Exposure
ID
PIONI.2025-03-27T23:51:30.110_1
Header ID
PIONI.2025-03-27T23:51:30.110
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 23:51:30.110
UTC End
2025-03-27 23:51:55.710
MJD Start
60761.9940984915
MJD End
60761.9943947878
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005025
Ambient temperature (°C)
14.53
Seeing (arcsec)
0.51
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 57.4930 57.4110 290.5000 290.6000
K0-D0 80.2610 80.1370 265.9000 266.0000
K0-J3 55.8850 55.8820 352.0170 352.1040
G2-D0 36.7890 36.7630 225.4000 225.5000
G2-J3 58.0040 57.9510 52.6250 52.6520
D0-J3 94.6150 94.5360 49.8330 49.8590
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 60761.9940984915
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 57.493
HIERARCH ESO ISS PBL12 END 57.411
HIERARCH ESO ISS PBLA12 START 290.5
HIERARCH ESO ISS PBLA12 END 290.6
HIERARCH ESO ISS PBL13 START 80.261
HIERARCH ESO ISS PBL13 END 80.137
HIERARCH ESO ISS PBLA13 START 265.9
HIERARCH ESO ISS PBLA13 END 266.0
HIERARCH ESO ISS PBL14 START 55.885
HIERARCH ESO ISS PBL14 END 55.882
HIERARCH ESO ISS PBLA14 START 352.017
HIERARCH ESO ISS PBLA14 END 352.104
HIERARCH ESO ISS PBL23 START 36.789
HIERARCH ESO ISS PBL23 END 36.763
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.5
HIERARCH ESO ISS PBL24 START 58.004
HIERARCH ESO ISS PBL24 END 57.951
HIERARCH ESO ISS PBLA24 START 52.625
HIERARCH ESO ISS PBLA24 END 52.652
HIERARCH ESO ISS PBL34 START 94.615
HIERARCH ESO ISS PBL34 END 94.536
HIERARCH ESO ISS PBLA34 START 49.833
HIERARCH ESO ISS PBLA34 END 49.859
HIERARCH ESO ISS AMBI TAU0 START 0.005025
HIERARCH ESO ISS AMBI TAU0 END 0.005025
HIERARCH ESO ISS AMBI TEMP 14.53
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51