Exposure
ID
PIONI.2025-03-27T23:34:06.144_1
Header ID
PIONI.2025-03-27T23:34:06.144
Date updated
2025-03-27 23:40:49 UTC+0000
Release date
2026-03-27 23:40:49 UTC+0000
UTC Start
2025-03-27 23:34:06.143
UTC End
2025-03-27 23:34:31.743
MJD Start
60761.9820155455
MJD End
60761.9823118418
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001118
Ambient temperature (°C)
14.57
Seeing (arcsec)
1.97
Observation
ID
65908
Category
science
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
49061
Name
HIP23430
RA
75.541458
DEC
-26.27545
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 59.7550 59.6800 287.8000 287.9000
K0-D0 83.6520 83.5410 264.2000 264.3000
K0-J3 55.9770 55.9740 349.5070 349.5920
G2-D0 37.5020 37.4790 224.6000 224.6000
G2-J3 59.4410 59.3950 51.7840 51.8150
D0-J3 96.7630 96.6940 49.0050 49.0360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60761.9820155455
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP23430
RA 75.541458
DEC -26.27545
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 59.755
HIERARCH ESO ISS PBL12 END 59.68
HIERARCH ESO ISS PBLA12 START 287.8
HIERARCH ESO ISS PBLA12 END 287.9
HIERARCH ESO ISS PBL13 START 83.652
HIERARCH ESO ISS PBL13 END 83.541
HIERARCH ESO ISS PBLA13 START 264.2
HIERARCH ESO ISS PBLA13 END 264.3
HIERARCH ESO ISS PBL14 START 55.977
HIERARCH ESO ISS PBL14 END 55.974
HIERARCH ESO ISS PBLA14 START 349.507
HIERARCH ESO ISS PBLA14 END 349.592
HIERARCH ESO ISS PBL23 START 37.502
HIERARCH ESO ISS PBL23 END 37.479
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.6
HIERARCH ESO ISS PBL24 START 59.441
HIERARCH ESO ISS PBL24 END 59.395
HIERARCH ESO ISS PBLA24 START 51.784
HIERARCH ESO ISS PBLA24 END 51.815
HIERARCH ESO ISS PBL34 START 96.763
HIERARCH ESO ISS PBL34 END 96.694
HIERARCH ESO ISS PBLA34 START 49.005
HIERARCH ESO ISS PBLA34 END 49.036
HIERARCH ESO ISS AMBI TAU0 START 0.001118
HIERARCH ESO ISS AMBI TAU0 END 0.001118
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 1.97
HIERARCH ESO ISS AMBI FWHM END 1.97