Exposure
ID
PIONI.2025-01-02T06:11:05.862_1
Header ID
PIONI.2025-01-02T06:11:05.862
Date updated
2025-01-02 06:20:43 UTC+0000
Release date
2026-01-02 06:20:42 UTC+0000
UTC Start
2025-01-02 06:11:05.862
UTC End
2025-01-02 06:11:31.462
MJD Start
60677.2577067371
MJD End
60677.2580030334
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008877
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.52
Observation
ID
63068
Category
science
Program ID
114.27B2.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
46983
Name
HIP55249
RA
169.728236
DEC
1.65009
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.5630 48.5680 143.4000 143.4000
A0-J2 92.6760 92.9110 95.1000 95.0000
A0-J6 136.1720 136.1850 2.8660 2.9730
B5-J2 70.4600 70.6650 64.0000 64.1000
B5-J6 176.3780 176.3460 352.7860 352.8650
J2-J6 167.5980 167.5830 329.3290 329.3340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27B2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60677.2577067371
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP55249
RA 169.728236
DEC 1.65009
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.563
HIERARCH ESO ISS PBL12 END 48.568
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 92.676
HIERARCH ESO ISS PBL13 END 92.911
HIERARCH ESO ISS PBLA13 START 95.1
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 136.172
HIERARCH ESO ISS PBL14 END 136.185
HIERARCH ESO ISS PBLA14 START 2.866
HIERARCH ESO ISS PBLA14 END 2.973
HIERARCH ESO ISS PBL23 START 70.46
HIERARCH ESO ISS PBL23 END 70.665
HIERARCH ESO ISS PBLA23 START 64.0
HIERARCH ESO ISS PBLA23 END 64.1
HIERARCH ESO ISS PBL24 START 176.378
HIERARCH ESO ISS PBL24 END 176.346
HIERARCH ESO ISS PBLA24 START 352.786
HIERARCH ESO ISS PBLA24 END 352.865
HIERARCH ESO ISS PBL34 START 167.598
HIERARCH ESO ISS PBL34 END 167.583
HIERARCH ESO ISS PBLA34 START 329.329
HIERARCH ESO ISS PBLA34 END 329.334
HIERARCH ESO ISS AMBI TAU0 START 0.008877
HIERARCH ESO ISS AMBI TAU0 END 0.008877
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52