Exposure
ID
PIONI.2025-05-31T03:48:23.870_1
Header ID
PIONI.2025-05-31T03:48:23.870
Date updated
2025-05-31 03:56:10 UTC+0000
Release date
2025-05-31 03:48:23 UTC+0000
UTC Start
2025-05-31 03:48:23.871
UTC End
2025-05-31 03:48:49.471
MJD Start
60826.1586096142
MJD End
60826.158905910495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011146
Ambient temperature (°C)
15.4
Seeing (arcsec)
0.28
Observation
ID
67668
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
50321
Name
HD169267
RA
275.998646
DEC
-2.47159
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 48.5470 48.5520 143.0000 143.0000
A0-J2 99.5790 99.7940 91.3000 91.3000
A0-J6 143.4310 143.4560 5.9900 6.0910
B5-J2 79.2800 79.4640 62.6000 62.6000
B5-J6 181.9870 181.9690 355.5160 355.5950
J2-J6 167.7650 167.7540 329.7280 329.7410
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 60826.1586096142
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD169267
RA 275.998646
DEC -2.47159
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 48.547
HIERARCH ESO ISS PBL12 END 48.552
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 99.579
HIERARCH ESO ISS PBL13 END 99.794
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 143.431
HIERARCH ESO ISS PBL14 END 143.456
HIERARCH ESO ISS PBLA14 START 5.99
HIERARCH ESO ISS PBLA14 END 6.091
HIERARCH ESO ISS PBL23 START 79.28
HIERARCH ESO ISS PBL23 END 79.464
HIERARCH ESO ISS PBLA23 START 62.6
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 181.987
HIERARCH ESO ISS PBL24 END 181.969
HIERARCH ESO ISS PBLA24 START 355.516
HIERARCH ESO ISS PBLA24 END 355.595
HIERARCH ESO ISS PBL34 START 167.765
HIERARCH ESO ISS PBL34 END 167.754
HIERARCH ESO ISS PBLA34 START 329.728
HIERARCH ESO ISS PBLA34 END 329.741
HIERARCH ESO ISS AMBI TAU0 START 0.011146
HIERARCH ESO ISS AMBI TAU0 END 0.011146
HIERARCH ESO ISS AMBI TEMP 15.4
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.28