Exposure
ID
PIONI.2025-07-22T07:37:55.951_1
Header ID
PIONI.2025-07-22T07:37:55.951
Date updated
2025-07-22 07:46:01 UTC+0000
Release date
2026-07-22 07:46:01 UTC+0000
UTC Start
2025-07-22 07:37:55.950
UTC End
2025-07-22 07:38:21.550
MJD Start
60878.3180086855
MJD End
60878.318304981796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007773
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.32
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 90.2500 90.2660 113.1000 113.1000
A0-J2 127.1320 127.1910 90.5000 90.6000
A0-K0 123.8700 123.9470 68.6050 68.6480
G1-J2 55.8730 55.9060 52.2000 52.2000
G1-K0 86.8600 86.8840 21.8490 21.9190
J2-K0 47.8180 47.8130 345.7210 345.7770
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 60878.3180086855
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 90.25
HIERARCH ESO ISS PBL12 END 90.266
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 127.132
HIERARCH ESO ISS PBL13 END 127.191
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 123.87
HIERARCH ESO ISS PBL14 END 123.947
HIERARCH ESO ISS PBLA14 START 68.605
HIERARCH ESO ISS PBLA14 END 68.648
HIERARCH ESO ISS PBL23 START 55.873
HIERARCH ESO ISS PBL23 END 55.906
HIERARCH ESO ISS PBLA23 START 52.2
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 86.86
HIERARCH ESO ISS PBL24 END 86.884
HIERARCH ESO ISS PBLA24 START 21.849
HIERARCH ESO ISS PBLA24 END 21.919
HIERARCH ESO ISS PBL34 START 47.818
HIERARCH ESO ISS PBL34 END 47.813
HIERARCH ESO ISS PBLA34 START 345.721
HIERARCH ESO ISS PBLA34 END 345.777
HIERARCH ESO ISS AMBI TAU0 START 0.007773
HIERARCH ESO ISS AMBI TAU0 END 0.007773
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32