Exposure
ID
PIONI.2025-03-21T04:40:12.141_1
Header ID
PIONI.2025-03-21T04:40:12.141
Date updated
2025-03-21 04:45:42 UTC+0000
Release date
2025-03-21 04:40:12 UTC+0000
UTC Start
2025-03-21 04:40:12.142
UTC End
2025-03-21 04:40:50.542
MJD Start
60755.194584975
MJD End
60755.19502941944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009409
Ambient temperature (°C)
15.98
Seeing (arcsec)
0.395
Observation
ID
64919
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
48348
Name
HD73827
RA
129.800496
DEC
-33.61125
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 81.2890 81.2280 149.3000 149.5000
A0-J2 102.4930 102.3020 125.5000 125.6000
A0-K0 93.9660 93.7100 97.6300 97.7640
G1-J2 43.3080 43.1960 76.0000 76.1000
G1-K0 77.2640 77.1710 41.9760 42.0120
J2-K0 47.9590 47.9540 11.6060 11.6910
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 60755.194584975
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD73827
RA 129.800496
DEC -33.61125
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 81.289
HIERARCH ESO ISS PBL12 END 81.228
HIERARCH ESO ISS PBLA12 START 149.3
HIERARCH ESO ISS PBLA12 END 149.5
HIERARCH ESO ISS PBL13 START 102.493
HIERARCH ESO ISS PBL13 END 102.302
HIERARCH ESO ISS PBLA13 START 125.5
HIERARCH ESO ISS PBLA13 END 125.6
HIERARCH ESO ISS PBL14 START 93.966
HIERARCH ESO ISS PBL14 END 93.71
HIERARCH ESO ISS PBLA14 START 97.63
HIERARCH ESO ISS PBLA14 END 97.764
HIERARCH ESO ISS PBL23 START 43.308
HIERARCH ESO ISS PBL23 END 43.196
HIERARCH ESO ISS PBLA23 START 76.0
HIERARCH ESO ISS PBLA23 END 76.1
HIERARCH ESO ISS PBL24 START 77.264
HIERARCH ESO ISS PBL24 END 77.171
HIERARCH ESO ISS PBLA24 START 41.976
HIERARCH ESO ISS PBLA24 END 42.012
HIERARCH ESO ISS PBL34 START 47.959
HIERARCH ESO ISS PBL34 END 47.954
HIERARCH ESO ISS PBLA34 START 11.606
HIERARCH ESO ISS PBLA34 END 11.691
HIERARCH ESO ISS AMBI TAU0 START 0.009881
HIERARCH ESO ISS AMBI TAU0 END 0.008937
HIERARCH ESO ISS AMBI TEMP 15.98
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.43