Exposure
ID
PIONI.2025-01-02T03:55:06.271_1
Header ID
PIONI.2025-01-02T03:55:06.271
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 03:55:06.271
UTC End
2025-01-02 03:55:31.871
MJD Start
60677.1632670206
MJD End
60677.1635633169
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008431500000000001
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.59
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 35.2560 35.3080 131.9000 131.9000
A0-J2 87.2500 87.3880 43.1000 43.3000
A0-J6 169.5660 169.5680 351.8820 351.9670
B5-J2 93.3910 93.4380 20.9000 21.1000
B5-J6 197.8640 197.8860 345.3040 345.3700
J2-J6 133.5280 133.6630 321.2700 321.2880
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 60677.1632670206
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 35.256
HIERARCH ESO ISS PBL12 END 35.308
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 87.25
HIERARCH ESO ISS PBL13 END 87.388
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 169.566
HIERARCH ESO ISS PBL14 END 169.568
HIERARCH ESO ISS PBLA14 START 351.882
HIERARCH ESO ISS PBLA14 END 351.967
HIERARCH ESO ISS PBL23 START 93.391
HIERARCH ESO ISS PBL23 END 93.438
HIERARCH ESO ISS PBLA23 START 20.9
HIERARCH ESO ISS PBLA23 END 21.1
HIERARCH ESO ISS PBL24 START 197.864
HIERARCH ESO ISS PBL24 END 197.886
HIERARCH ESO ISS PBLA24 START 345.304
HIERARCH ESO ISS PBLA24 END 345.37
HIERARCH ESO ISS PBL34 START 133.528
HIERARCH ESO ISS PBL34 END 133.663
HIERARCH ESO ISS PBLA34 START 321.27
HIERARCH ESO ISS PBLA34 END 321.288
HIERARCH ESO ISS AMBI TAU0 START 0.007834
HIERARCH ESO ISS AMBI TAU0 END 0.009029
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.6