Exposure
ID
PIONI.2025-03-23T04:57:42.360_1
Header ID
PIONI.2025-03-23T04:57:42.360
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 04:57:42.360
UTC End
2025-03-23 04:58:07.960
MJD Start
60757.2067402778
MJD End
60757.207036574095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004806
Ambient temperature (°C)
14.36
Seeing (arcsec)
0.54
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 72.3490 72.2180 109.0000 109.0000
A0-J2 117.9920 117.8570 86.5000 86.4000
A0-K0 126.2080 126.1570 69.4490 69.4040
G1-J2 58.2050 58.2090 58.0000 58.0000
G1-K0 84.1930 84.2430 36.2440 36.2530
J2-K0 37.0810 37.0820 0.6200 0.7070
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 60757.2067402778
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 72.349
HIERARCH ESO ISS PBL12 END 72.218
HIERARCH ESO ISS PBLA12 START 109.0
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 117.992
HIERARCH ESO ISS PBL13 END 117.857
HIERARCH ESO ISS PBLA13 START 86.5
HIERARCH ESO ISS PBLA13 END 86.4
HIERARCH ESO ISS PBL14 START 126.208
HIERARCH ESO ISS PBL14 END 126.157
HIERARCH ESO ISS PBLA14 START 69.449
HIERARCH ESO ISS PBLA14 END 69.404
HIERARCH ESO ISS PBL23 START 58.205
HIERARCH ESO ISS PBL23 END 58.209
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 84.193
HIERARCH ESO ISS PBL24 END 84.243
HIERARCH ESO ISS PBLA24 START 36.244
HIERARCH ESO ISS PBLA24 END 36.253
HIERARCH ESO ISS PBL34 START 37.081
HIERARCH ESO ISS PBL34 END 37.082
HIERARCH ESO ISS PBLA34 START 0.62
HIERARCH ESO ISS PBLA34 END 0.707
HIERARCH ESO ISS AMBI TAU0 START 0.004806
HIERARCH ESO ISS AMBI TAU0 END 0.004806
HIERARCH ESO ISS AMBI TEMP 14.36
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54