Exposure
ID
PIONI.2025-01-04T04:14:53.254_1
Header ID
PIONI.2025-01-04T04:14:53.254
Date updated
2025-01-04 04:20:34 UTC+0000
Release date
2026-01-04 04:20:34 UTC+0000
UTC Start
2025-01-04 04:14:53.254
UTC End
2025-01-04 04:15:18.854
MJD Start
60679.1770052491
MJD End
60679.177301545395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003829
Ambient temperature (°C)
12.04
Seeing (arcsec)
1.12
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 35.1040 35.1560 128.9000 128.9000
A0-J2 97.4500 97.5690 45.7000 45.8000
A0-J6 168.4830 168.4860 354.8020 354.8890
B5-J2 99.6040 99.6460 25.2000 25.3000
B5-J6 194.5530 194.5760 347.3600 347.4290
J2-J6 131.0170 131.1500 319.5640 319.5960
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 60679.1770052491
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 35.104
HIERARCH ESO ISS PBL12 END 35.156
HIERARCH ESO ISS PBLA12 START 128.9
HIERARCH ESO ISS PBLA12 END 128.9
HIERARCH ESO ISS PBL13 START 97.45
HIERARCH ESO ISS PBL13 END 97.569
HIERARCH ESO ISS PBLA13 START 45.7
HIERARCH ESO ISS PBLA13 END 45.8
HIERARCH ESO ISS PBL14 START 168.483
HIERARCH ESO ISS PBL14 END 168.486
HIERARCH ESO ISS PBLA14 START 354.802
HIERARCH ESO ISS PBLA14 END 354.889
HIERARCH ESO ISS PBL23 START 99.604
HIERARCH ESO ISS PBL23 END 99.646
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 25.3
HIERARCH ESO ISS PBL24 START 194.553
HIERARCH ESO ISS PBL24 END 194.576
HIERARCH ESO ISS PBLA24 START 347.36
HIERARCH ESO ISS PBLA24 END 347.429
HIERARCH ESO ISS PBL34 START 131.017
HIERARCH ESO ISS PBL34 END 131.15
HIERARCH ESO ISS PBLA34 START 319.564
HIERARCH ESO ISS PBLA34 END 319.596
HIERARCH ESO ISS AMBI TAU0 START 0.003829
HIERARCH ESO ISS AMBI TAU0 END 0.003829
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 1.12