Exposure
ID
PIONI.2025-06-01T09:04:02.903_1
Header ID
PIONI.2025-06-01T09:04:02.903
Date updated
2025-06-01 09:10:57 UTC+0000
Release date
2025-06-01 09:04:02 UTC+0000
UTC Start
2025-06-01 09:04:02.903
UTC End
2025-06-01 09:04:28.503
MJD Start
60827.3778113811
MJD End
60827.378107677396
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006065
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.525
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 45.8010 45.8240 140.9000 140.9000
A0-J2 117.5460 117.6630 77.2000 77.2000
A0-J6 169.6020 169.6040 11.8970 11.9800
B5-J2 105.6000 105.6670 54.3000 54.4000
B5-J6 201.5940 201.5930 1.7290 1.8000
J2-J6 160.9170 160.9710 330.3390 330.3850
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 60827.3778113811
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 45.801
HIERARCH ESO ISS PBL12 END 45.824
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 140.9
HIERARCH ESO ISS PBL13 START 117.546
HIERARCH ESO ISS PBL13 END 117.663
HIERARCH ESO ISS PBLA13 START 77.2
HIERARCH ESO ISS PBLA13 END 77.2
HIERARCH ESO ISS PBL14 START 169.602
HIERARCH ESO ISS PBL14 END 169.604
HIERARCH ESO ISS PBLA14 START 11.897
HIERARCH ESO ISS PBLA14 END 11.98
HIERARCH ESO ISS PBL23 START 105.6
HIERARCH ESO ISS PBL23 END 105.667
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.4
HIERARCH ESO ISS PBL24 START 201.594
HIERARCH ESO ISS PBL24 END 201.593
HIERARCH ESO ISS PBLA24 START 1.729
HIERARCH ESO ISS PBLA24 END 1.8
HIERARCH ESO ISS PBL34 START 160.917
HIERARCH ESO ISS PBL34 END 160.971
HIERARCH ESO ISS PBLA34 START 330.339
HIERARCH ESO ISS PBLA34 END 330.385
HIERARCH ESO ISS AMBI TAU0 START 0.006694
HIERARCH ESO ISS AMBI TAU0 END 0.005436
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.54