Exposure
ID
PIONI.2025-05-23T09:59:04.894_1
Header ID
PIONI.2025-05-23T09:59:04.894
Date updated
2025-05-23 10:11:24 UTC+0000
Release date
2026-05-23 10:11:23 UTC+0000
UTC Start
2025-05-23 09:59:04.894
UTC End
2025-05-23 09:59:30.494
MJD Start
60818.4160288675
MJD End
60818.416325163795
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0045045
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.52
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 58.3840 58.3000 285.9000 286.0000
K0-D0 83.2680 83.1530 262.0000 262.1000
K0-J3 55.1360 55.1310 349.9940 350.0810
G2-D0 38.0830 38.0620 223.7000 223.7000
G2-J3 60.3020 60.2590 50.5640 50.5860
D0-J3 98.2180 98.1540 47.9120 47.9340
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 60818.4160288675
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 58.384
HIERARCH ESO ISS PBL12 END 58.3
HIERARCH ESO ISS PBLA12 START 285.9
HIERARCH ESO ISS PBLA12 END 286.0
HIERARCH ESO ISS PBL13 START 83.268
HIERARCH ESO ISS PBL13 END 83.153
HIERARCH ESO ISS PBLA13 START 262.0
HIERARCH ESO ISS PBLA13 END 262.1
HIERARCH ESO ISS PBL14 START 55.136
HIERARCH ESO ISS PBL14 END 55.131
HIERARCH ESO ISS PBLA14 START 349.994
HIERARCH ESO ISS PBLA14 END 350.081
HIERARCH ESO ISS PBL23 START 38.083
HIERARCH ESO ISS PBL23 END 38.062
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 60.302
HIERARCH ESO ISS PBL24 END 60.259
HIERARCH ESO ISS PBLA24 START 50.564
HIERARCH ESO ISS PBLA24 END 50.586
HIERARCH ESO ISS PBL34 START 98.218
HIERARCH ESO ISS PBL34 END 98.154
HIERARCH ESO ISS PBLA34 START 47.912
HIERARCH ESO ISS PBLA34 END 47.934
HIERARCH ESO ISS AMBI TAU0 START 0.00478
HIERARCH ESO ISS AMBI TAU0 END 0.004229
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.55