Exposure
ID
PIONI.2025-06-01T09:05:56.087_1
Header ID
PIONI.2025-06-01T09:05:56.087
Date updated
2025-06-01 09:20:11 UTC+0000
Release date
2025-06-01 09:05:56 UTC+0000
UTC Start
2025-06-01 09:05:56.088
UTC End
2025-06-01 09:06:21.688
MJD Start
60827.3791213846
MJD End
60827.379417680895
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005436
Ambient temperature (°C)
12.74
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 45.8740 45.8970 141.0000 141.1000
A0-J2 117.9140 118.0290 77.4000 77.5000
A0-J6 169.6100 169.6120 12.1590 12.2410
B5-J2 105.8130 105.8790 54.6000 54.7000
B5-J6 201.5910 201.5900 1.9560 2.0270
J2-J6 161.0850 161.1370 330.4830 330.5290
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 60827.3791213846
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 45.874
HIERARCH ESO ISS PBL12 END 45.897
HIERARCH ESO ISS PBLA12 START 141.0
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 117.914
HIERARCH ESO ISS PBL13 END 118.029
HIERARCH ESO ISS PBLA13 START 77.4
HIERARCH ESO ISS PBLA13 END 77.5
HIERARCH ESO ISS PBL14 START 169.61
HIERARCH ESO ISS PBL14 END 169.612
HIERARCH ESO ISS PBLA14 START 12.159
HIERARCH ESO ISS PBLA14 END 12.241
HIERARCH ESO ISS PBL23 START 105.813
HIERARCH ESO ISS PBL23 END 105.879
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.7
HIERARCH ESO ISS PBL24 START 201.591
HIERARCH ESO ISS PBL24 END 201.59
HIERARCH ESO ISS PBLA24 START 1.956
HIERARCH ESO ISS PBLA24 END 2.027
HIERARCH ESO ISS PBL34 START 161.085
HIERARCH ESO ISS PBL34 END 161.137
HIERARCH ESO ISS PBLA34 START 330.483
HIERARCH ESO ISS PBLA34 END 330.529
HIERARCH ESO ISS AMBI TAU0 START 0.005436
HIERARCH ESO ISS AMBI TAU0 END 0.005436
HIERARCH ESO ISS AMBI TEMP 12.74
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54