Exposure
ID
PIONI.2025-01-02T06:56:44.831_1
Header ID
PIONI.2025-01-02T06:56:44.831
Date updated
2025-01-02 07:00:40 UTC+0000
Release date
2026-01-02 07:00:40 UTC+0000
UTC Start
2025-01-02 06:56:44.832
UTC End
2025-01-02 06:57:10.432
MJD Start
60677.2894077748
MJD End
60677.289704071096
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009432
Ambient temperature (°C)
13.86
Seeing (arcsec)
0.51
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 44.6730 44.6970 141.4000 141.5000
A0-J2 124.4770 124.5430 79.2000 79.3000
A0-J6 167.2180 167.2020 16.8200 16.9020
B5-J2 110.9160 110.9410 58.3000 58.5000
B5-J6 196.0590 196.0490 6.0100 6.0820
J2-J6 155.4550 155.5140 331.6220 331.6820
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 60677.2894077748
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 44.673
HIERARCH ESO ISS PBL12 END 44.697
HIERARCH ESO ISS PBLA12 START 141.4
HIERARCH ESO ISS PBLA12 END 141.5
HIERARCH ESO ISS PBL13 START 124.477
HIERARCH ESO ISS PBL13 END 124.543
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.3
HIERARCH ESO ISS PBL14 START 167.218
HIERARCH ESO ISS PBL14 END 167.202
HIERARCH ESO ISS PBLA14 START 16.82
HIERARCH ESO ISS PBLA14 END 16.902
HIERARCH ESO ISS PBL23 START 110.916
HIERARCH ESO ISS PBL23 END 110.941
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 196.059
HIERARCH ESO ISS PBL24 END 196.049
HIERARCH ESO ISS PBLA24 START 6.01
HIERARCH ESO ISS PBLA24 END 6.082
HIERARCH ESO ISS PBL34 START 155.455
HIERARCH ESO ISS PBL34 END 155.514
HIERARCH ESO ISS PBLA34 START 331.622
HIERARCH ESO ISS PBLA34 END 331.682
HIERARCH ESO ISS AMBI TAU0 START 0.009432
HIERARCH ESO ISS AMBI TAU0 END 0.009432
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51