Exposure
ID
PIONI.2025-07-21T08:48:06.441_1
Header ID
PIONI.2025-07-21T08:48:06.441
Date updated
2025-07-21 08:55:46 UTC+0000
Release date
2025-07-21 08:48:06 UTC+0000
UTC Start
2025-07-21 08:48:06.442
UTC End
2025-07-21 08:48:32.042
MJD Start
60877.3667412214
MJD End
60877.367037517695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0060425
Ambient temperature (°C)
14.61
Seeing (arcsec)
1.17
Observation
ID
68902
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
51265
Name
HD19801
RA
47.032445
DEC
-61.14972
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 72.3180 72.3840 70.8000 70.9000
A0-J2 119.4890 119.5360 49.9000 50.0000
A0-K0 127.1030 127.1130 34.1430 34.2780
G1-J2 57.9980 57.9950 23.4000 23.5000
G1-K0 81.4320 81.4300 2.1540 2.2480
J2-K0 34.5360 34.5600 324.6210 324.6910
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 60877.3667412214
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD19801
RA 47.032445
DEC -61.14972
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 72.318
HIERARCH ESO ISS PBL12 END 72.384
HIERARCH ESO ISS PBLA12 START 70.8
HIERARCH ESO ISS PBLA12 END 70.9
HIERARCH ESO ISS PBL13 START 119.489
HIERARCH ESO ISS PBL13 END 119.536
HIERARCH ESO ISS PBLA13 START 49.9
HIERARCH ESO ISS PBLA13 END 50.0
HIERARCH ESO ISS PBL14 START 127.103
HIERARCH ESO ISS PBL14 END 127.113
HIERARCH ESO ISS PBLA14 START 34.143
HIERARCH ESO ISS PBLA14 END 34.278
HIERARCH ESO ISS PBL23 START 57.998
HIERARCH ESO ISS PBL23 END 57.995
HIERARCH ESO ISS PBLA23 START 23.4
HIERARCH ESO ISS PBLA23 END 23.5
HIERARCH ESO ISS PBL24 START 81.432
HIERARCH ESO ISS PBL24 END 81.43
HIERARCH ESO ISS PBLA24 START 2.154
HIERARCH ESO ISS PBLA24 END 2.248
HIERARCH ESO ISS PBL34 START 34.536
HIERARCH ESO ISS PBL34 END 34.56
HIERARCH ESO ISS PBLA34 START 324.621
HIERARCH ESO ISS PBLA34 END 324.691
HIERARCH ESO ISS AMBI TAU0 START 0.005394
HIERARCH ESO ISS AMBI TAU0 END 0.006691
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 1.33
HIERARCH ESO ISS AMBI FWHM END 1.01