Exposure
ID
PIONI.2025-03-21T01:17:30.776_1
Header ID
PIONI.2025-03-21T01:17:30.776
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 01:17:30.776
UTC End
2025-03-21 01:18:09.176
MJD Start
60755.0538284276
MJD End
60755.05427287204
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008032
Ambient temperature (°C)
16.7
Seeing (arcsec)
0.55
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 90.4730 90.4720 159.9000 160.0000
A0-J2 121.4990 121.4590 145.3000 145.5000
A0-K0 103.7360 103.6410 128.3720 128.5970
G1-J2 40.8110 40.7480 111.5000 111.8000
G1-K0 54.2120 54.1030 67.7420 67.8780
J2-K0 37.5670 37.5500 18.9740 19.0850
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 60755.0538284276
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 90.473
HIERARCH ESO ISS PBL12 END 90.472
HIERARCH ESO ISS PBLA12 START 159.9
HIERARCH ESO ISS PBLA12 END 160.0
HIERARCH ESO ISS PBL13 START 121.499
HIERARCH ESO ISS PBL13 END 121.459
HIERARCH ESO ISS PBLA13 START 145.3
HIERARCH ESO ISS PBLA13 END 145.5
HIERARCH ESO ISS PBL14 START 103.736
HIERARCH ESO ISS PBL14 END 103.641
HIERARCH ESO ISS PBLA14 START 128.372
HIERARCH ESO ISS PBLA14 END 128.597
HIERARCH ESO ISS PBL23 START 40.811
HIERARCH ESO ISS PBL23 END 40.748
HIERARCH ESO ISS PBLA23 START 111.5
HIERARCH ESO ISS PBLA23 END 111.8
HIERARCH ESO ISS PBL24 START 54.212
HIERARCH ESO ISS PBL24 END 54.103
HIERARCH ESO ISS PBLA24 START 67.742
HIERARCH ESO ISS PBLA24 END 67.878
HIERARCH ESO ISS PBL34 START 37.567
HIERARCH ESO ISS PBL34 END 37.55
HIERARCH ESO ISS PBLA34 START 18.974
HIERARCH ESO ISS PBLA34 END 19.085
HIERARCH ESO ISS AMBI TAU0 START 0.008032
HIERARCH ESO ISS AMBI TAU0 END 0.008032
HIERARCH ESO ISS AMBI TEMP 16.7
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55