIERARCH ESO ISS PBLA14 END 76.166
HIERARCH ESO ISS PBL23 START 57.342
HIERARCH ESO ISS PBL23 END 57.312
HIERARCH ESO ISS PBLA23 START 60.1
HIERARCH ESO ISS PBLA23 END 60.2
HIERARCH ESO ISS PBL24 START 90.38
HIERARCH ESO ISS PBL24 END 90.372
HIERARCH ESO ISS PBLA24 START 31.789
HIERARCH ESO ISS PBLA24 END 31.853
HIERARCH ESO ISS PBL34 START 48.304
HIERARCH ESO ISS PBL34 END 48.303
HIERARCH ESO ISS PBLA34 START 357.496
HIERARCH ESO ISS PBLA34 END 357.591
HIERARCH ESO ISS AMBI TAU0 START 0.006145
HIERARCH ESO ISS AMBI TAU0 END 0.006145
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5