Exposure
ID
PIONI.2025-07-22T07:23:32.777_1
Header ID
PIONI.2025-07-22T07:23:32.777
Date updated
2025-07-22 07:30:52 UTC+0000
Release date
2026-07-22 07:30:52 UTC+0000
UTC Start
2025-07-22 07:23:32.777
UTC End
2025-07-22 07:23:58.377
MJD Start
60878.3080182537
MJD End
60878.30831455
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00867
Ambient temperature (°C)
14.16
Seeing (arcsec)
0.405
Observation
ID
68913
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
51276
Name
HIP116853
RA
355.286401
DEC
-11.68063
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 89.7170 89.7450 112.5000 112.6000
A0-J2 125.4600 125.5390 89.8000 89.8000
A0-K0 121.8290 121.9220 67.5040 67.5520
G1-J2 55.0180 55.0560 50.7000 50.8000
G1-K0 86.2790 86.3030 20.1300 20.2040
J2-K0 47.9550 47.9490 344.3930 344.4470
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 60878.3080182537
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP116853
RA 355.286401
DEC -11.68063
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 89.717
HIERARCH ESO ISS PBL12 END 89.745
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 125.46
HIERARCH ESO ISS PBL13 END 125.539
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 121.829
HIERARCH ESO ISS PBL14 END 121.922
HIERARCH ESO ISS PBLA14 START 67.504
HIERARCH ESO ISS PBLA14 END 67.552
HIERARCH ESO ISS PBL23 START 55.018
HIERARCH ESO ISS PBL23 END 55.056
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 86.279
HIERARCH ESO ISS PBL24 END 86.303
HIERARCH ESO ISS PBLA24 START 20.13
HIERARCH ESO ISS PBLA24 END 20.204
HIERARCH ESO ISS PBL34 START 47.955
HIERARCH ESO ISS PBL34 END 47.949
HIERARCH ESO ISS PBLA34 START 344.393
HIERARCH ESO ISS PBLA34 END 344.447
HIERARCH ESO ISS AMBI TAU0 START 0.00867
HIERARCH ESO ISS AMBI TAU0 END 0.00867
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41