Exposure
ID
PIONI.2025-03-27T23:53:22.635_1
Header ID
PIONI.2025-03-27T23:53:22.635
Date updated
2025-03-28 00:00:59 UTC+0000
Release date
2026-03-28 00:00:59 UTC+0000
UTC Start
2025-03-27 23:53:22.635
UTC End
2025-03-27 23:53:48.235
MJD Start
60761.9954008651
MJD End
60761.995697161394
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005184
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.44
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 57.2380 57.1560 290.8000 290.9000
K0-D0 79.8710 79.7490 266.1000 266.2000
K0-J3 55.8760 55.8740 352.2920 352.3760
G2-D0 36.7060 36.6800 225.5000 225.5000
G2-J3 57.8370 57.7850 52.7090 52.7340
D0-J3 94.3660 94.2880 49.9150 49.9390
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 60761.9954008651
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 57.238
HIERARCH ESO ISS PBL12 END 57.156
HIERARCH ESO ISS PBLA12 START 290.8
HIERARCH ESO ISS PBLA12 END 290.9
HIERARCH ESO ISS PBL13 START 79.871
HIERARCH ESO ISS PBL13 END 79.749
HIERARCH ESO ISS PBLA13 START 266.1
HIERARCH ESO ISS PBLA13 END 266.2
HIERARCH ESO ISS PBL14 START 55.876
HIERARCH ESO ISS PBL14 END 55.874
HIERARCH ESO ISS PBLA14 START 352.292
HIERARCH ESO ISS PBLA14 END 352.376
HIERARCH ESO ISS PBL23 START 36.706
HIERARCH ESO ISS PBL23 END 36.68
HIERARCH ESO ISS PBLA23 START 225.5
HIERARCH ESO ISS PBLA23 END 225.5
HIERARCH ESO ISS PBL24 START 57.837
HIERARCH ESO ISS PBL24 END 57.785
HIERARCH ESO ISS PBLA24 START 52.709
HIERARCH ESO ISS PBLA24 END 52.734
HIERARCH ESO ISS PBL34 START 94.366
HIERARCH ESO ISS PBL34 END 94.288
HIERARCH ESO ISS PBLA34 START 49.915
HIERARCH ESO ISS PBLA34 END 49.939
HIERARCH ESO ISS AMBI TAU0 START 0.005184
HIERARCH ESO ISS AMBI TAU0 END 0.005184
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44