Exposure
ID
PIONI.2025-05-23T09:43:47.394_1
Header ID
PIONI.2025-05-23T09:43:47.394
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 09:43:47.394
UTC End
2025-05-23 09:44:12.994
MJD Start
60818.4054096509
MJD End
60818.405705947196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003973
Ambient temperature (°C)
13.5
Seeing (arcsec)
0.565
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 60.4120 60.3360 284.0000 284.0000
K0-D0 86.0440 85.9410 260.9000 260.9000
K0-J3 55.2830 55.2770 347.7960 347.8820
G2-D0 38.5690 38.5510 223.1000 223.1000
G2-J3 61.3280 61.2910 49.9490 49.9760
D0-J3 99.7260 99.6710 47.2900 47.3160
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 60818.4054096509
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 60.412
HIERARCH ESO ISS PBL12 END 60.336
HIERARCH ESO ISS PBLA12 START 284.0
HIERARCH ESO ISS PBLA12 END 284.0
HIERARCH ESO ISS PBL13 START 86.044
HIERARCH ESO ISS PBL13 END 85.941
HIERARCH ESO ISS PBLA13 START 260.9
HIERARCH ESO ISS PBLA13 END 260.9
HIERARCH ESO ISS PBL14 START 55.283
HIERARCH ESO ISS PBL14 END 55.277
HIERARCH ESO ISS PBLA14 START 347.796
HIERARCH ESO ISS PBLA14 END 347.882
HIERARCH ESO ISS PBL23 START 38.569
HIERARCH ESO ISS PBL23 END 38.551
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 61.328
HIERARCH ESO ISS PBL24 END 61.291
HIERARCH ESO ISS PBLA24 START 49.949
HIERARCH ESO ISS PBLA24 END 49.976
HIERARCH ESO ISS PBL34 START 99.726
HIERARCH ESO ISS PBL34 END 99.671
HIERARCH ESO ISS PBLA34 START 47.29
HIERARCH ESO ISS PBLA34 END 47.316
HIERARCH ESO ISS AMBI TAU0 START 0.00409
HIERARCH ESO ISS AMBI TAU0 END 0.003856
HIERARCH ESO ISS AMBI TEMP 13.5
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.6