Exposure
ID
PIONI.2025-07-22T09:49:16.315_1
Header ID
PIONI.2025-07-22T09:49:16.315
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 09:49:16.315
UTC End
2025-07-22 09:49:41.915
MJD Start
60878.409216614
MJD End
60878.4095129103
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0049155
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 71.2310 71.0970 109.9000 109.9000
A0-J2 116.3670 116.2230 86.6000 86.6000
A0-K0 125.4150 125.3540 69.1530 69.1090
G1-J2 58.2280 58.2270 57.6000 57.6000
G1-K0 85.2470 85.2930 36.0950 36.1030
J2-K0 37.7260 37.7280 1.5760 1.6620
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 60878.409216614
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 71.231
HIERARCH ESO ISS PBL12 END 71.097
HIERARCH ESO ISS PBLA12 START 109.9
HIERARCH ESO ISS PBLA12 END 109.9
HIERARCH ESO ISS PBL13 START 116.367
HIERARCH ESO ISS PBL13 END 116.223
HIERARCH ESO ISS PBLA13 START 86.6
HIERARCH ESO ISS PBLA13 END 86.6
HIERARCH ESO ISS PBL14 START 125.415
HIERARCH ESO ISS PBL14 END 125.354
HIERARCH ESO ISS PBLA14 START 69.153
HIERARCH ESO ISS PBLA14 END 69.109
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 85.247
HIERARCH ESO ISS PBL24 END 85.293
HIERARCH ESO ISS PBLA24 START 36.095
HIERARCH ESO ISS PBLA24 END 36.103
HIERARCH ESO ISS PBL34 START 37.726
HIERARCH ESO ISS PBL34 END 37.728
HIERARCH ESO ISS PBLA34 START 1.576
HIERARCH ESO ISS PBLA34 END 1.662
HIERARCH ESO ISS AMBI TAU0 START 0.004649
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