Exposure
ID
PIONI.2025-05-31T09:14:00.382_1
Header ID
PIONI.2025-05-31T09:14:00.382
Date updated
2025-05-31 09:26:28 UTC+0000
Release date
2025-05-31 09:14:00 UTC+0000
UTC Start
2025-05-31 09:14:00.382
UTC End
2025-05-31 09:14:38.782
MJD Start
60826.3847266436
MJD End
60826.38517108804
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009927
Ambient temperature (°C)
15.05
Seeing (arcsec)
0.31
Observation
ID
67683
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
50336
Name
HD 166235
RA
272.420295
DEC
0.82288
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 38.6850 38.6740 174.0000 174.1000
A0-J2 90.3810 90.0510 92.8000 92.8000
A0-J6 169.6240 169.6140 35.1530 35.1450
B5-J2 92.6820 92.4720 68.5000 68.4000
B5-J6 200.3710 200.4120 27.8490 27.8690
J2-J6 143.3490 143.3650 2.9490 3.0710
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 60826.3847266436
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166235
RA 272.420295
DEC 0.82288
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 38.685
HIERARCH ESO ISS PBL12 END 38.674
HIERARCH ESO ISS PBLA12 START 174.0
HIERARCH ESO ISS PBLA12 END 174.1
HIERARCH ESO ISS PBL13 START 90.381
HIERARCH ESO ISS PBL13 END 90.051
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 169.624
HIERARCH ESO ISS PBL14 END 169.614
HIERARCH ESO ISS PBLA14 START 35.153
HIERARCH ESO ISS PBLA14 END 35.145
HIERARCH ESO ISS PBL23 START 92.682
HIERARCH ESO ISS PBL23 END 92.472
HIERARCH ESO ISS PBLA23 START 68.5
HIERARCH ESO ISS PBLA23 END 68.4
HIERARCH ESO ISS PBL24 START 200.371
HIERARCH ESO ISS PBL24 END 200.412
HIERARCH ESO ISS PBLA24 START 27.849
HIERARCH ESO ISS PBLA24 END 27.869
HIERARCH ESO ISS PBL34 START 143.349
HIERARCH ESO ISS PBL34 END 143.365
HIERARCH ESO ISS PBLA34 START 2.949
HIERARCH ESO ISS PBLA34 END 3.071
HIERARCH ESO ISS AMBI TAU0 START 0.009927
HIERARCH ESO ISS AMBI TAU0 END 0.009927
HIERARCH ESO ISS AMBI TEMP 15.05
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31