Exposure
ID
PIONI.2025-03-20T23:48:56.699_1
Header ID
PIONI.2025-03-20T23:48:56.699
Date updated
2025-03-20 23:55:41 UTC+0000
Release date
2025-03-20 23:48:56 UTC+0000
UTC Start
2025-03-20 23:48:56.698
UTC End
2025-03-20 23:49:35.098
MJD Start
60754.992322898
MJD End
60754.99276734244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0076595
Ambient temperature (°C)
17.98
Seeing (arcsec)
0.9450000000000001
Observation
ID
65723
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
48896
Name
HD31575
RA
73.237571
DEC
-61.38317
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 90.4140 90.4180 138.5000 138.6000
A0-J2 125.9280 125.8860 121.2000 121.4000
A0-K0 114.5120 114.4180 102.9490 103.1360
G1-J2 47.8520 47.7960 87.0000 87.2000
G1-K0 66.5760 66.4960 50.8760 50.9960
J2-K0 39.7140 39.7090 5.5800 5.6880
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 60754.992322898
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD31575
RA 73.237571
DEC -61.38317
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.414
HIERARCH ESO ISS PBL12 END 90.418
HIERARCH ESO ISS PBLA12 START 138.5
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 125.928
HIERARCH ESO ISS PBL13 END 125.886
HIERARCH ESO ISS PBLA13 START 121.2
HIERARCH ESO ISS PBLA13 END 121.4
HIERARCH ESO ISS PBL14 START 114.512
HIERARCH ESO ISS PBL14 END 114.418
HIERARCH ESO ISS PBLA14 START 102.949
HIERARCH ESO ISS PBLA14 END 103.136
HIERARCH ESO ISS PBL23 START 47.852
HIERARCH ESO ISS PBL23 END 47.796
HIERARCH ESO ISS PBLA23 START 87.0
HIERARCH ESO ISS PBLA23 END 87.2
HIERARCH ESO ISS PBL24 START 66.576
HIERARCH ESO ISS PBL24 END 66.496
HIERARCH ESO ISS PBLA24 START 50.876
HIERARCH ESO ISS PBLA24 END 50.996
HIERARCH ESO ISS PBL34 START 39.714
HIERARCH ESO ISS PBL34 END 39.709
HIERARCH ESO ISS PBLA34 START 5.58
HIERARCH ESO ISS PBLA34 END 5.688
HIERARCH ESO ISS AMBI TAU0 START 0.007579
HIERARCH ESO ISS AMBI TAU0 END 0.00774
HIERARCH ESO ISS AMBI TEMP 17.98
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.82