Exposure
ID
PIONI.2025-03-30T09:23:21.882_1
Header ID
PIONI.2025-03-30T09:23:21.882
Date updated
2025-03-30 09:30:59 UTC+0000
Release date
2026-03-30 09:30:59 UTC+0000
UTC Start
2025-03-30 09:23:21.882
UTC End
2025-03-30 09:23:47.482
MJD Start
60764.3912254889
MJD End
60764.3915217852
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008424
Ambient temperature (°C)
13.66
Seeing (arcsec)
0.5
Observation
ID
65972
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
49110
Name
HIP88635
RA
271.451716
DEC
-30.42524
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 66.9280 66.9590 264.7000 264.8000
K0-D0 94.8490 94.8790 244.0000 244.1000
K0-J3 55.5370 55.5500 327.4010 327.4560
G2-D0 39.9790 39.9800 207.8000 207.9000
G2-J3 64.4310 64.4350 34.7460 34.8270
D0-J3 104.2280 104.2320 32.0780 32.1580
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 60764.3912254889
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP88635
RA 271.451716
DEC -30.42524
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 66.928
HIERARCH ESO ISS PBL12 END 66.959
HIERARCH ESO ISS PBLA12 START 264.7
HIERARCH ESO ISS PBLA12 END 264.8
HIERARCH ESO ISS PBL13 START 94.849
HIERARCH ESO ISS PBL13 END 94.879
HIERARCH ESO ISS PBLA13 START 244.0
HIERARCH ESO ISS PBLA13 END 244.1
HIERARCH ESO ISS PBL14 START 55.537
HIERARCH ESO ISS PBL14 END 55.55
HIERARCH ESO ISS PBLA14 START 327.401
HIERARCH ESO ISS PBLA14 END 327.456
HIERARCH ESO ISS PBL23 START 39.979
HIERARCH ESO ISS PBL23 END 39.98
HIERARCH ESO ISS PBLA23 START 207.8
HIERARCH ESO ISS PBLA23 END 207.9
HIERARCH ESO ISS PBL24 START 64.431
HIERARCH ESO ISS PBL24 END 64.435
HIERARCH ESO ISS PBLA24 START 34.746
HIERARCH ESO ISS PBLA24 END 34.827
HIERARCH ESO ISS PBL34 START 104.228
HIERARCH ESO ISS PBL34 END 104.232
HIERARCH ESO ISS PBLA34 START 32.078
HIERARCH ESO ISS PBLA34 END 32.158
HIERARCH ESO ISS AMBI TAU0 START 0.008424
HIERARCH ESO ISS AMBI TAU0 END 0.008424
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5