Exposure
ID
PIONI.2025-03-23T05:37:15.703_1
Header ID
PIONI.2025-03-23T05:37:15.703
Date updated
2025-03-23 05:45:47 UTC+0000
Release date
2026-03-23 05:45:47 UTC+0000
UTC Start
2025-03-23 05:37:15.703
UTC End
2025-03-23 05:37:41.303
MJD Start
60757.234209524
MJD End
60757.2345058203
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004915
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.53
Observation
ID
65827
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
48988
Name
HIP80000
RA
244.956961
DEC
-50.1558
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 66.6950 66.7940 75.2000 75.3000
A0-J2 110.4290 110.5140 49.6000 49.7000
A0-K0 122.2790 122.3120 31.2940 31.4350
G1-J2 57.9240 57.9270 19.8000 19.9000
G1-K0 87.4030 87.4040 359.3810 359.4770
J2-K0 38.7900 38.8170 328.0020 328.0610
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 60757.234209524
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP80000
RA 244.956961
DEC -50.1558
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 66.695
HIERARCH ESO ISS PBL12 END 66.794
HIERARCH ESO ISS PBLA12 START 75.2
HIERARCH ESO ISS PBLA12 END 75.3
HIERARCH ESO ISS PBL13 START 110.429
HIERARCH ESO ISS PBL13 END 110.514
HIERARCH ESO ISS PBLA13 START 49.6
HIERARCH ESO ISS PBLA13 END 49.7
HIERARCH ESO ISS PBL14 START 122.279
HIERARCH ESO ISS PBL14 END 122.312
HIERARCH ESO ISS PBLA14 START 31.294
HIERARCH ESO ISS PBLA14 END 31.435
HIERARCH ESO ISS PBL23 START 57.924
HIERARCH ESO ISS PBL23 END 57.927
HIERARCH ESO ISS PBLA23 START 19.8
HIERARCH ESO ISS PBLA23 END 19.9
HIERARCH ESO ISS PBL24 START 87.403
HIERARCH ESO ISS PBL24 END 87.404
HIERARCH ESO ISS PBLA24 START 359.381
HIERARCH ESO ISS PBLA24 END 359.477
HIERARCH ESO ISS PBL34 START 38.79
HIERARCH ESO ISS PBL34 END 38.817
HIERARCH ESO ISS PBLA34 START 328.002
HIERARCH ESO ISS PBLA34 END 328.061
HIERARCH ESO ISS AMBI TAU0 START 0.004915
HIERARCH ESO ISS AMBI TAU0 END 0.004915
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53