Exposure
ID
PIONI.2025-01-01T07:20:32.957_1
Header ID
PIONI.2025-01-01T07:20:32.957
Date updated
2025-01-01 07:25:45 UTC+0000
Release date
2026-01-01 07:25:45 UTC+0000
UTC Start
2025-01-01 07:20:32.957
UTC End
2025-01-01 07:20:58.557
MJD Start
60676.3059370038
MJD End
60676.3062333001
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0043005000000000005
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.78
Observation
ID
63044
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
46959
Name
HIP52660
RA
161.523065
DEC
6.37298
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 47.0090 46.9900 143.4000 143.4000
A0-J2 121.9750 122.0860 94.9000 94.9000
A0-J6 136.7490 136.8390 20.0460 20.1330
B5-J2 97.4030 97.5410 73.7000 73.8000
B5-J6 167.2790 167.3120 6.4730 6.5570
J2-J6 157.7240 157.6530 331.7540 331.7860
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 60676.3059370038
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP52660
RA 161.523065
DEC 6.37298
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 47.009
HIERARCH ESO ISS PBL12 END 46.99
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 121.975
HIERARCH ESO ISS PBL13 END 122.086
HIERARCH ESO ISS PBLA13 START 94.9
HIERARCH ESO ISS PBLA13 END 94.9
HIERARCH ESO ISS PBL14 START 136.749
HIERARCH ESO ISS PBL14 END 136.839
HIERARCH ESO ISS PBLA14 START 20.046
HIERARCH ESO ISS PBLA14 END 20.133
HIERARCH ESO ISS PBL23 START 97.403
HIERARCH ESO ISS PBL23 END 97.541
HIERARCH ESO ISS PBLA23 START 73.7
HIERARCH ESO ISS PBLA23 END 73.8
HIERARCH ESO ISS PBL24 START 167.279
HIERARCH ESO ISS PBL24 END 167.312
HIERARCH ESO ISS PBLA24 START 6.473
HIERARCH ESO ISS PBLA24 END 6.557
HIERARCH ESO ISS PBL34 START 157.724
HIERARCH ESO ISS PBL34 END 157.653
HIERARCH ESO ISS PBLA34 START 331.754
HIERARCH ESO ISS PBLA34 END 331.786
HIERARCH ESO ISS AMBI TAU0 START 0.004398
HIERARCH ESO ISS AMBI TAU0 END 0.004203
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.77