Exposure
ID
PIONI.2025-03-27T23:52:07.641_1
Header ID
PIONI.2025-03-27T23:52:07.641
Date updated
2025-03-27 23:55:52 UTC+0000
Release date
2026-03-27 23:55:51 UTC+0000
UTC Start
2025-03-27 23:52:07.640
UTC End
2025-03-27 23:52:33.240
MJD Start
60761.9945328753
MJD End
60761.9948291716
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 57.4070 57.3270 290.6000 290.7000
K0-D0 80.1300 80.0100 266.0000 266.1000
K0-J3 55.8820 55.8790 352.1090 352.1970
G2-D0 36.7610 36.7350 225.5000 225.5000
G2-J3 57.9480 57.8950 52.6530 52.6800
D0-J3 94.5320 94.4520 49.8610 49.8860
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 60761.9945328753
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 57.407
HIERARCH ESO ISS PBL12 END 57.327
HIERARCH ESO ISS PBLA12 START 290.6
HIERARCH ESO ISS PBLA12 END 290.7
HIERARCH ESO ISS PBL13 START 80.13
HIERARCH ESO ISS PBL13 END 80.01
HIERARCH ESO ISS PBLA13 START 266.0
HIERARCH ESO ISS PBLA13 END 266.1
HIERARCH ESO ISS PBL14 START 55.882
HIERARCH ESO ISS PBL14 END 55.879
HIERARCH ESO ISS PBLA14 START 352.109
HIERARCH ESO ISS PBLA14 END 352.197
HIERARCH ESO ISS PBL23 START 36.761
HIERARCH ESO ISS PBL23 END 36.735
HIERARCH ESO ISS PBLA23 START 225.5
HIERARCH ESO ISS PBLA23 END 225.5
HIERARCH ESO ISS PBL24 START 57.948
HIERARCH ESO ISS PBL24 END 57.895
HIERARCH ESO ISS PBLA24 START 52.653
HIERARCH ESO ISS PBLA24 END 52.68
HIERARCH ESO ISS PBL34 START 94.532
HIERARCH ESO ISS PBL34 END 94.452
HIERARCH ESO ISS PBLA34 START 49.861
HIERARCH ESO ISS PBLA34 END 49.886
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