Exposure
ID
PIONI.2025-03-21T01:52:06.637_1
Header ID
PIONI.2025-03-21T01:52:06.637
Date updated
2025-03-21 02:00:39 UTC+0000
Release date
2025-03-21 01:52:06 UTC+0000
UTC Start
2025-03-21 01:52:06.638
UTC End
2025-03-21 01:52:32.238
MJD Start
60755.0778546026
MJD End
60755.078150898895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0084265
Ambient temperature (°C)
17.3
Seeing (arcsec)
0.535
Observation
ID
65730
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
48903
Name
HD105138
RA
181.579886
DEC
-68.65141
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 75.1760 75.2200 66.4000 66.5000
A0-J2 123.5270 123.5540 48.5000 48.6000
A0-K0 127.9810 127.9810 34.5510 34.6910
G1-J2 56.8900 56.8850 24.5000 24.6000
G1-K0 75.3680 75.3660 2.8270 2.9310
J2-K0 30.8030 30.8260 319.7740 319.8630
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 60755.0778546026
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD105138
RA 181.579886
DEC -68.65141
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 75.176
HIERARCH ESO ISS PBL12 END 75.22
HIERARCH ESO ISS PBLA12 START 66.4
HIERARCH ESO ISS PBLA12 END 66.5
HIERARCH ESO ISS PBL13 START 123.527
HIERARCH ESO ISS PBL13 END 123.554
HIERARCH ESO ISS PBLA13 START 48.5
HIERARCH ESO ISS PBLA13 END 48.6
HIERARCH ESO ISS PBL14 START 127.981
HIERARCH ESO ISS PBL14 END 127.981
HIERARCH ESO ISS PBLA14 START 34.551
HIERARCH ESO ISS PBLA14 END 34.691
HIERARCH ESO ISS PBL23 START 56.89
HIERARCH ESO ISS PBL23 END 56.885
HIERARCH ESO ISS PBLA23 START 24.5
HIERARCH ESO ISS PBLA23 END 24.6
HIERARCH ESO ISS PBL24 START 75.368
HIERARCH ESO ISS PBL24 END 75.366
HIERARCH ESO ISS PBLA24 START 2.827
HIERARCH ESO ISS PBLA24 END 2.931
HIERARCH ESO ISS PBL34 START 30.803
HIERARCH ESO ISS PBL34 END 30.826
HIERARCH ESO ISS PBLA34 START 319.774
HIERARCH ESO ISS PBLA34 END 319.863
HIERARCH ESO ISS AMBI TAU0 START 0.008173
HIERARCH ESO ISS AMBI TAU0 END 0.00868
HIERARCH ESO ISS AMBI TEMP 17.3
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.52