Exposure
ID
PIONI.2025-05-23T09:21:04.638_1
Header ID
PIONI.2025-05-23T09:21:04.638
Date updated
2025-05-23 09:26:05 UTC+0000
Release date
2025-05-23 09:21:04 UTC+0000
UTC Start
2025-05-23 09:21:04.638
UTC End
2025-05-23 09:21:30.238
MJD Start
60818.3896370102
MJD End
60818.3899333065
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003853
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.53
Observation
ID
67548
Category
calibrator
Program ID
115.285P.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
50238
Name
HD167720
RA
274.298417
DEC
-17.37399
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.2590 56.1650 284.3000 284.4000
K0-D0 81.9750 81.8520 260.1000 260.1000
K0-J3 53.9330 53.9270 351.1850 351.2730
G2-D0 38.4130 38.3950 223.1000 223.1000
G2-J3 60.7240 60.6830 49.5980 49.6100
D0-J3 98.9850 98.9270 47.0800 47.0920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60818.3896370102
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD167720
RA 274.298417
DEC -17.37399
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.259
HIERARCH ESO ISS PBL12 END 56.165
HIERARCH ESO ISS PBLA12 START 284.3
HIERARCH ESO ISS PBLA12 END 284.4
HIERARCH ESO ISS PBL13 START 81.975
HIERARCH ESO ISS PBL13 END 81.852
HIERARCH ESO ISS PBLA13 START 260.1
HIERARCH ESO ISS PBLA13 END 260.1
HIERARCH ESO ISS PBL14 START 53.933
HIERARCH ESO ISS PBL14 END 53.927
HIERARCH ESO ISS PBLA14 START 351.185
HIERARCH ESO ISS PBLA14 END 351.273
HIERARCH ESO ISS PBL23 START 38.413
HIERARCH ESO ISS PBL23 END 38.395
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 60.724
HIERARCH ESO ISS PBL24 END 60.683
HIERARCH ESO ISS PBLA24 START 49.598
HIERARCH ESO ISS PBLA24 END 49.61
HIERARCH ESO ISS PBL34 START 98.985
HIERARCH ESO ISS PBL34 END 98.927
HIERARCH ESO ISS PBLA34 START 47.08
HIERARCH ESO ISS PBLA34 END 47.092
HIERARCH ESO ISS AMBI TAU0 START 0.003853
HIERARCH ESO ISS AMBI TAU0 END 0.003853
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53