Exposure
ID
PIONI.2025-07-22T09:49:54.209_1
Header ID
PIONI.2025-07-22T09:49:54.209
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 09:49:54.209
UTC End
2025-07-22 09:50:19.809
MJD Start
60878.4096551957
MJD End
60878.409951491994
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005182
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.49
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 71.0890 70.9540 109.9000 109.9000
A0-J2 116.2150 116.0710 86.6000 86.5000
A0-K0 125.3500 125.2880 69.1060 69.0620
G1-J2 58.2270 58.2260 57.6000 57.6000
G1-K0 85.2950 85.3410 36.1040 36.1120
J2-K0 37.7280 37.7300 1.6670 1.7530
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 60878.4096551957
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 71.089
HIERARCH ESO ISS PBL12 END 70.954
HIERARCH ESO ISS PBLA12 START 109.9
HIERARCH ESO ISS PBLA12 END 109.9
HIERARCH ESO ISS PBL13 START 116.215
HIERARCH ESO ISS PBL13 END 116.071
HIERARCH ESO ISS PBLA13 START 86.6
HIERARCH ESO ISS PBLA13 END 86.5
HIERARCH ESO ISS PBL14 START 125.35
HIERARCH ESO ISS PBL14 END 125.288
HIERARCH ESO ISS PBLA14 START 69.106
HIERARCH ESO ISS PBLA14 END 69.062
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 85.295
HIERARCH ESO ISS PBL24 END 85.341
HIERARCH ESO ISS PBLA24 START 36.104
HIERARCH ESO ISS PBLA24 END 36.112
HIERARCH ESO ISS PBL34 START 37.728
HIERARCH ESO ISS PBL34 END 37.73
HIERARCH ESO ISS PBLA34 START 1.667
HIERARCH ESO ISS PBLA34 END 1.753
HIERARCH ESO ISS AMBI TAU0 START 0.005182
HIERARCH ESO ISS AMBI TAU0 END 0.005182
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49