Exposure
ID
PIONI.2025-06-01T08:39:04.633_1
Header ID
PIONI.2025-06-01T08:39:04.633
Date updated
2025-06-01 08:45:44 UTC+0000
Release date
2025-06-01 08:39:04 UTC+0000
UTC Start
2025-06-01 08:39:04.633
UTC End
2025-06-01 08:39:30.233
MJD Start
60827.3604702861
MJD End
60827.360766582395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0062725
Ambient temperature (°C)
12.78
Seeing (arcsec)
0.4
Observation
ID
67698
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
50350
Name
HD216666
RA
343.811739
DEC
-36.38856
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 43.4930 43.5240 137.8000 137.9000
A0-J2 113.9740 114.0950 70.8000 70.9000
A0-J6 169.5990 169.5970 8.4880 8.5730
B5-J2 104.9370 104.9990 48.4000 48.5000
B5-J6 200.0110 200.0120 358.8060 358.8780
J2-J6 154.2170 154.2920 327.6220 327.6670
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 60827.3604702861
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD216666
RA 343.811739
DEC -36.38856
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 43.493
HIERARCH ESO ISS PBL12 END 43.524
HIERARCH ESO ISS PBLA12 START 137.8
HIERARCH ESO ISS PBLA12 END 137.9
HIERARCH ESO ISS PBL13 START 113.974
HIERARCH ESO ISS PBL13 END 114.095
HIERARCH ESO ISS PBLA13 START 70.8
HIERARCH ESO ISS PBLA13 END 70.9
HIERARCH ESO ISS PBL14 START 169.599
HIERARCH ESO ISS PBL14 END 169.597
HIERARCH ESO ISS PBLA14 START 8.488
HIERARCH ESO ISS PBLA14 END 8.573
HIERARCH ESO ISS PBL23 START 104.937
HIERARCH ESO ISS PBL23 END 104.999
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 200.011
HIERARCH ESO ISS PBL24 END 200.012
HIERARCH ESO ISS PBLA24 START 358.806
HIERARCH ESO ISS PBLA24 END 358.878
HIERARCH ESO ISS PBL34 START 154.217
HIERARCH ESO ISS PBL34 END 154.292
HIERARCH ESO ISS PBLA34 START 327.622
HIERARCH ESO ISS PBLA34 END 327.667
HIERARCH ESO ISS AMBI TAU0 START 0.007002
HIERARCH ESO ISS AMBI TAU0 END 0.005543
HIERARCH ESO ISS AMBI TEMP 12.78
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.43