Exposure
ID
PIONI.2025-05-31T02:50:37.929_1
Header ID
PIONI.2025-05-31T02:50:37.929
Date updated
2025-05-31 02:56:43 UTC+0000
Release date
2025-05-31 02:50:37 UTC+0000
UTC Start
2025-05-31 02:50:37.929
UTC End
2025-05-31 02:51:03.529
MJD Start
60826.1184945484
MJD End
60826.118790844695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008491
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.29
Observation
ID
67661
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
50314
Name
HD165611
RA
271.927523
DEC
-21.86047
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 43.9550 43.9880 139.7000 139.7000
A0-J2 88.7430 88.9570 69.2000 69.3000
A0-J6 165.1030 165.1010 359.0130 359.1020
B5-J2 84.8560 84.9700 40.0000 40.2000
B5-J6 201.0530 201.0460 351.0550 351.1240
J2-J6 158.7970 158.8690 327.2930 327.3080
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 60826.1184945484
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD165611
RA 271.927523
DEC -21.86047
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 43.955
HIERARCH ESO ISS PBL12 END 43.988
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 139.7
HIERARCH ESO ISS PBL13 START 88.743
HIERARCH ESO ISS PBL13 END 88.957
HIERARCH ESO ISS PBLA13 START 69.2
HIERARCH ESO ISS PBLA13 END 69.3
HIERARCH ESO ISS PBL14 START 165.103
HIERARCH ESO ISS PBL14 END 165.101
HIERARCH ESO ISS PBLA14 START 359.013
HIERARCH ESO ISS PBLA14 END 359.102
HIERARCH ESO ISS PBL23 START 84.856
HIERARCH ESO ISS PBL23 END 84.97
HIERARCH ESO ISS PBLA23 START 40.0
HIERARCH ESO ISS PBLA23 END 40.2
HIERARCH ESO ISS PBL24 START 201.053
HIERARCH ESO ISS PBL24 END 201.046
HIERARCH ESO ISS PBLA24 START 351.055
HIERARCH ESO ISS PBLA24 END 351.124
HIERARCH ESO ISS PBL34 START 158.797
HIERARCH ESO ISS PBL34 END 158.869
HIERARCH ESO ISS PBLA34 START 327.293
HIERARCH ESO ISS PBLA34 END 327.308
HIERARCH ESO ISS AMBI TAU0 START 0.008491
HIERARCH ESO ISS AMBI TAU0 END 0.008491
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29