Exposure
ID
PIONI.2025-03-31T07:59:57.236_1
Header ID
PIONI.2025-03-31T07:59:57.236
Date updated
2025-03-31 08:05:45 UTC+0000
Release date
2025-03-31 07:59:57 UTC+0000
UTC Start
2025-03-31 07:59:57.235
UTC End
2025-03-31 08:00:22.835
MJD Start
60765.3333013365
MJD End
60765.333597632794
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008988
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.39
Observation
ID
65980
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
49118
Name
HD149934
RA
249.6447
DEC
-18.82576
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 67.1590 67.1900 267.8000 267.9000
K0-D0 93.8770 93.9220 246.9000 247.0000
K0-J3 56.5630 56.5630 328.6580 328.7060
G2-D0 39.3190 39.3280 209.3000 209.4000
G2-J3 63.2870 63.3060 36.5500 36.6210
D0-J3 102.4130 102.4400 33.7740 33.8450
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 60765.3333013365
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD149934
RA 249.6447
DEC -18.82576
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 67.159
HIERARCH ESO ISS PBL12 END 67.19
HIERARCH ESO ISS PBLA12 START 267.8
HIERARCH ESO ISS PBLA12 END 267.9
HIERARCH ESO ISS PBL13 START 93.877
HIERARCH ESO ISS PBL13 END 93.922
HIERARCH ESO ISS PBLA13 START 246.9
HIERARCH ESO ISS PBLA13 END 247.0
HIERARCH ESO ISS PBL14 START 56.563
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 328.658
HIERARCH ESO ISS PBLA14 END 328.706
HIERARCH ESO ISS PBL23 START 39.319
HIERARCH ESO ISS PBL23 END 39.328
HIERARCH ESO ISS PBLA23 START 209.3
HIERARCH ESO ISS PBLA23 END 209.4
HIERARCH ESO ISS PBL24 START 63.287
HIERARCH ESO ISS PBL24 END 63.306
HIERARCH ESO ISS PBLA24 START 36.55
HIERARCH ESO ISS PBLA24 END 36.621
HIERARCH ESO ISS PBL34 START 102.413
HIERARCH ESO ISS PBL34 END 102.44
HIERARCH ESO ISS PBLA34 START 33.774
HIERARCH ESO ISS PBLA34 END 33.845
HIERARCH ESO ISS AMBI TAU0 START 0.008988
HIERARCH ESO ISS AMBI TAU0 END 0.008988
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.4