Exposure
ID
PIONI.2025-06-01T03:58:55.103_1
Header ID
PIONI.2025-06-01T03:58:55.103
Date updated
2025-06-01 04:12:29 UTC+0000
Release date
2025-06-01 03:58:55 UTC+0000
UTC Start
2025-06-01 03:58:55.102
UTC End
2025-06-01 03:59:33.502
MJD Start
60827.1659155367
MJD End
60827.16635998114
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00938
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.375
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 48.5870 48.5810 143.1000 143.1000
A0-J2 109.2920 109.5330 93.6000 93.5000
A0-J6 139.8840 139.9490 11.1260 11.2580
B5-J2 86.1140 86.3460 68.1000 68.2000
B5-J6 176.1230 176.1190 359.2930 359.4020
J2-J6 165.7710 165.7240 330.3220 330.3480
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 60827.1659155367
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 48.587
HIERARCH ESO ISS PBL12 END 48.581
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 109.292
HIERARCH ESO ISS PBL13 END 109.533
HIERARCH ESO ISS PBLA13 START 93.6
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 139.884
HIERARCH ESO ISS PBL14 END 139.949
HIERARCH ESO ISS PBLA14 START 11.126
HIERARCH ESO ISS PBLA14 END 11.258
HIERARCH ESO ISS PBL23 START 86.114
HIERARCH ESO ISS PBL23 END 86.346
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 68.2
HIERARCH ESO ISS PBL24 START 176.123
HIERARCH ESO ISS PBL24 END 176.119
HIERARCH ESO ISS PBLA24 START 359.293
HIERARCH ESO ISS PBLA24 END 359.402
HIERARCH ESO ISS PBL34 START 165.771
HIERARCH ESO ISS PBL34 END 165.724
HIERARCH ESO ISS PBLA34 START 330.322
HIERARCH ESO ISS PBLA34 END 330.348
HIERARCH ESO ISS AMBI TAU0 START 0.00938
HIERARCH ESO ISS AMBI TAU0 END 0.00938
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.32