Exposure
ID
PIONI.2025-05-31T06:53:10.888_1
Header ID
PIONI.2025-05-31T06:53:10.888
Date updated
2025-05-31 07:01:27 UTC+0000
Release date
2025-05-31 06:53:10 UTC+0000
UTC Start
2025-05-31 06:53:10.887
UTC End
2025-05-31 06:53:49.287
MJD Start
60826.2869315655
MJD End
60826.28737600994
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.01391
Ambient temperature (°C)
15.31
Seeing (arcsec)
0.305
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 43.4750 43.4390 152.6000 152.6000
A0-J2 127.1240 127.0400 92.5000 92.5000
A0-J6 161.2560 161.3540 31.2460 31.3010
B5-J2 111.9800 111.9740 72.8000 72.8000
B5-J6 187.5620 187.6520 19.8230 19.8960
J2-J6 149.7370 149.6590 343.1660 343.2620
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 60826.2869315655
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 43.475
HIERARCH ESO ISS PBL12 END 43.439
HIERARCH ESO ISS PBLA12 START 152.6
HIERARCH ESO ISS PBLA12 END 152.6
HIERARCH ESO ISS PBL13 START 127.124
HIERARCH ESO ISS PBL13 END 127.04
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 161.256
HIERARCH ESO ISS PBL14 END 161.354
HIERARCH ESO ISS PBLA14 START 31.246
HIERARCH ESO ISS PBLA14 END 31.301
HIERARCH ESO ISS PBL23 START 111.98
HIERARCH ESO ISS PBL23 END 111.974
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 187.562
HIERARCH ESO ISS PBL24 END 187.652
HIERARCH ESO ISS PBLA24 START 19.823
HIERARCH ESO ISS PBLA24 END 19.896
HIERARCH ESO ISS PBL34 START 149.737
HIERARCH ESO ISS PBL34 END 149.659
HIERARCH ESO ISS PBLA34 START 343.166
HIERARCH ESO ISS PBLA34 END 343.262
HIERARCH ESO ISS AMBI TAU0 START 0.013667
HIERARCH ESO ISS AMBI TAU0 END 0.014153
HIERARCH ESO ISS AMBI TEMP 15.31
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.3