Exposure
ID
PIONI.2025-07-22T09:48:38.692_1
Header ID
PIONI.2025-07-22T09:48:38.692
Date updated
2025-07-22 09:55:42 UTC+0000
Release date
2026-07-22 09:55:41 UTC+0000
UTC Start
2025-07-22 09:48:38.693
UTC End
2025-07-22 09:49:04.293
MJD Start
60878.4087811643
MJD End
60878.409077460594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004407
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.59
Observation
ID
68919
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
51282
Name
HIP115919
RA
352.287958
DEC
12.76071
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 71.3730 71.2390 109.9000 109.9000
A0-J2 116.5180 116.3750 86.6000 86.6000
A0-K0 125.4790 125.4180 69.1990 69.1550
G1-J2 58.2290 58.2280 57.7000 57.6000
G1-K0 85.1990 85.2440 36.0850 36.0940
J2-K0 37.7230 37.7250 1.4860 1.5720
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 60878.4087811643
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP115919
RA 352.287958
DEC 12.76071
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 71.373
HIERARCH ESO ISS PBL12 END 71.239
HIERARCH ESO ISS PBLA12 START 109.9
HIERARCH ESO ISS PBLA12 END 109.9
HIERARCH ESO ISS PBL13 START 116.518
HIERARCH ESO ISS PBL13 END 116.375
HIERARCH ESO ISS PBLA13 START 86.6
HIERARCH ESO ISS PBLA13 END 86.6
HIERARCH ESO ISS PBL14 START 125.479
HIERARCH ESO ISS PBL14 END 125.418
HIERARCH ESO ISS PBLA14 START 69.199
HIERARCH ESO ISS PBLA14 END 69.155
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.228
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 85.199
HIERARCH ESO ISS PBL24 END 85.244
HIERARCH ESO ISS PBLA24 START 36.085
HIERARCH ESO ISS PBLA24 END 36.094
HIERARCH ESO ISS PBL34 START 37.723
HIERARCH ESO ISS PBL34 END 37.725
HIERARCH ESO ISS PBLA34 START 1.486
HIERARCH ESO ISS PBLA34 END 1.572
HIERARCH ESO ISS AMBI TAU0 START 0.004165
HIERARCH ESO ISS AMBI TAU0 END 0.004649
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.49