Exposure
ID
PIONI.2025-07-21T07:16:10.761_1
Header ID
PIONI.2025-07-21T07:16:10.761
Date updated
2025-07-21 07:25:43 UTC+0000
Release date
2025-07-21 07:16:10 UTC+0000
UTC Start
2025-07-21 07:16:10.761
UTC End
2025-07-21 07:16:36.361
MJD Start
60877.3029023302
MJD End
60877.3031986265
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0084045
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.41500000000000004
Observation
ID
68897
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
51260
Name
HD223559
RA
357.63776
DEC
-14.40162
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.0870 88.1360 111.3000 111.3000
A0-J2 122.2830 122.3890 87.8000 87.9000
A0-K0 119.1910 119.2980 64.7310 64.7920
G1-J2 54.3010 54.3410 47.6000 47.7000
G1-K0 86.7230 86.7420 17.2350 17.3130
J2-K0 48.4130 48.4090 342.6860 342.7360
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 60877.3029023302
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD223559
RA 357.63776
DEC -14.40162
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.087
HIERARCH ESO ISS PBL12 END 88.136
HIERARCH ESO ISS PBLA12 START 111.3
HIERARCH ESO ISS PBLA12 END 111.3
HIERARCH ESO ISS PBL13 START 122.283
HIERARCH ESO ISS PBL13 END 122.389
HIERARCH ESO ISS PBLA13 START 87.8
HIERARCH ESO ISS PBLA13 END 87.9
HIERARCH ESO ISS PBL14 START 119.191
HIERARCH ESO ISS PBL14 END 119.298
HIERARCH ESO ISS PBLA14 START 64.731
HIERARCH ESO ISS PBLA14 END 64.792
HIERARCH ESO ISS PBL23 START 54.301
HIERARCH ESO ISS PBL23 END 54.341
HIERARCH ESO ISS PBLA23 START 47.6
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 86.723
HIERARCH ESO ISS PBL24 END 86.742
HIERARCH ESO ISS PBLA24 START 17.235
HIERARCH ESO ISS PBLA24 END 17.313
HIERARCH ESO ISS PBL34 START 48.413
HIERARCH ESO ISS PBL34 END 48.409
HIERARCH ESO ISS PBLA34 START 342.686
HIERARCH ESO ISS PBLA34 END 342.736
HIERARCH ESO ISS AMBI TAU0 START 0.008049
HIERARCH ESO ISS AMBI TAU0 END 0.00876
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.4