Exposure
ID
PIONI.2025-03-29T00:31:53.947_1
Header ID
PIONI.2025-03-29T00:31:53.947
Date updated
2025-03-29 00:40:59 UTC+0000
Release date
2026-03-29 00:40:59 UTC+0000
UTC Start
2025-03-29 00:31:53.946
UTC End
2025-03-29 00:32:19.546
MJD Start
60763.0221521561
MJD End
60763.0224484524
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006926
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.77
Observation
ID
65933
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
49080
Name
HIP42911
RA
131.171137
DEC
18.15303
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 67.9910 68.0080 273.4000 273.4000
K0-D0 90.4830 90.5610 257.6000 257.6000
K0-J3 47.4000 47.3540 323.4720 323.5000
G2-D0 31.1790 31.2200 221.1000 221.2000
G2-J3 52.2460 52.3170 49.3810 49.4020
D0-J3 83.2230 83.3360 46.2980 46.3260
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 60763.0221521561
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP42911
RA 131.171137
DEC 18.15303
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 67.991
HIERARCH ESO ISS PBL12 END 68.008
HIERARCH ESO ISS PBLA12 START 273.4
HIERARCH ESO ISS PBLA12 END 273.4
HIERARCH ESO ISS PBL13 START 90.483
HIERARCH ESO ISS PBL13 END 90.561
HIERARCH ESO ISS PBLA13 START 257.6
HIERARCH ESO ISS PBLA13 END 257.6
HIERARCH ESO ISS PBL14 START 47.4
HIERARCH ESO ISS PBL14 END 47.354
HIERARCH ESO ISS PBLA14 START 323.472
HIERARCH ESO ISS PBLA14 END 323.5
HIERARCH ESO ISS PBL23 START 31.179
HIERARCH ESO ISS PBL23 END 31.22
HIERARCH ESO ISS PBLA23 START 221.1
HIERARCH ESO ISS PBLA23 END 221.2
HIERARCH ESO ISS PBL24 START 52.246
HIERARCH ESO ISS PBL24 END 52.317
HIERARCH ESO ISS PBLA24 START 49.381
HIERARCH ESO ISS PBLA24 END 49.402
HIERARCH ESO ISS PBL34 START 83.223
HIERARCH ESO ISS PBL34 END 83.336
HIERARCH ESO ISS PBLA34 START 46.298
HIERARCH ESO ISS PBLA34 END 46.326
HIERARCH ESO ISS AMBI TAU0 START 0.006926
HIERARCH ESO ISS AMBI TAU0 END 0.006926
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77