Exposure
ID
PIONI.2025-05-23T09:22:20.121_1
Header ID
PIONI.2025-05-23T09:22:20.121
Date updated
2025-05-23 09:26:05 UTC+0000
Release date
2025-05-23 09:22:20 UTC+0000
UTC Start
2025-05-23 09:22:20.121
UTC End
2025-05-23 09:22:45.721
MJD Start
60818.3905106611
MJD End
60818.390806957395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00343
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.56
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 56.0600 55.9650 284.5000 284.6000
K0-D0 81.7140 81.5890 260.1000 260.2000
K0-J3 53.9200 53.9130 351.3730 351.4630
G2-D0 38.3730 38.3540 223.1000 223.1000
G2-J3 60.6370 60.5940 49.6220 49.6330
D0-J3 98.8590 98.7980 47.1060 47.1180
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 60818.3905106611
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 56.06
HIERARCH ESO ISS PBL12 END 55.965
HIERARCH ESO ISS PBLA12 START 284.5
HIERARCH ESO ISS PBLA12 END 284.6
HIERARCH ESO ISS PBL13 START 81.714
HIERARCH ESO ISS PBL13 END 81.589
HIERARCH ESO ISS PBLA13 START 260.1
HIERARCH ESO ISS PBLA13 END 260.2
HIERARCH ESO ISS PBL14 START 53.92
HIERARCH ESO ISS PBL14 END 53.913
HIERARCH ESO ISS PBLA14 START 351.373
HIERARCH ESO ISS PBLA14 END 351.463
HIERARCH ESO ISS PBL23 START 38.373
HIERARCH ESO ISS PBL23 END 38.354
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 60.637
HIERARCH ESO ISS PBL24 END 60.594
HIERARCH ESO ISS PBLA24 START 49.622
HIERARCH ESO ISS PBLA24 END 49.633
HIERARCH ESO ISS PBL34 START 98.859
HIERARCH ESO ISS PBL34 END 98.798
HIERARCH ESO ISS PBLA34 START 47.106
HIERARCH ESO ISS PBLA34 END 47.118
HIERARCH ESO ISS AMBI TAU0 START 0.00343
HIERARCH ESO ISS AMBI TAU0 END 0.00343
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56