Exposure
ID
PIONI.2025-03-23T04:58:57.502_1
Header ID
PIONI.2025-03-23T04:58:57.502
Date updated
2025-03-23 05:05:53 UTC+0000
Release date
2026-03-23 05:05:53 UTC+0000
UTC Start
2025-03-23 04:58:57.502
UTC End
2025-03-23 04:59:23.102
MJD Start
60757.2076099799
MJD End
60757.2079062762
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004806
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.52
Observation
ID
65825
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
48986
Name
HIP52689
RA
161.603449
DEC
14.19428
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 72.0760 71.9440 109.0000 109.0000
A0-J2 117.7110 117.5750 86.4000 86.4000
A0-K0 126.1010 126.0490 69.3600 69.3140
G1-J2 58.2120 58.2150 58.0000 57.9000
G1-K0 84.2970 84.3460 36.2680 36.2770
J2-K0 37.0830 37.0840 0.8060 0.8940
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 60757.2076099799
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP52689
RA 161.603449
DEC 14.19428
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 72.076
HIERARCH ESO ISS PBL12 END 71.944
HIERARCH ESO ISS PBLA12 START 109.0
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 117.711
HIERARCH ESO ISS PBL13 END 117.575
HIERARCH ESO ISS PBLA13 START 86.4
HIERARCH ESO ISS PBLA13 END 86.4
HIERARCH ESO ISS PBL14 START 126.101
HIERARCH ESO ISS PBL14 END 126.049
HIERARCH ESO ISS PBLA14 START 69.36
HIERARCH ESO ISS PBLA14 END 69.314
HIERARCH ESO ISS PBL23 START 58.212
HIERARCH ESO ISS PBL23 END 58.215
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 84.297
HIERARCH ESO ISS PBL24 END 84.346
HIERARCH ESO ISS PBLA24 START 36.268
HIERARCH ESO ISS PBLA24 END 36.277
HIERARCH ESO ISS PBL34 START 37.083
HIERARCH ESO ISS PBL34 END 37.084
HIERARCH ESO ISS PBLA34 START 0.806
HIERARCH ESO ISS PBLA34 END 0.894
HIERARCH ESO ISS AMBI TAU0 START 0.004806
HIERARCH ESO ISS AMBI TAU0 END 0.004806
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52