Exposure
ID
PIONI.2025-01-02T06:43:08.957_1
Header ID
PIONI.2025-01-02T06:43:08.957
Date updated
2025-01-02 06:50:56 UTC+0000
Release date
2026-01-02 06:50:56 UTC+0000
UTC Start
2025-01-02 06:43:08.957
UTC End
2025-01-02 06:43:34.557
MJD Start
60677.2799647758
MJD End
60677.2802610721
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009255
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.49
Observation
ID
63072
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46987
Name
HIP50799
RA
155.580655
DEC
-41.64963
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 44.1140 44.1400 140.0000 140.1000
A0-J2 122.8520 122.9280 76.8000 76.9000
A0-J6 167.5560 167.5430 14.9560 15.0390
B5-J2 110.2630 110.2940 55.9000 56.0000
B5-J6 196.2500 196.2430 4.3550 4.4290
J2-J6 154.0480 154.1130 330.2900 330.3480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60677.2799647758
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP50799
RA 155.580655
DEC -41.64963
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 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 44.114
HIERARCH ESO ISS PBL12 END 44.14
HIERARCH ESO ISS PBLA12 START 140.0
HIERARCH ESO ISS PBLA12 END 140.1
HIERARCH ESO ISS PBL13 START 122.852
HIERARCH ESO ISS PBL13 END 122.928
HIERARCH ESO ISS PBLA13 START 76.8
HIERARCH ESO ISS PBLA13 END 76.9
HIERARCH ESO ISS PBL14 START 167.556
HIERARCH ESO ISS PBL14 END 167.543
HIERARCH ESO ISS PBLA14 START 14.956
HIERARCH ESO ISS PBLA14 END 15.039
HIERARCH ESO ISS PBL23 START 110.263
HIERARCH ESO ISS PBL23 END 110.294
HIERARCH ESO ISS PBLA23 START 55.9
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 196.25
HIERARCH ESO ISS PBL24 END 196.243
HIERARCH ESO ISS PBLA24 START 4.355
HIERARCH ESO ISS PBLA24 END 4.429
HIERARCH ESO ISS PBL34 START 154.048
HIERARCH ESO ISS PBL34 END 154.113
HIERARCH ESO ISS PBLA34 START 330.29
HIERARCH ESO ISS PBLA34 END 330.348
HIERARCH ESO ISS AMBI TAU0 START 0.009237
HIERARCH ESO ISS AMBI TAU0 END 0.009273
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49