Exposure
ID
PIONI.2025-03-21T01:18:21.135_1
Header ID
PIONI.2025-03-21T01:18:21.135
Date updated
2025-03-21 01:25:44 UTC+0000
Release date
2026-03-21 01:25:44 UTC+0000
UTC Start
2025-03-21 01:18:21.135
UTC End
2025-03-21 01:18:59.535
MJD Start
60755.054411279
MJD End
60755.05485572344
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007444
Ambient temperature (°C)
16.7
Seeing (arcsec)
0.6
Observation
ID
65725
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
48898
Name
HIP22081
RA
71.238653
DEC
-63.22973
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 90.4720 90.4700 160.0000 160.2000
A0-J2 121.4580 121.4180 145.5000 145.8000
A0-K0 103.6390 103.5450 128.6010 128.8260
G1-J2 40.7470 40.6850 111.8000 112.0000
G1-K0 54.1010 53.9930 67.8810 68.0170
J2-K0 37.5500 37.5340 19.0870 19.1980
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 60755.054411279
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP22081
RA 71.238653
DEC -63.22973
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.472
HIERARCH ESO ISS PBL12 END 90.47
HIERARCH ESO ISS PBLA12 START 160.0
HIERARCH ESO ISS PBLA12 END 160.2
HIERARCH ESO ISS PBL13 START 121.458
HIERARCH ESO ISS PBL13 END 121.418
HIERARCH ESO ISS PBLA13 START 145.5
HIERARCH ESO ISS PBLA13 END 145.8
HIERARCH ESO ISS PBL14 START 103.639
HIERARCH ESO ISS PBL14 END 103.545
HIERARCH ESO ISS PBLA14 START 128.601
HIERARCH ESO ISS PBLA14 END 128.826
HIERARCH ESO ISS PBL23 START 40.747
HIERARCH ESO ISS PBL23 END 40.685
HIERARCH ESO ISS PBLA23 START 111.8
HIERARCH ESO ISS PBLA23 END 112.0
HIERARCH ESO ISS PBL24 START 54.101
HIERARCH ESO ISS PBL24 END 53.993
HIERARCH ESO ISS PBLA24 START 67.881
HIERARCH ESO ISS PBLA24 END 68.017
HIERARCH ESO ISS PBL34 START 37.55
HIERARCH ESO ISS PBL34 END 37.534
HIERARCH ESO ISS PBLA34 START 19.087
HIERARCH ESO ISS PBLA34 END 19.198
HIERARCH ESO ISS AMBI TAU0 START 0.007444
HIERARCH ESO ISS AMBI TAU0 END 0.007444
HIERARCH ESO ISS AMBI TEMP 16.7
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6