Exposure
ID
PIONI.2025-05-31T03:38:38.441_1
Header ID
PIONI.2025-05-31T03:38:38.441
Date updated
2025-05-31 03:46:02 UTC+0000
Release date
2025-05-31 03:38:38 UTC+0000
UTC Start
2025-05-31 03:38:38.441
UTC End
2025-05-31 03:39:04.041
MJD Start
60826.1518338104
MJD End
60826.1521301067
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010555
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.3
Observation
ID
67667
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
50320
Name
HD168390
RA
274.863155
DEC
-1.27499
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 48.5560 48.5610 143.1000 143.1000
A0-J2 97.7270 97.9550 92.3000 92.3000
A0-J6 141.3120 141.3350 5.1780 5.2840
B5-J2 76.8850 77.0800 63.0000 63.1000
B5-J6 180.3100 180.2880 354.7820 354.8630
J2-J6 167.7080 167.6950 329.5940 329.6050
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 60826.1518338104
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD168390
RA 274.863155
DEC -1.27499
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 48.556
HIERARCH ESO ISS PBL12 END 48.561
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 97.727
HIERARCH ESO ISS PBL13 END 97.955
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 141.312
HIERARCH ESO ISS PBL14 END 141.335
HIERARCH ESO ISS PBLA14 START 5.178
HIERARCH ESO ISS PBLA14 END 5.284
HIERARCH ESO ISS PBL23 START 76.885
HIERARCH ESO ISS PBL23 END 77.08
HIERARCH ESO ISS PBLA23 START 63.0
HIERARCH ESO ISS PBLA23 END 63.1
HIERARCH ESO ISS PBL24 START 180.31
HIERARCH ESO ISS PBL24 END 180.288
HIERARCH ESO ISS PBLA24 START 354.782
HIERARCH ESO ISS PBLA24 END 354.863
HIERARCH ESO ISS PBL34 START 167.708
HIERARCH ESO ISS PBL34 END 167.695
HIERARCH ESO ISS PBLA34 START 329.594
HIERARCH ESO ISS PBLA34 END 329.605
HIERARCH ESO ISS AMBI TAU0 START 0.010555
HIERARCH ESO ISS AMBI TAU0 END 0.010555
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3