Exposure
ID
PIONI.2025-06-02T03:24:45.776_1
Header ID
PIONI.2025-06-02T03:24:45.776
Date updated
2025-06-02 03:31:15 UTC+0000
Release date
2025-06-02 03:24:45 UTC+0000
UTC Start
2025-06-02 03:24:45.776
UTC End
2025-06-02 03:25:24.176
MJD Start
60828.1421964765
MJD End
60828.142640920945
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004859
Ambient temperature (°C)
12.24
Seeing (arcsec)
0.56
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 48.6420 48.6440 143.1000 143.1000
A0-J2 99.2700 99.5590 94.0000 94.0000
A0-J6 137.9640 138.0000 5.9700 6.1100
B5-J2 76.7980 77.0570 65.4000 65.5000
B5-J6 176.7490 176.7210 355.1850 355.2930
J2-J6 167.2020 167.1730 329.5790 329.5930
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 60828.1421964765
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 48.642
HIERARCH ESO ISS PBL12 END 48.644
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.27
HIERARCH ESO ISS PBL13 END 99.559
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 137.964
HIERARCH ESO ISS PBL14 END 138.0
HIERARCH ESO ISS PBLA14 START 5.97
HIERARCH ESO ISS PBLA14 END 6.11
HIERARCH ESO ISS PBL23 START 76.798
HIERARCH ESO ISS PBL23 END 77.057
HIERARCH ESO ISS PBLA23 START 65.4
HIERARCH ESO ISS PBLA23 END 65.5
HIERARCH ESO ISS PBL24 START 176.749
HIERARCH ESO ISS PBL24 END 176.721
HIERARCH ESO ISS PBLA24 START 355.185
HIERARCH ESO ISS PBLA24 END 355.293
HIERARCH ESO ISS PBL34 START 167.202
HIERARCH ESO ISS PBL34 END 167.173
HIERARCH ESO ISS PBLA34 START 329.579
HIERARCH ESO ISS PBLA34 END 329.593
HIERARCH ESO ISS AMBI TAU0 START 0.004859
HIERARCH ESO ISS AMBI TAU0 END 0.004859
HIERARCH ESO ISS AMBI TEMP 12.24
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56