Exposure
ID
PIONI.2025-05-23T09:44:25.289_1
Header ID
PIONI.2025-05-23T09:44:25.289
Date updated
2025-05-23 09:51:03 UTC+0000
Release date
2026-05-23 09:51:02 UTC+0000
UTC Start
2025-05-23 09:44:25.289
UTC End
2025-05-23 09:44:50.889
MJD Start
60818.4058482498
MJD End
60818.4061445461
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003856
Ambient temperature (°C)
13.44
Seeing (arcsec)
0.6
Observation
ID
67549
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
50239
Name
HIP93683
RA
286.171229
DEC
-21.74183
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 60.3320 60.2560 284.0000 284.1000
K0-D0 85.9350 85.8320 260.9000 261.0000
K0-J3 55.2770 55.2710 347.8860 347.9720
G2-D0 38.5500 38.5320 223.1000 223.1000
G2-J3 61.2890 61.2510 49.9770 50.0030
D0-J3 99.6680 99.6130 47.3180 47.3440
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 60818.4058482498
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP93683
RA 286.171229
DEC -21.74183
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 60.332
HIERARCH ESO ISS PBL12 END 60.256
HIERARCH ESO ISS PBLA12 START 284.0
HIERARCH ESO ISS PBLA12 END 284.1
HIERARCH ESO ISS PBL13 START 85.935
HIERARCH ESO ISS PBL13 END 85.832
HIERARCH ESO ISS PBLA13 START 260.9
HIERARCH ESO ISS PBLA13 END 261.0
HIERARCH ESO ISS PBL14 START 55.277
HIERARCH ESO ISS PBL14 END 55.271
HIERARCH ESO ISS PBLA14 START 347.886
HIERARCH ESO ISS PBLA14 END 347.972
HIERARCH ESO ISS PBL23 START 38.55
HIERARCH ESO ISS PBL23 END 38.532
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 61.289
HIERARCH ESO ISS PBL24 END 61.251
HIERARCH ESO ISS PBLA24 START 49.977
HIERARCH ESO ISS PBLA24 END 50.003
HIERARCH ESO ISS PBL34 START 99.668
HIERARCH ESO ISS PBL34 END 99.613
HIERARCH ESO ISS PBLA34 START 47.318
HIERARCH ESO ISS PBLA34 END 47.344
HIERARCH ESO ISS AMBI TAU0 START 0.003856
HIERARCH ESO ISS AMBI TAU0 END 0.003856
HIERARCH ESO ISS AMBI TEMP 13.44
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6