Exposure
ID
PIONI.2025-09-22T00:00:05.502_1
Header ID
PIONI.2025-09-22T00:00:05.502
Date updated
2025-09-22 00:05:58 UTC+0000
Release date
2025-09-22 00:00:05 UTC+0000
UTC Start
2025-09-22 00:00:05.502
UTC End
2025-09-22 00:00:43.902
MJD Start
60940.0000636806
MJD End
60940.00050812504
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0041080000000000005
Ambient temperature (°C)
11.77
Seeing (arcsec)
0.66
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 81.2260 81.0980 116.7000 116.8000
A0-J2 122.4090 122.2600 92.9000 92.9000
A0-K0 126.3360 126.2650 72.6900 72.6820
G1-J2 58.2090 58.2040 58.6000 58.6000
G1-K0 88.3650 88.4030 32.9580 32.9980
J2-K0 43.8880 43.8860 357.8600 357.9610
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 60940.0000636806
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 81.226
HIERARCH ESO ISS PBL12 END 81.098
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 122.409
HIERARCH ESO ISS PBL13 END 122.26
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 126.336
HIERARCH ESO ISS PBL14 END 126.265
HIERARCH ESO ISS PBLA14 START 72.69
HIERARCH ESO ISS PBLA14 END 72.682
HIERARCH ESO ISS PBL23 START 58.209
HIERARCH ESO ISS PBL23 END 58.204
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.365
HIERARCH ESO ISS PBL24 END 88.403
HIERARCH ESO ISS PBLA24 START 32.958
HIERARCH ESO ISS PBLA24 END 32.998
HIERARCH ESO ISS PBL34 START 43.888
HIERARCH ESO ISS PBL34 END 43.886
HIERARCH ESO ISS PBLA34 START 357.86
HIERARCH ESO ISS PBLA34 END 357.961
HIERARCH ESO ISS AMBI TAU0 START 0.004405
HIERARCH ESO ISS AMBI TAU0 END 0.003811
HIERARCH ESO ISS AMBI TEMP 11.77
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66