Exposure
ID
PIONI.2025-05-31T09:23:09.465_1
Header ID
PIONI.2025-05-31T09:23:09.465
Date updated
2025-05-31 09:37:38 UTC+0000
Release date
2025-05-31 09:23:09 UTC+0000
UTC Start
2025-05-31 09:23:09.465
UTC End
2025-05-31 09:23:47.865
MJD Start
60826.3910817723
MJD End
60826.39152621674
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004613
Ambient temperature (°C)
15.01
Seeing (arcsec)
0.31
Observation
ID
67681
Category
calibrator
Program ID
115.283B.001
Program Title
WHAT MAKES THE SYMBIOTIC GIANT IN FG SER BREATHE?
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
50334
Name
HD 166562
RA
272.817848
DEC
-0.65931
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 39.3450 39.3370 175.5000 175.6000
A0-J2 87.4390 87.1060 94.5000 94.5000
A0-J6 169.2930 169.2700 35.1160 35.1070
B5-J2 90.0790 89.8610 69.0000 68.9000
B5-J6 201.1700 201.1980 27.9490 27.9660
J2-J6 145.7280 145.7490 4.0130 4.1300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283B.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60826.3910817723
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817848
DEC -0.65931
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 39.345
HIERARCH ESO ISS PBL12 END 39.337
HIERARCH ESO ISS PBLA12 START 175.5
HIERARCH ESO ISS PBLA12 END 175.6
HIERARCH ESO ISS PBL13 START 87.439
HIERARCH ESO ISS PBL13 END 87.106
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.5
HIERARCH ESO ISS PBL14 START 169.293
HIERARCH ESO ISS PBL14 END 169.27
HIERARCH ESO ISS PBLA14 START 35.116
HIERARCH ESO ISS PBLA14 END 35.107
HIERARCH ESO ISS PBL23 START 90.079
HIERARCH ESO ISS PBL23 END 89.861
HIERARCH ESO ISS PBLA23 START 69.0
HIERARCH ESO ISS PBLA23 END 68.9
HIERARCH ESO ISS PBL24 START 201.17
HIERARCH ESO ISS PBL24 END 201.198
HIERARCH ESO ISS PBLA24 START 27.949
HIERARCH ESO ISS PBLA24 END 27.966
HIERARCH ESO ISS PBL34 START 145.728
HIERARCH ESO ISS PBL34 END 145.749
HIERARCH ESO ISS PBLA34 START 4.013
HIERARCH ESO ISS PBLA34 END 4.13
HIERARCH ESO ISS AMBI TAU0 START 0.004489
HIERARCH ESO ISS AMBI TAU0 END 0.004737
HIERARCH ESO ISS AMBI TEMP 15.01
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.3