Exposure
ID
PIONI.2025-07-21T08:51:13.707_1
Header ID
PIONI.2025-07-21T08:51:13.707
Date updated
2025-07-21 08:55:46 UTC+0000
Release date
2025-07-21 08:51:13 UTC+0000
UTC Start
2025-07-21 08:51:13.708
UTC End
2025-07-21 08:51:39.308
MJD Start
60877.3689086535
MJD End
60877.3692049498
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007218
Ambient temperature (°C)
14.68
Seeing (arcsec)
0.9450000000000001
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 72.6580 72.7240 71.5000 71.7000
A0-J2 119.7370 119.7850 50.6000 50.8000
A0-K0 127.1580 127.1680 34.8630 35.0010
G1-J2 57.9840 57.9810 24.1000 24.2000
G1-K0 81.4210 81.4190 2.6550 2.7500
J2-K0 34.6660 34.6910 324.9990 325.0710
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 60877.3689086535
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 72.658
HIERARCH ESO ISS PBL12 END 72.724
HIERARCH ESO ISS PBLA12 START 71.5
HIERARCH ESO ISS PBLA12 END 71.7
HIERARCH ESO ISS PBL13 START 119.737
HIERARCH ESO ISS PBL13 END 119.785
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 50.8
HIERARCH ESO ISS PBL14 START 127.158
HIERARCH ESO ISS PBL14 END 127.168
HIERARCH ESO ISS PBLA14 START 34.863
HIERARCH ESO ISS PBLA14 END 35.001
HIERARCH ESO ISS PBL23 START 57.984
HIERARCH ESO ISS PBL23 END 57.981
HIERARCH ESO ISS PBLA23 START 24.1
HIERARCH ESO ISS PBLA23 END 24.2
HIERARCH ESO ISS PBL24 START 81.421
HIERARCH ESO ISS PBL24 END 81.419
HIERARCH ESO ISS PBLA24 START 2.655
HIERARCH ESO ISS PBLA24 END 2.75
HIERARCH ESO ISS PBL34 START 34.666
HIERARCH ESO ISS PBL34 END 34.691
HIERARCH ESO ISS PBLA34 START 324.999
HIERARCH ESO ISS PBLA34 END 325.071
HIERARCH ESO ISS AMBI TAU0 START 0.007218
HIERARCH ESO ISS AMBI TAU0 END 0.007218
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.82