Exposure
ID
PIONI.2025-03-01T03:53:15.678_1
Header ID
PIONI.2025-03-01T03:53:15.678
Date updated
2025-03-01 04:00:45 UTC+0000
Release date
2025-03-01 03:53:15 UTC+0000
UTC Start
2025-03-01 03:53:15.677
UTC End
2025-03-01 03:53:41.277
MJD Start
60735.1619870076
MJD End
60735.1622833039
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007092
Ambient temperature (°C)
14.63
Seeing (arcsec)
0.63
Observation
ID
64887
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
48320
Name
HD109251
RA
188.411195
DEC
-44.18403
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 71.8720 71.9750 87.4000 87.5000
A0-J2 112.3010 112.4060 61.0000 61.2000
A0-K0 121.4540 121.5030 40.5450 40.6770
G1-J2 57.5380 57.5460 27.4000 27.5000
G1-K0 89.2880 89.2860 4.5990 4.6880
J2-K0 42.5390 42.5590 333.0180 333.0730
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 60735.1619870076
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD109251
RA 188.411195
DEC -44.18403
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 71.872
HIERARCH ESO ISS PBL12 END 71.975
HIERARCH ESO ISS PBLA12 START 87.4
HIERARCH ESO ISS PBLA12 END 87.5
HIERARCH ESO ISS PBL13 START 112.301
HIERARCH ESO ISS PBL13 END 112.406
HIERARCH ESO ISS PBLA13 START 61.0
HIERARCH ESO ISS PBLA13 END 61.2
HIERARCH ESO ISS PBL14 START 121.454
HIERARCH ESO ISS PBL14 END 121.503
HIERARCH ESO ISS PBLA14 START 40.545
HIERARCH ESO ISS PBLA14 END 40.677
HIERARCH ESO ISS PBL23 START 57.538
HIERARCH ESO ISS PBL23 END 57.546
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 27.5
HIERARCH ESO ISS PBL24 START 89.288
HIERARCH ESO ISS PBL24 END 89.286
HIERARCH ESO ISS PBLA24 START 4.599
HIERARCH ESO ISS PBLA24 END 4.688
HIERARCH ESO ISS PBL34 START 42.539
HIERARCH ESO ISS PBL34 END 42.559
HIERARCH ESO ISS PBLA34 START 333.018
HIERARCH ESO ISS PBLA34 END 333.073
HIERARCH ESO ISS AMBI TAU0 START 0.007092
HIERARCH ESO ISS AMBI TAU0 END 0.007092
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63