Exposure
ID
PIONI.2025-06-01T04:01:25.751_1
Header ID
PIONI.2025-06-01T04:01:25.751
Date updated
2025-06-01 04:12:29 UTC+0000
Release date
2025-06-01 04:01:25 UTC+0000
UTC Start
2025-06-01 04:01:25.751
UTC End
2025-06-01 04:02:04.151
MJD Start
60827.1676591528
MJD End
60827.16810359724
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008775
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.36
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 48.5680 48.5620 143.1000 143.1000
A0-J2 110.0390 110.2790 93.5000 93.5000
A0-J6 140.0900 140.1580 11.5380 11.6700
B5-J2 86.8370 87.0710 68.3000 68.4000
B5-J6 176.1130 176.1110 359.6350 359.7450
J2-J6 165.6220 165.5730 330.4030 330.4290
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 60827.1676591528
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 48.568
HIERARCH ESO ISS PBL12 END 48.562
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 110.039
HIERARCH ESO ISS PBL13 END 110.279
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 140.09
HIERARCH ESO ISS PBL14 END 140.158
HIERARCH ESO ISS PBLA14 START 11.538
HIERARCH ESO ISS PBLA14 END 11.67
HIERARCH ESO ISS PBL23 START 86.837
HIERARCH ESO ISS PBL23 END 87.071
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 68.4
HIERARCH ESO ISS PBL24 START 176.113
HIERARCH ESO ISS PBL24 END 176.111
HIERARCH ESO ISS PBLA24 START 359.635
HIERARCH ESO ISS PBLA24 END 359.745
HIERARCH ESO ISS PBL34 START 165.622
HIERARCH ESO ISS PBL34 END 165.573
HIERARCH ESO ISS PBLA34 START 330.403
HIERARCH ESO ISS PBLA34 END 330.429
HIERARCH ESO ISS AMBI TAU0 START 0.00938
HIERARCH ESO ISS AMBI TAU0 END 0.00817
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.4