Exposure
ID
PIONI.2025-03-21T04:05:30.826_1
Header ID
PIONI.2025-03-21T04:05:30.826
Date updated
2025-03-21 04:10:48 UTC+0000
Release date
2025-03-21 04:05:30 UTC+0000
UTC Start
2025-03-21 04:05:30.826
UTC End
2025-03-21 04:06:09.226
MJD Start
60755.170495668
MJD End
60755.17094011244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.01073
Ambient temperature (°C)
16.2
Seeing (arcsec)
0.41
Observation
ID
64916
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
48345
Name
HD71542
RA
126.705757
DEC
-34.17469
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 83.2580 83.1970 144.6000 144.7000
A0-J2 107.9670 107.7870 120.9000 121.0000
A0-K0 100.7280 100.4950 94.5540 94.6800
G1-J2 46.1300 46.0290 74.3000 74.4000
G1-K0 79.3660 79.2810 41.0690 41.1150
J2-K0 48.0000 47.9960 9.2600 9.3480
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 60755.170495668
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD71542
RA 126.705757
DEC -34.17469
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 83.258
HIERARCH ESO ISS PBL12 END 83.197
HIERARCH ESO ISS PBLA12 START 144.6
HIERARCH ESO ISS PBLA12 END 144.7
HIERARCH ESO ISS PBL13 START 107.967
HIERARCH ESO ISS PBL13 END 107.787
HIERARCH ESO ISS PBLA13 START 120.9
HIERARCH ESO ISS PBLA13 END 121.0
HIERARCH ESO ISS PBL14 START 100.728
HIERARCH ESO ISS PBL14 END 100.495
HIERARCH ESO ISS PBLA14 START 94.554
HIERARCH ESO ISS PBLA14 END 94.68
HIERARCH ESO ISS PBL23 START 46.13
HIERARCH ESO ISS PBL23 END 46.029
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.4
HIERARCH ESO ISS PBL24 START 79.366
HIERARCH ESO ISS PBL24 END 79.281
HIERARCH ESO ISS PBLA24 START 41.069
HIERARCH ESO ISS PBLA24 END 41.115
HIERARCH ESO ISS PBL34 START 48.0
HIERARCH ESO ISS PBL34 END 47.996
HIERARCH ESO ISS PBLA34 START 9.26
HIERARCH ESO ISS PBLA34 END 9.348
HIERARCH ESO ISS AMBI TAU0 START 0.01073
HIERARCH ESO ISS AMBI TAU0 END 0.01073
HIERARCH ESO ISS AMBI TEMP 16.2
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41