Exposure
ID
PIONI.2025-05-23T10:05:45.786_1
Header ID
PIONI.2025-05-23T10:05:45.786
Date updated
2025-05-23 10:11:24 UTC+0000
Release date
2025-05-23 10:05:45 UTC+0000
UTC Start
2025-05-23 10:05:45.786
UTC End
2025-05-23 10:06:11.386
MJD Start
60818.4206688167
MJD End
60818.420965113
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0045065
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.6000000000000001
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 48.4900 48.3770 290.3000 290.4000
K0-D0 71.4340 71.2750 262.2000 262.2000
K0-J3 53.6250 53.6240 358.0140 358.1070
G2-D0 36.6760 36.6480 223.6000 223.6000
G2-J3 57.0150 56.9570 49.8970 49.8930
D0-J3 93.5580 93.4730 47.4500 47.4470
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 60818.4206688167
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 48.49
HIERARCH ESO ISS PBL12 END 48.377
HIERARCH ESO ISS PBLA12 START 290.3
HIERARCH ESO ISS PBLA12 END 290.4
HIERARCH ESO ISS PBL13 START 71.434
HIERARCH ESO ISS PBL13 END 71.275
HIERARCH ESO ISS PBLA13 START 262.2
HIERARCH ESO ISS PBLA13 END 262.2
HIERARCH ESO ISS PBL14 START 53.625
HIERARCH ESO ISS PBL14 END 53.624
HIERARCH ESO ISS PBLA14 START 358.014
HIERARCH ESO ISS PBLA14 END 358.107
HIERARCH ESO ISS PBL23 START 36.676
HIERARCH ESO ISS PBL23 END 36.648
HIERARCH ESO ISS PBLA23 START 223.6
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 57.015
HIERARCH ESO ISS PBL24 END 56.957
HIERARCH ESO ISS PBLA24 START 49.897
HIERARCH ESO ISS PBLA24 END 49.893
HIERARCH ESO ISS PBL34 START 93.558
HIERARCH ESO ISS PBL34 END 93.473
HIERARCH ESO ISS PBLA34 START 47.45
HIERARCH ESO ISS PBLA34 END 47.447
HIERARCH ESO ISS AMBI TAU0 START 0.004738
HIERARCH ESO ISS AMBI TAU0 END 0.004275
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.65