Exposure
ID
PIONI.2025-05-31T08:10:10.241_1
Header ID
PIONI.2025-05-31T08:10:10.241
Date updated
2025-05-31 08:16:52 UTC+0000
Release date
2025-05-31 08:10:10 UTC+0000
UTC Start
2025-05-31 08:10:10.241
UTC End
2025-05-31 08:10:48.641
MJD Start
60826.340396306
MJD End
60826.34084075044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005521
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.395
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 40.2940 40.2650 162.9000 163.0000
A0-J2 112.3170 112.0880 92.5000 92.5000
A0-J6 168.2140 168.2590 34.6970 34.7170
B5-J2 105.8210 105.6960 71.5000 71.4000
B5-J6 195.6920 195.7680 25.3790 25.4220
J2-J6 144.1180 144.0830 353.4380 353.5570
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 60826.340396306
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 40.294
HIERARCH ESO ISS PBL12 END 40.265
HIERARCH ESO ISS PBLA12 START 162.9
HIERARCH ESO ISS PBLA12 END 163.0
HIERARCH ESO ISS PBL13 START 112.317
HIERARCH ESO ISS PBL13 END 112.088
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 168.214
HIERARCH ESO ISS PBL14 END 168.259
HIERARCH ESO ISS PBLA14 START 34.697
HIERARCH ESO ISS PBLA14 END 34.717
HIERARCH ESO ISS PBL23 START 105.821
HIERARCH ESO ISS PBL23 END 105.696
HIERARCH ESO ISS PBLA23 START 71.5
HIERARCH ESO ISS PBLA23 END 71.4
HIERARCH ESO ISS PBL24 START 195.692
HIERARCH ESO ISS PBL24 END 195.768
HIERARCH ESO ISS PBLA24 START 25.379
HIERARCH ESO ISS PBLA24 END 25.422
HIERARCH ESO ISS PBL34 START 144.118
HIERARCH ESO ISS PBL34 END 144.083
HIERARCH ESO ISS PBLA34 START 353.438
HIERARCH ESO ISS PBLA34 END 353.557
HIERARCH ESO ISS AMBI TAU0 START 0.005521
HIERARCH ESO ISS AMBI TAU0 END 0.005521
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.39