Exposure
ID
PIONI.2025-03-21T04:46:13.547_1
Header ID
PIONI.2025-03-21T04:46:13.547
Date updated
2025-03-21 04:50:59 UTC+0000
Release date
2025-03-21 04:46:13 UTC+0000
UTC Start
2025-03-21 04:46:13.547
UTC End
2025-03-21 04:46:39.147
MJD Start
60755.198767907
MJD End
60755.1990642033
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0107365
Ambient temperature (°C)
15.92
Seeing (arcsec)
0.35
Observation
ID
65744
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
48917
Name
HD81089
RA
140.764461
DEC
-21.93834
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 78.0310 77.9550 137.5000 137.6000
A0-J2 105.1680 104.9970 110.4000 110.5000
A0-K0 105.5400 105.3650 83.7490 83.7950
G1-J2 50.3480 50.2830 65.5000 65.6000
G1-K0 86.5060 86.4670 37.0930 37.1150
J2-K0 48.5730 48.5740 7.5010 7.5650
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 60755.198767907
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD81089
RA 140.764461
DEC -21.93834
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 78.031
HIERARCH ESO ISS PBL12 END 77.955
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.6
HIERARCH ESO ISS PBL13 START 105.168
HIERARCH ESO ISS PBL13 END 104.997
HIERARCH ESO ISS PBLA13 START 110.4
HIERARCH ESO ISS PBLA13 END 110.5
HIERARCH ESO ISS PBL14 START 105.54
HIERARCH ESO ISS PBL14 END 105.365
HIERARCH ESO ISS PBLA14 START 83.749
HIERARCH ESO ISS PBLA14 END 83.795
HIERARCH ESO ISS PBL23 START 50.348
HIERARCH ESO ISS PBL23 END 50.283
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 86.506
HIERARCH ESO ISS PBL24 END 86.467
HIERARCH ESO ISS PBLA24 START 37.093
HIERARCH ESO ISS PBLA24 END 37.115
HIERARCH ESO ISS PBL34 START 48.573
HIERARCH ESO ISS PBL34 END 48.574
HIERARCH ESO ISS PBLA34 START 7.501
HIERARCH ESO ISS PBLA34 END 7.565
HIERARCH ESO ISS AMBI TAU0 START 0.012201
HIERARCH ESO ISS AMBI TAU0 END 0.009272
HIERARCH ESO ISS AMBI TEMP 15.92
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.38