Exposure
ID
PIONI.2025-05-31T07:52:30.723_1
Header ID
PIONI.2025-05-31T07:52:30.723
Date updated
2025-05-31 07:56:25 UTC+0000
Release date
2025-05-31 07:52:30 UTC+0000
UTC Start
2025-05-31 07:52:30.724
UTC End
2025-05-31 07:53:09.124
MJD Start
60826.3281333749
MJD End
60826.32857781934
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009389499999999999
Ambient temperature (°C)
15.12
Seeing (arcsec)
0.29
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 41.6370 41.6060 160.2000 160.3000
A0-J2 117.3590 117.1650 93.1000 93.1000
A0-J6 167.5710 167.6240 33.9990 34.0280
B5-J2 108.1850 108.0860 72.4000 72.4000
B5-J6 195.0940 195.1700 24.0850 24.1370
J2-J6 147.2230 147.1770 350.8180 350.9320
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 60826.3281333749
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 41.637
HIERARCH ESO ISS PBL12 END 41.606
HIERARCH ESO ISS PBLA12 START 160.2
HIERARCH ESO ISS PBLA12 END 160.3
HIERARCH ESO ISS PBL13 START 117.359
HIERARCH ESO ISS PBL13 END 117.165
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 167.571
HIERARCH ESO ISS PBL14 END 167.624
HIERARCH ESO ISS PBLA14 START 33.999
HIERARCH ESO ISS PBLA14 END 34.028
HIERARCH ESO ISS PBL23 START 108.185
HIERARCH ESO ISS PBL23 END 108.086
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 195.094
HIERARCH ESO ISS PBL24 END 195.17
HIERARCH ESO ISS PBLA24 START 24.085
HIERARCH ESO ISS PBLA24 END 24.137
HIERARCH ESO ISS PBL34 START 147.223
HIERARCH ESO ISS PBL34 END 147.177
HIERARCH ESO ISS PBLA34 START 350.818
HIERARCH ESO ISS PBLA34 END 350.932
HIERARCH ESO ISS AMBI TAU0 START 0.009205
HIERARCH ESO ISS AMBI TAU0 END 0.009574
HIERARCH ESO ISS AMBI TEMP 15.12
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29