Exposure
ID
PIONI.2025-03-30T09:09:17.405_1
Header ID
PIONI.2025-03-30T09:09:17.405
Date updated
2025-03-30 09:15:58 UTC+0000
Release date
2026-03-30 09:15:58 UTC+0000
UTC Start
2025-03-30 09:09:17.405
UTC End
2025-03-30 09:09:43.005
MJD Start
60764.3814514484
MJD End
60764.381747744694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004857
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.91
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 66.1030 66.1420 262.9000 262.9000
K0-D0 94.0480 94.0860 242.0000 242.1000
K0-J3 55.2020 55.2170 326.1480 326.2000
G2-D0 39.9480 39.9500 205.9000 206.0000
G2-J3 64.3100 64.3170 32.8010 32.8860
D0-J3 104.0800 104.0880 30.1590 30.2420
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 60764.3814514484
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 66.103
HIERARCH ESO ISS PBL12 END 66.142
HIERARCH ESO ISS PBLA12 START 262.9
HIERARCH ESO ISS PBLA12 END 262.9
HIERARCH ESO ISS PBL13 START 94.048
HIERARCH ESO ISS PBL13 END 94.086
HIERARCH ESO ISS PBLA13 START 242.0
HIERARCH ESO ISS PBLA13 END 242.1
HIERARCH ESO ISS PBL14 START 55.202
HIERARCH ESO ISS PBL14 END 55.217
HIERARCH ESO ISS PBLA14 START 326.148
HIERARCH ESO ISS PBLA14 END 326.2
HIERARCH ESO ISS PBL23 START 39.948
HIERARCH ESO ISS PBL23 END 39.95
HIERARCH ESO ISS PBLA23 START 205.9
HIERARCH ESO ISS PBLA23 END 206.0
HIERARCH ESO ISS PBL24 START 64.31
HIERARCH ESO ISS PBL24 END 64.317
HIERARCH ESO ISS PBLA24 START 32.801
HIERARCH ESO ISS PBLA24 END 32.886
HIERARCH ESO ISS PBL34 START 104.08
HIERARCH ESO ISS PBL34 END 104.088
HIERARCH ESO ISS PBLA34 START 30.159
HIERARCH ESO ISS PBLA34 END 30.242
HIERARCH ESO ISS AMBI TAU0 START 0.004857
HIERARCH ESO ISS AMBI TAU0 END 0.004857
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91