Exposure
ID
PIONI.2025-06-01T08:37:49.164_1
Header ID
PIONI.2025-06-01T08:37:49.164
Date updated
2025-06-01 08:45:44 UTC+0000
Release date
2025-06-01 08:37:49 UTC+0000
UTC Start
2025-06-01 08:37:49.164
UTC End
2025-06-01 08:38:14.764
MJD Start
60827.3595968112
MJD End
60827.359893107496
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006938
Ambient temperature (°C)
12.76
Seeing (arcsec)
0.37
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 43.4280 43.4590 137.7000 137.8000
A0-J2 113.7190 113.8420 70.6000 70.7000
A0-J6 169.6020 169.6010 8.3090 8.3940
B5-J2 104.8080 104.8700 48.1000 48.2000
B5-J6 200.0080 200.0100 358.6530 358.7260
J2-J6 154.0590 154.1350 327.5280 327.5720
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 60827.3595968112
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 43.428
HIERARCH ESO ISS PBL12 END 43.459
HIERARCH ESO ISS PBLA12 START 137.7
HIERARCH ESO ISS PBLA12 END 137.8
HIERARCH ESO ISS PBL13 START 113.719
HIERARCH ESO ISS PBL13 END 113.842
HIERARCH ESO ISS PBLA13 START 70.6
HIERARCH ESO ISS PBLA13 END 70.7
HIERARCH ESO ISS PBL14 START 169.602
HIERARCH ESO ISS PBL14 END 169.601
HIERARCH ESO ISS PBLA14 START 8.309
HIERARCH ESO ISS PBLA14 END 8.394
HIERARCH ESO ISS PBL23 START 104.808
HIERARCH ESO ISS PBL23 END 104.87
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 200.008
HIERARCH ESO ISS PBL24 END 200.01
HIERARCH ESO ISS PBLA24 START 358.653
HIERARCH ESO ISS PBLA24 END 358.726
HIERARCH ESO ISS PBL34 START 154.059
HIERARCH ESO ISS PBL34 END 154.135
HIERARCH ESO ISS PBLA34 START 327.528
HIERARCH ESO ISS PBLA34 END 327.572
HIERARCH ESO ISS AMBI TAU0 START 0.006938
HIERARCH ESO ISS AMBI TAU0 END 0.006938
HIERARCH ESO ISS AMBI TEMP 12.76
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37