Exposure
ID
PIONI.2025-10-09T02:14:28.310_1
Header ID
PIONI.2025-10-09T02:14:28.310
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 02:14:28.310
UTC End
2025-10-09 02:15:06.710
MJD Start
60957.0933832224
MJD End
60957.09382766684
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0061745
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.485
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 87.0270 86.9580 122.7000 122.8000
A0-J2 124.3620 124.2460 98.5000 98.6000
A0-K0 124.5680 124.4730 76.1680 76.2240
G1-J2 57.3110 57.2810 60.2000 60.2000
G1-K0 90.3720 90.3640 31.8550 31.9140
J2-K0 48.3030 48.3020 357.5940 357.6830
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 60957.0933832224
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 87.027
HIERARCH ESO ISS PBL12 END 86.958
HIERARCH ESO ISS PBLA12 START 122.7
HIERARCH ESO ISS PBLA12 END 122.8
HIERARCH ESO ISS PBL13 START 124.362
HIERARCH ESO ISS PBL13 END 124.246
HIERARCH ESO ISS PBLA13 START 98.5
HIERARCH ESO ISS PBLA13 END 98.6
HIERARCH ESO ISS PBL14 START 124.568
HIERARCH ESO ISS PBL14 END 124.473
HIERARCH ESO ISS PBLA14 START 76.168
HIERARCH ESO ISS PBLA14 END 76.224
HIERARCH ESO ISS PBL23 START 57.311
HIERARCH ESO ISS PBL23 END 57.281
HIERARCH ESO ISS PBLA23 START 60.2
HIERARCH ESO ISS PBLA23 END 60.2
HIERARCH ESO ISS PBL24 START 90.372
HIERARCH ESO ISS PBL24 END 90.364
HIERARCH ESO ISS PBLA24 START 31.855
HIERARCH ESO ISS PBLA24 END 31.914
HIERARCH ESO ISS PBL34 START 48.303
HIERARCH ESO ISS PBL34 END 48.302
HIERARCH ESO ISS PBLA34 START 357.594
HIERARCH ESO ISS PBLA34 END 357.683
HIERARCH ESO ISS AMBI TAU0 START 0.006145
HIERARCH ESO ISS AMBI TAU0 END 0.006204
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.47