Exposure
ID
PIONI.2025-06-01T09:04:40.492_1
Header ID
PIONI.2025-06-01T09:04:40.492
Date updated
2025-06-01 09:10:57 UTC+0000
Release date
2025-06-01 09:04:40 UTC+0000
UTC Start
2025-06-01 09:04:40.491
UTC End
2025-06-01 09:05:06.091
MJD Start
60827.3782464257
MJD End
60827.378542722
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005436
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.54
Observation
ID
67701
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
50353
Name
HD216761
RA
343.963969
DEC
-31.63329
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 45.8260 45.8490 140.9000 141.0000
A0-J2 117.6690 117.7850 77.3000 77.3000
A0-J6 169.6050 169.6070 11.9840 12.0670
B5-J2 105.6710 105.7380 54.4000 54.5000
B5-J6 201.5930 201.5920 1.8040 1.8760
J2-J6 160.9740 161.0270 330.3870 330.4330
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 60827.3782464257
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD216761
RA 343.963969
DEC -31.63329
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 45.826
HIERARCH ESO ISS PBL12 END 45.849
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 141.0
HIERARCH ESO ISS PBL13 START 117.669
HIERARCH ESO ISS PBL13 END 117.785
HIERARCH ESO ISS PBLA13 START 77.3
HIERARCH ESO ISS PBLA13 END 77.3
HIERARCH ESO ISS PBL14 START 169.605
HIERARCH ESO ISS PBL14 END 169.607
HIERARCH ESO ISS PBLA14 START 11.984
HIERARCH ESO ISS PBLA14 END 12.067
HIERARCH ESO ISS PBL23 START 105.671
HIERARCH ESO ISS PBL23 END 105.738
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 201.593
HIERARCH ESO ISS PBL24 END 201.592
HIERARCH ESO ISS PBLA24 START 1.804
HIERARCH ESO ISS PBLA24 END 1.876
HIERARCH ESO ISS PBL34 START 160.974
HIERARCH ESO ISS PBL34 END 161.027
HIERARCH ESO ISS PBLA34 START 330.387
HIERARCH ESO ISS PBLA34 END 330.433
HIERARCH ESO ISS AMBI TAU0 START 0.005436
HIERARCH ESO ISS AMBI TAU0 END 0.005436
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54