Exposure
ID
PIONI.2025-06-01T03:24:38.460_1
Header ID
PIONI.2025-06-01T03:24:38.460
Date updated
2025-06-01 03:31:49 UTC+0000
Release date
2025-06-01 03:24:38 UTC+0000
UTC Start
2025-06-01 03:24:38.460
UTC End
2025-06-01 03:25:16.860
MJD Start
60827.1421118006
MJD End
60827.14255624504
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008858
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.29
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 48.6260 48.6290 143.2000 143.2000
A0-J2 97.7920 98.0860 94.1000 94.1000
A0-J6 137.7930 137.8250 5.2580 5.3990
B5-J2 75.4770 75.7390 65.0000 65.1000
B5-J6 176.9030 176.8710 354.6420 354.7480
J2-J6 167.3390 167.3130 329.5130 329.5270
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 60827.1421118006
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 48.626
HIERARCH ESO ISS PBL12 END 48.629
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 97.792
HIERARCH ESO ISS PBL13 END 98.086
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 137.793
HIERARCH ESO ISS PBL14 END 137.825
HIERARCH ESO ISS PBLA14 START 5.258
HIERARCH ESO ISS PBLA14 END 5.399
HIERARCH ESO ISS PBL23 START 75.477
HIERARCH ESO ISS PBL23 END 75.739
HIERARCH ESO ISS PBLA23 START 65.0
HIERARCH ESO ISS PBLA23 END 65.1
HIERARCH ESO ISS PBL24 START 176.903
HIERARCH ESO ISS PBL24 END 176.871
HIERARCH ESO ISS PBLA24 START 354.642
HIERARCH ESO ISS PBLA24 END 354.748
HIERARCH ESO ISS PBL34 START 167.339
HIERARCH ESO ISS PBL34 END 167.313
HIERARCH ESO ISS PBLA34 START 329.513
HIERARCH ESO ISS PBLA34 END 329.527
HIERARCH ESO ISS AMBI TAU0 START 0.008858
HIERARCH ESO ISS AMBI TAU0 END 0.008858
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29