Exposure
ID
PIONI.2025-07-21T05:10:44.647_1
Header ID
PIONI.2025-07-21T05:10:44.647
Date updated
2025-07-21 05:15:46 UTC+0000
Release date
2026-07-21 05:15:46 UTC+0000
UTC Start
2025-07-21 05:10:44.647
UTC End
2025-07-21 05:11:10.247
MJD Start
60877.2157945237
MJD End
60877.216090819995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007717
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.45
Observation
ID
68889
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
51252
Name
HIP111600
RA
339.146077
DEC
-31.66402
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 78.6480 78.7460 100.9000 101.0000
A0-J2 113.9130 114.0450 74.4000 74.5000
A0-K0 118.3170 118.4020 51.0860 51.1980
G1-J2 55.9170 55.9380 35.5000 35.6000
G1-K0 90.3960 90.3970 9.4440 9.5280
J2-K0 47.0820 47.0920 337.9940 338.0420
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 60877.2157945237
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP111600
RA 339.146077
DEC -31.66402
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 78.648
HIERARCH ESO ISS PBL12 END 78.746
HIERARCH ESO ISS PBLA12 START 100.9
HIERARCH ESO ISS PBLA12 END 101.0
HIERARCH ESO ISS PBL13 START 113.913
HIERARCH ESO ISS PBL13 END 114.045
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.5
HIERARCH ESO ISS PBL14 START 118.317
HIERARCH ESO ISS PBL14 END 118.402
HIERARCH ESO ISS PBLA14 START 51.086
HIERARCH ESO ISS PBLA14 END 51.198
HIERARCH ESO ISS PBL23 START 55.917
HIERARCH ESO ISS PBL23 END 55.938
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 90.396
HIERARCH ESO ISS PBL24 END 90.397
HIERARCH ESO ISS PBLA24 START 9.444
HIERARCH ESO ISS PBLA24 END 9.528
HIERARCH ESO ISS PBL34 START 47.082
HIERARCH ESO ISS PBL34 END 47.092
HIERARCH ESO ISS PBLA34 START 337.994
HIERARCH ESO ISS PBLA34 END 338.042
HIERARCH ESO ISS AMBI TAU0 START 0.007717
HIERARCH ESO ISS AMBI TAU0 END 0.007717
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45