Exposure
ID
PIONI.2025-05-24T09:19:20.209_1
Header ID
PIONI.2025-05-24T09:19:20.209
Date updated
2025-05-24 09:25:52 UTC+0000
Release date
2025-05-24 09:19:20 UTC+0000
UTC Start
2025-05-24 09:19:20.209
UTC End
2025-05-24 09:19:45.809
MJD Start
60819.3884283486
MJD End
60819.388724644894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003782
Ambient temperature (°C)
11.89
Seeing (arcsec)
0.64
Observation
ID
67559
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
50248
Name
HD169022
RA
276.042722
DEC
-34.38532
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 60.3650 60.3010 293.4000 293.5000
K0-D0 81.6760 81.5660 270.1000 270.2000
K0-J3 56.5600 56.5600 350.8820 350.9680
G2-D0 35.5270 35.4980 227.7000 227.8000
G2-J3 56.2980 56.2420 55.5550 55.6010
D0-J3 91.6220 91.5360 52.5270 52.5710
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 60819.3884283486
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD169022
RA 276.042722
DEC -34.38532
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 60.365
HIERARCH ESO ISS PBL12 END 60.301
HIERARCH ESO ISS PBLA12 START 293.4
HIERARCH ESO ISS PBLA12 END 293.5
HIERARCH ESO ISS PBL13 START 81.676
HIERARCH ESO ISS PBL13 END 81.566
HIERARCH ESO ISS PBLA13 START 270.1
HIERARCH ESO ISS PBLA13 END 270.2
HIERARCH ESO ISS PBL14 START 56.56
HIERARCH ESO ISS PBL14 END 56.56
HIERARCH ESO ISS PBLA14 START 350.882
HIERARCH ESO ISS PBLA14 END 350.968
HIERARCH ESO ISS PBL23 START 35.527
HIERARCH ESO ISS PBL23 END 35.498
HIERARCH ESO ISS PBLA23 START 227.7
HIERARCH ESO ISS PBLA23 END 227.8
HIERARCH ESO ISS PBL24 START 56.298
HIERARCH ESO ISS PBL24 END 56.242
HIERARCH ESO ISS PBLA24 START 55.555
HIERARCH ESO ISS PBLA24 END 55.601
HIERARCH ESO ISS PBL34 START 91.622
HIERARCH ESO ISS PBL34 END 91.536
HIERARCH ESO ISS PBLA34 START 52.527
HIERARCH ESO ISS PBLA34 END 52.571
HIERARCH ESO ISS AMBI TAU0 START 0.003782
HIERARCH ESO ISS AMBI TAU0 END 0.003782
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64