Exposure
ID
PIONI.2025-03-27T23:34:43.676_1
Header ID
PIONI.2025-03-27T23:34:43.676
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 23:34:43.676
UTC End
2025-03-27 23:35:09.276
MJD Start
60761.9824499539
MJD End
60761.9827462502
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001118
Ambient temperature (°C)
14.59
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 59.6760 59.6020 287.9000 288.0000
K0-D0 83.5350 83.4240 264.3000 264.3000
K0-J3 55.9740 55.9700 349.5970 349.6830
G2-D0 37.4780 37.4550 224.6000 224.7000
G2-J3 59.3920 59.3460 51.8170 51.8480
D0-J3 96.6900 96.6200 49.0380 49.0690
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 60761.9824499539
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 59.676
HIERARCH ESO ISS PBL12 END 59.602
HIERARCH ESO ISS PBLA12 START 287.9
HIERARCH ESO ISS PBLA12 END 288.0
HIERARCH ESO ISS PBL13 START 83.535
HIERARCH ESO ISS PBL13 END 83.424
HIERARCH ESO ISS PBLA13 START 264.3
HIERARCH ESO ISS PBLA13 END 264.3
HIERARCH ESO ISS PBL14 START 55.974
HIERARCH ESO ISS PBL14 END 55.97
HIERARCH ESO ISS PBLA14 START 349.597
HIERARCH ESO ISS PBLA14 END 349.683
HIERARCH ESO ISS PBL23 START 37.478
HIERARCH ESO ISS PBL23 END 37.455
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.7
HIERARCH ESO ISS PBL24 START 59.392
HIERARCH ESO ISS PBL24 END 59.346
HIERARCH ESO ISS PBLA24 START 51.817
HIERARCH ESO ISS PBLA24 END 51.848
HIERARCH ESO ISS PBL34 START 96.69
HIERARCH ESO ISS PBL34 END 96.62
HIERARCH ESO ISS PBLA34 START 49.038
HIERARCH ESO ISS PBLA34 END 49.069
HIERARCH ESO ISS AMBI TAU0 START 0.001118
HIERARCH ESO ISS AMBI TAU0 END 0.001118
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 1.97
HIERARCH ESO ISS AMBI FWHM END 1.97