Exposure
ID
PIONI.2025-01-02T03:55:43.601_1
Header ID
PIONI.2025-01-02T03:55:43.601
Date updated
2025-01-02 04:00:47 UTC+0000
Release date
2026-01-02 04:00:47 UTC+0000
UTC Start
2025-01-02 03:55:43.600
UTC End
2025-01-02 03:56:09.200
MJD Start
60677.1636990751
MJD End
60677.1639953714
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009029
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.6
Observation
ID
63061
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
46976
Name
HIP50234
RA
153.836075
DEC
-36.51767
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 35.3110 35.3630 131.9000 131.9000
A0-J2 87.3950 87.5330 43.3000 43.5000
A0-J6 169.5680 169.5700 351.9720 352.0570
B5-J2 93.4400 93.4870 21.1000 21.3000
B5-J6 197.8870 197.9080 345.3730 345.4400
J2-J6 133.6700 133.8040 321.2890 321.3070
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 60677.1636990751
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP50234
RA 153.836075
DEC -36.51767
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 35.311
HIERARCH ESO ISS PBL12 END 35.363
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 87.395
HIERARCH ESO ISS PBL13 END 87.533
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.5
HIERARCH ESO ISS PBL14 START 169.568
HIERARCH ESO ISS PBL14 END 169.57
HIERARCH ESO ISS PBLA14 START 351.972
HIERARCH ESO ISS PBLA14 END 352.057
HIERARCH ESO ISS PBL23 START 93.44
HIERARCH ESO ISS PBL23 END 93.487
HIERARCH ESO ISS PBLA23 START 21.1
HIERARCH ESO ISS PBLA23 END 21.3
HIERARCH ESO ISS PBL24 START 197.887
HIERARCH ESO ISS PBL24 END 197.908
HIERARCH ESO ISS PBLA24 START 345.373
HIERARCH ESO ISS PBLA24 END 345.44
HIERARCH ESO ISS PBL34 START 133.67
HIERARCH ESO ISS PBL34 END 133.804
HIERARCH ESO ISS PBLA34 START 321.289
HIERARCH ESO ISS PBLA34 END 321.307
HIERARCH ESO ISS AMBI TAU0 START 0.009029
HIERARCH ESO ISS AMBI TAU0 END 0.009029
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6