Exposure
ID
PIONI.2025-05-31T06:50:39.689_1
Header ID
PIONI.2025-05-31T06:50:39.689
Date updated
2025-05-31 07:01:27 UTC+0000
Release date
2025-05-31 06:50:39 UTC+0000
UTC Start
2025-05-31 06:50:39.688
UTC End
2025-05-31 06:51:18.088
MJD Start
60826.2851815764
MJD End
60826.28562602084
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.014698
Ambient temperature (°C)
15.34
Seeing (arcsec)
0.35
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 43.5860 43.5510 152.3000 152.4000
A0-J2 127.3720 127.2940 92.5000 92.5000
A0-J6 160.9520 161.0490 31.0770 31.1310
B5-J2 111.9890 111.9870 72.8000 72.8000
B5-J6 187.2830 187.3720 19.5940 19.6670
J2-J6 149.9810 149.9030 342.8690 342.9630
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 60826.2851815764
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 43.586
HIERARCH ESO ISS PBL12 END 43.551
HIERARCH ESO ISS PBLA12 START 152.3
HIERARCH ESO ISS PBLA12 END 152.4
HIERARCH ESO ISS PBL13 START 127.372
HIERARCH ESO ISS PBL13 END 127.294
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 160.952
HIERARCH ESO ISS PBL14 END 161.049
HIERARCH ESO ISS PBLA14 START 31.077
HIERARCH ESO ISS PBLA14 END 31.131
HIERARCH ESO ISS PBL23 START 111.989
HIERARCH ESO ISS PBL23 END 111.987
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 187.283
HIERARCH ESO ISS PBL24 END 187.372
HIERARCH ESO ISS PBLA24 START 19.594
HIERARCH ESO ISS PBLA24 END 19.667
HIERARCH ESO ISS PBL34 START 149.981
HIERARCH ESO ISS PBL34 END 149.903
HIERARCH ESO ISS PBLA34 START 342.869
HIERARCH ESO ISS PBLA34 END 342.963
HIERARCH ESO ISS AMBI TAU0 START 0.014698
HIERARCH ESO ISS AMBI TAU0 END 0.014698
HIERARCH ESO ISS AMBI TEMP 15.34
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.35