Exposure
ID
PIONI.2025-09-26T00:40:47.576_1
Header ID
PIONI.2025-09-26T00:40:47.576
Date updated
2025-09-26 00:50:43 UTC+0000
Release date
2025-09-26 00:40:47 UTC+0000
UTC Start
2025-09-26 00:40:47.576
UTC End
2025-09-26 00:41:25.976
MJD Start
60944.0283284257
MJD End
60944.028772870144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005709499999999999
Ambient temperature (°C)
13.58
Seeing (arcsec)
0.9099999999999999
Observation
ID
70482
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
52265
Name
HD 166562
RA
272.817293
DEC
-0.65932
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 70.7680 70.5950 121.3000 121.4000
A0-J2 108.6020 108.3510 93.5000 93.5000
A0-K0 118.0980 117.9310 71.6110 71.5830
G1-J2 56.6110 56.5700 57.8000 57.8000
G1-K0 90.2040 90.2190 34.8770 34.8890
J2-K0 44.0080 44.0140 4.7730 4.8680
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 60944.0283284257
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
DEC -0.65932
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 70.768
HIERARCH ESO ISS PBL12 END 70.595
HIERARCH ESO ISS PBLA12 START 121.3
HIERARCH ESO ISS PBLA12 END 121.4
HIERARCH ESO ISS PBL13 START 108.602
HIERARCH ESO ISS PBL13 END 108.351
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 118.098
HIERARCH ESO ISS PBL14 END 117.931
HIERARCH ESO ISS PBLA14 START 71.611
HIERARCH ESO ISS PBLA14 END 71.583
HIERARCH ESO ISS PBL23 START 56.611
HIERARCH ESO ISS PBL23 END 56.57
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 90.204
HIERARCH ESO ISS PBL24 END 90.219
HIERARCH ESO ISS PBLA24 START 34.877
HIERARCH ESO ISS PBLA24 END 34.889
HIERARCH ESO ISS PBL34 START 44.008
HIERARCH ESO ISS PBL34 END 44.014
HIERARCH ESO ISS PBLA34 START 4.773
HIERARCH ESO ISS PBLA34 END 4.868
HIERARCH ESO ISS AMBI TAU0 START 0.005768
HIERARCH ESO ISS AMBI TAU0 END 0.005651
HIERARCH ESO ISS AMBI TEMP 13.58
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.96