Exposure
ID
PIONI.2025-07-22T07:22:55.056_1
Header ID
PIONI.2025-07-22T07:22:55.056
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 07:22:55.056
UTC End
2025-07-22 07:23:20.656
MJD Start
60878.3075816715
MJD End
60878.307877967796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00867
Ambient temperature (°C)
14.16
Seeing (arcsec)
0.4
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 89.6870 89.7150 112.5000 112.5000
A0-J2 125.3750 125.4550 89.8000 89.8000
A0-K0 121.7300 121.8240 67.4530 67.5010
G1-J2 54.9780 55.0160 50.7000 50.7000
G1-K0 86.2540 86.2780 20.0520 20.1260
J2-K0 47.9610 47.9550 344.3360 344.3900
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 60878.3075816715
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 89.687
HIERARCH ESO ISS PBL12 END 89.715
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 125.375
HIERARCH ESO ISS PBL13 END 125.455
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 121.73
HIERARCH ESO ISS PBL14 END 121.824
HIERARCH ESO ISS PBLA14 START 67.453
HIERARCH ESO ISS PBLA14 END 67.501
HIERARCH ESO ISS PBL23 START 54.978
HIERARCH ESO ISS PBL23 END 55.016
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 86.254
HIERARCH ESO ISS PBL24 END 86.278
HIERARCH ESO ISS PBLA24 START 20.052
HIERARCH ESO ISS PBLA24 END 20.126
HIERARCH ESO ISS PBL34 START 47.961
HIERARCH ESO ISS PBL34 END 47.955
HIERARCH ESO ISS PBLA34 START 344.336
HIERARCH ESO ISS PBLA34 END 344.39
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 0.4