Exposure
ID
PIONI.2025-07-21T03:23:43.814_1
Header ID
PIONI.2025-07-21T03:23:43.814
Date updated
2025-07-21 03:30:42 UTC+0000
Release date
2025-07-21 03:23:43 UTC+0000
UTC Start
2025-07-21 03:23:43.814
UTC End
2025-07-21 03:24:09.414
MJD Start
60877.1414793311
MJD End
60877.141775627395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002602
Ambient temperature (°C)
15.41
Seeing (arcsec)
0.76
Observation
ID
68884
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
51248
Name
HD 166562
RA
272.817293
DEC
-0.65931
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 86.9070 86.8470 114.7000 114.8000
A0-J2 128.0790 128.0340 92.7000 92.7000
A0-K0 127.9460 127.9530 72.7840 72.7870
G1-J2 57.6730 57.6910 58.2000 58.2000
G1-K0 85.9440 85.9810 30.2390 30.2830
J2-K0 44.2220 44.2160 352.5550 352.6250
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 60877.1414793311
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 86.907
HIERARCH ESO ISS PBL12 END 86.847
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 128.079
HIERARCH ESO ISS PBL13 END 128.034
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 127.946
HIERARCH ESO ISS PBL14 END 127.953
HIERARCH ESO ISS PBLA14 START 72.784
HIERARCH ESO ISS PBLA14 END 72.787
HIERARCH ESO ISS PBL23 START 57.673
HIERARCH ESO ISS PBL23 END 57.691
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 85.944
HIERARCH ESO ISS PBL24 END 85.981
HIERARCH ESO ISS PBLA24 START 30.239
HIERARCH ESO ISS PBLA24 END 30.283
HIERARCH ESO ISS PBL34 START 44.222
HIERARCH ESO ISS PBL34 END 44.216
HIERARCH ESO ISS PBLA34 START 352.555
HIERARCH ESO ISS PBLA34 END 352.625
HIERARCH ESO ISS AMBI TAU0 START 0.002602
HIERARCH ESO ISS AMBI TAU0 END 0.002602
HIERARCH ESO ISS AMBI TEMP 15.41
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76