Exposure
ID
PIONI.2025-01-02T03:54:28.883_1
Header ID
PIONI.2025-01-02T03:54:28.883
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 03:54:28.883
UTC End
2025-01-02 03:54:54.483
MJD Start
60677.1628342923
MJD End
60677.1631305886
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006587000000000001
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.685
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 35.2010 35.2540 131.8000 131.9000
A0-J2 87.1100 87.2460 42.9000 43.1000
A0-J6 169.5640 169.5660 351.7940 351.8790
B5-J2 93.3440 93.3900 20.7000 20.9000
B5-J6 197.8420 197.8640 345.2350 345.3010
J2-J6 133.3900 133.5250 321.2510 321.2680
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 60677.1628342923
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 35.201
HIERARCH ESO ISS PBL12 END 35.254
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 87.11
HIERARCH ESO ISS PBL13 END 87.246
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 169.564
HIERARCH ESO ISS PBL14 END 169.566
HIERARCH ESO ISS PBLA14 START 351.794
HIERARCH ESO ISS PBLA14 END 351.879
HIERARCH ESO ISS PBL23 START 93.344
HIERARCH ESO ISS PBL23 END 93.39
HIERARCH ESO ISS PBLA23 START 20.7
HIERARCH ESO ISS PBLA23 END 20.9
HIERARCH ESO ISS PBL24 START 197.842
HIERARCH ESO ISS PBL24 END 197.864
HIERARCH ESO ISS PBLA24 START 345.235
HIERARCH ESO ISS PBLA24 END 345.301
HIERARCH ESO ISS PBL34 START 133.39
HIERARCH ESO ISS PBL34 END 133.525
HIERARCH ESO ISS PBLA34 START 321.251
HIERARCH ESO ISS PBLA34 END 321.268
HIERARCH ESO ISS AMBI TAU0 START 0.00534
HIERARCH ESO ISS AMBI TAU0 END 0.007834
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.58