Exposure
ID
PIONI.2025-06-01T02:22:24.080_1
Header ID
PIONI.2025-06-01T02:22:24.080
Date updated
2025-06-01 02:29:11 UTC+0000
Release date
2025-06-01 02:22:24 UTC+0000
UTC Start
2025-06-01 02:22:24.081
UTC End
2025-06-01 02:22:49.681
MJD Start
60827.0988898231
MJD End
60827.0991861194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0076690000000000005
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.5
Observation
ID
67663
Category
calibrator
Program ID
115.285P.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
50316
Name
HD167549
RA
274.18041
DEC
-24.00981
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 41.2480 41.2890 138.9000 138.9000
A0-J2 78.3860 78.5990 59.8000 59.9000
A0-J6 166.7100 166.7030 354.1430 354.2300
B5-J2 81.3730 81.4650 29.9000 30.1000
B5-J6 201.8020 201.7990 347.3690 347.4340
J2-J6 152.1920 152.2860 326.1650 326.1730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.0988898231
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD167549
RA 274.18041
DEC -24.00981
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
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 41.248
HIERARCH ESO ISS PBL12 END 41.289
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 138.9
HIERARCH ESO ISS PBL13 START 78.386
HIERARCH ESO ISS PBL13 END 78.599
HIERARCH ESO ISS PBLA13 START 59.8
HIERARCH ESO ISS PBLA13 END 59.9
HIERARCH ESO ISS PBL14 START 166.71
HIERARCH ESO ISS PBL14 END 166.703
HIERARCH ESO ISS PBLA14 START 354.143
HIERARCH ESO ISS PBLA14 END 354.23
HIERARCH ESO ISS PBL23 START 81.373
HIERARCH ESO ISS PBL23 END 81.465
HIERARCH ESO ISS PBLA23 START 29.9
HIERARCH ESO ISS PBLA23 END 30.1
HIERARCH ESO ISS PBL24 START 201.802
HIERARCH ESO ISS PBL24 END 201.799
HIERARCH ESO ISS PBLA24 START 347.369
HIERARCH ESO ISS PBLA24 END 347.434
HIERARCH ESO ISS PBL34 START 152.192
HIERARCH ESO ISS PBL34 END 152.286
HIERARCH ESO ISS PBLA34 START 326.165
HIERARCH ESO ISS PBLA34 END 326.173
HIERARCH ESO ISS AMBI TAU0 START 0.006962
HIERARCH ESO ISS AMBI TAU0 END 0.008376
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47