Exposure
ID
PIONI.2025-05-31T07:14:05.599_1
Header ID
PIONI.2025-05-31T07:14:05.599
Date updated
2025-05-31 07:21:36 UTC+0000
Release date
2025-05-31 07:14:05 UTC+0000
UTC Start
2025-05-31 07:14:05.599
UTC End
2025-05-31 07:14:43.999
MJD Start
60826.3014536868
MJD End
60826.30189813124
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009675
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.38
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 42.5550 42.5200 155.0000 155.1000
A0-J2 124.4690 124.3470 92.4000 92.4000
A0-J6 163.6210 163.7050 32.5130 32.5560
B5-J2 111.4290 111.3910 72.6000 72.6000
B5-J6 189.8820 189.9700 21.6100 21.6740
J2-J6 147.8240 147.7560 345.7370 345.8390
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 60826.3014536868
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 42.555
HIERARCH ESO ISS PBL12 END 42.52
HIERARCH ESO ISS PBLA12 START 155.0
HIERARCH ESO ISS PBLA12 END 155.1
HIERARCH ESO ISS PBL13 START 124.469
HIERARCH ESO ISS PBL13 END 124.347
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 163.621
HIERARCH ESO ISS PBL14 END 163.705
HIERARCH ESO ISS PBLA14 START 32.513
HIERARCH ESO ISS PBLA14 END 32.556
HIERARCH ESO ISS PBL23 START 111.429
HIERARCH ESO ISS PBL23 END 111.391
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 189.882
HIERARCH ESO ISS PBL24 END 189.97
HIERARCH ESO ISS PBLA24 START 21.61
HIERARCH ESO ISS PBLA24 END 21.674
HIERARCH ESO ISS PBL34 START 147.824
HIERARCH ESO ISS PBL34 END 147.756
HIERARCH ESO ISS PBLA34 START 345.737
HIERARCH ESO ISS PBLA34 END 345.839
HIERARCH ESO ISS AMBI TAU0 START 0.009675
HIERARCH ESO ISS AMBI TAU0 END 0.009675
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38