Exposure
ID
PIONI.2025-06-01T04:00:35.655_1
Header ID
PIONI.2025-06-01T04:00:35.655
Date updated
2025-06-01 04:12:29 UTC+0000
Release date
2025-06-01 04:00:35 UTC+0000
UTC Start
2025-06-01 04:00:35.655
UTC End
2025-06-01 04:01:14.055
MJD Start
60827.1670793397
MJD End
60827.16752378414
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00938
Ambient temperature (°C)
13.67
Seeing (arcsec)
0.32
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 48.5750 48.5690 143.1000 143.1000
A0-J2 109.7910 110.0290 93.5000 93.5000
A0-J6 140.0200 140.0870 11.4010 11.5330
B5-J2 86.5970 86.8270 68.2000 68.3000
B5-J6 176.1150 176.1130 359.5210 359.6300
J2-J6 165.6720 165.6240 330.3760 330.4020
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 60827.1670793397
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 48.575
HIERARCH ESO ISS PBL12 END 48.569
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 109.791
HIERARCH ESO ISS PBL13 END 110.029
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 140.02
HIERARCH ESO ISS PBL14 END 140.087
HIERARCH ESO ISS PBLA14 START 11.401
HIERARCH ESO ISS PBLA14 END 11.533
HIERARCH ESO ISS PBL23 START 86.597
HIERARCH ESO ISS PBL23 END 86.827
HIERARCH ESO ISS PBLA23 START 68.2
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 176.115
HIERARCH ESO ISS PBL24 END 176.113
HIERARCH ESO ISS PBLA24 START 359.521
HIERARCH ESO ISS PBLA24 END 359.63
HIERARCH ESO ISS PBL34 START 165.672
HIERARCH ESO ISS PBL34 END 165.624
HIERARCH ESO ISS PBLA34 START 330.376
HIERARCH ESO ISS PBLA34 END 330.402
HIERARCH ESO ISS AMBI TAU0 START 0.00938
HIERARCH ESO ISS AMBI TAU0 END 0.00938
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32