Exposure
ID
PIONI.2025-06-01T05:48:03.836_1
Header ID
PIONI.2025-06-01T05:48:03.836
Date updated
2025-06-01 06:12:05 UTC+0000
Release date
2025-06-01 05:48:03 UTC+0000
UTC Start
2025-06-01 05:48:03.835
UTC End
2025-06-01 05:48:29.435
MJD Start
60827.2417110563
MJD End
60827.242007352594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010794
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.38
Observation
ID
67664
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
50317
Name
HD167724
RA
274.399635
DEC
-25.34188
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.5180 48.5220 148.3000 148.4000
A0-J2 128.1440 128.1830 89.3000 89.4000
A0-J6 169.5420 169.5480 22.4030 22.4730
B5-J2 111.2220 111.2500 67.4000 67.4000
B5-J6 201.8570 201.8590 11.1770 11.2440
J2-J6 167.6950 167.7030 337.7440 337.8010
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 60827.2417110563
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD167724
RA 274.399635
DEC -25.34188
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.518
HIERARCH ESO ISS PBL12 END 48.522
HIERARCH ESO ISS PBLA12 START 148.3
HIERARCH ESO ISS PBLA12 END 148.4
HIERARCH ESO ISS PBL13 START 128.144
HIERARCH ESO ISS PBL13 END 128.183
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 89.4
HIERARCH ESO ISS PBL14 START 169.542
HIERARCH ESO ISS PBL14 END 169.548
HIERARCH ESO ISS PBLA14 START 22.403
HIERARCH ESO ISS PBLA14 END 22.473
HIERARCH ESO ISS PBL23 START 111.222
HIERARCH ESO ISS PBL23 END 111.25
HIERARCH ESO ISS PBLA23 START 67.4
HIERARCH ESO ISS PBLA23 END 67.4
HIERARCH ESO ISS PBL24 START 201.857
HIERARCH ESO ISS PBL24 END 201.859
HIERARCH ESO ISS PBLA24 START 11.177
HIERARCH ESO ISS PBLA24 END 11.244
HIERARCH ESO ISS PBL34 START 167.695
HIERARCH ESO ISS PBL34 END 167.703
HIERARCH ESO ISS PBLA34 START 337.744
HIERARCH ESO ISS PBLA34 END 337.801
HIERARCH ESO ISS AMBI TAU0 START 0.010794
HIERARCH ESO ISS AMBI TAU0 END 0.010794
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38