Exposure
ID
PIONI.2025-07-21T07:14:18.472_1
Header ID
PIONI.2025-07-21T07:14:18.472
Date updated
2025-07-21 07:20:36 UTC+0000
Release date
2025-07-21 07:14:18 UTC+0000
UTC Start
2025-07-21 07:14:18.471
UTC End
2025-07-21 07:14:44.071
MJD Start
60877.3016026751
MJD End
60877.3018989714
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008258
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.42
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 87.9310 87.9800 111.2000 111.2000
A0-J2 121.9480 122.0540 87.7000 87.7000
A0-K0 118.8550 118.9610 64.5390 64.5970
G1-J2 54.1780 54.2170 47.4000 47.4000
G1-K0 86.6620 86.6810 16.9900 17.0650
J2-K0 48.4240 48.4200 342.5280 342.5750
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 60877.3016026751
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 87.931
HIERARCH ESO ISS PBL12 END 87.98
HIERARCH ESO ISS PBLA12 START 111.2
HIERARCH ESO ISS PBLA12 END 111.2
HIERARCH ESO ISS PBL13 START 121.948
HIERARCH ESO ISS PBL13 END 122.054
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.7
HIERARCH ESO ISS PBL14 START 118.855
HIERARCH ESO ISS PBL14 END 118.961
HIERARCH ESO ISS PBLA14 START 64.539
HIERARCH ESO ISS PBLA14 END 64.597
HIERARCH ESO ISS PBL23 START 54.178
HIERARCH ESO ISS PBL23 END 54.217
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 86.662
HIERARCH ESO ISS PBL24 END 86.681
HIERARCH ESO ISS PBLA24 START 16.99
HIERARCH ESO ISS PBLA24 END 17.065
HIERARCH ESO ISS PBL34 START 48.424
HIERARCH ESO ISS PBL34 END 48.42
HIERARCH ESO ISS PBLA34 START 342.528
HIERARCH ESO ISS PBLA34 END 342.575
HIERARCH ESO ISS AMBI TAU0 START 0.008258
HIERARCH ESO ISS AMBI TAU0 END 0.008258
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42