Exposure
ID
PIONI.2025-07-21T03:04:45.306_1
Header ID
PIONI.2025-07-21T03:04:45.306
Date updated
2025-07-21 03:15:46 UTC+0000
Release date
2025-07-21 03:04:45 UTC+0000
UTC Start
2025-07-21 03:04:45.306
UTC End
2025-07-21 03:05:10.906
MJD Start
60877.1283021476
MJD End
60877.128598443895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002602
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.76
Observation
ID
68882
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
51246
Name
HD145912
RA
243.212907
DEC
19.10152
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 62.7820 62.6240 104.5000 104.5000
A0-J2 110.1270 109.9600 81.0000 81.0000
A0-K0 123.5690 123.4930 65.3750 65.3090
G1-J2 58.1780 58.1730 55.6000 55.5000
G1-K0 84.6820 84.7300 37.4880 37.4810
J2-K0 34.4840 34.4930 5.9050 5.9970
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 60877.1283021476
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD145912
RA 243.212907
DEC 19.10152
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 62.782
HIERARCH ESO ISS PBL12 END 62.624
HIERARCH ESO ISS PBLA12 START 104.5
HIERARCH ESO ISS PBLA12 END 104.5
HIERARCH ESO ISS PBL13 START 110.127
HIERARCH ESO ISS PBL13 END 109.96
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 123.569
HIERARCH ESO ISS PBL14 END 123.493
HIERARCH ESO ISS PBLA14 START 65.375
HIERARCH ESO ISS PBLA14 END 65.309
HIERARCH ESO ISS PBL23 START 58.178
HIERARCH ESO ISS PBL23 END 58.173
HIERARCH ESO ISS PBLA23 START 55.6
HIERARCH ESO ISS PBLA23 END 55.5
HIERARCH ESO ISS PBL24 START 84.682
HIERARCH ESO ISS PBL24 END 84.73
HIERARCH ESO ISS PBLA24 START 37.488
HIERARCH ESO ISS PBLA24 END 37.481
HIERARCH ESO ISS PBL34 START 34.484
HIERARCH ESO ISS PBL34 END 34.493
HIERARCH ESO ISS PBLA34 START 5.905
HIERARCH ESO ISS PBLA34 END 5.997
HIERARCH ESO ISS AMBI TAU0 START 0.002602
HIERARCH ESO ISS AMBI TAU0 END 0.002602
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76