Exposure
ID
PIONI.2025-01-02T07:30:42.495_1
Header ID
PIONI.2025-01-02T07:30:42.495
Date updated
2025-01-02 07:40:47 UTC+0000
Release date
2026-01-02 07:40:47 UTC+0000
UTC Start
2025-01-02 07:30:42.495
UTC End
2025-01-02 07:31:08.095
MJD Start
60677.3129918412
MJD End
60677.3132881375
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011877
Ambient temperature (°C)
13.58
Seeing (arcsec)
0.49
Observation
ID
63076
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
46991
Name
HIP51077
RA
156.539492
DEC
-42.73871
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 45.4720 45.4920 144.4000 144.5000
A0-J2 127.3060 127.3480 84.2000 84.3000
A0-J6 165.5830 165.5580 20.9310 21.0100
B5-J2 111.8800 111.8880 63.6000 63.7000
B5-J6 194.4100 194.3920 9.6830 9.7550
J2-J6 157.1270 157.1760 334.5560 334.6210
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 60677.3129918412
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP51077
RA 156.539492
DEC -42.73871
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 45.472
HIERARCH ESO ISS PBL12 END 45.492
HIERARCH ESO ISS PBLA12 START 144.4
HIERARCH ESO ISS PBLA12 END 144.5
HIERARCH ESO ISS PBL13 START 127.306
HIERARCH ESO ISS PBL13 END 127.348
HIERARCH ESO ISS PBLA13 START 84.2
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 165.583
HIERARCH ESO ISS PBL14 END 165.558
HIERARCH ESO ISS PBLA14 START 20.931
HIERARCH ESO ISS PBLA14 END 21.01
HIERARCH ESO ISS PBL23 START 111.88
HIERARCH ESO ISS PBL23 END 111.888
HIERARCH ESO ISS PBLA23 START 63.6
HIERARCH ESO ISS PBLA23 END 63.7
HIERARCH ESO ISS PBL24 START 194.41
HIERARCH ESO ISS PBL24 END 194.392
HIERARCH ESO ISS PBLA24 START 9.683
HIERARCH ESO ISS PBLA24 END 9.755
HIERARCH ESO ISS PBL34 START 157.127
HIERARCH ESO ISS PBL34 END 157.176
HIERARCH ESO ISS PBLA34 START 334.556
HIERARCH ESO ISS PBLA34 END 334.621
HIERARCH ESO ISS AMBI TAU0 START 0.011877
HIERARCH ESO ISS AMBI TAU0 END 0.011877
HIERARCH ESO ISS AMBI TEMP 13.58
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49