Exposure
ID
PIONI.2025-05-31T06:54:01.371_1
Header ID
PIONI.2025-05-31T06:54:01.371
Date updated
2025-05-31 07:01:27 UTC+0000
Release date
2025-05-31 06:54:01 UTC+0000
UTC Start
2025-05-31 06:54:01.371
UTC End
2025-05-31 06:54:39.771
MJD Start
60826.287515867
MJD End
60826.28796031144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0141745
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.3
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 43.4380 43.4020 152.6000 152.7000
A0-J2 127.0380 126.9520 92.5000 92.5000
A0-J6 161.3560 161.4530 31.3020 31.3550
B5-J2 111.9740 111.9670 72.8000 72.8000
B5-J6 187.6540 187.7450 19.8980 19.9710
J2-J6 149.6570 149.5790 343.2640 343.3610
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 60826.287515867
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 43.438
HIERARCH ESO ISS PBL12 END 43.402
HIERARCH ESO ISS PBLA12 START 152.6
HIERARCH ESO ISS PBLA12 END 152.7
HIERARCH ESO ISS PBL13 START 127.038
HIERARCH ESO ISS PBL13 END 126.952
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 161.356
HIERARCH ESO ISS PBL14 END 161.453
HIERARCH ESO ISS PBLA14 START 31.302
HIERARCH ESO ISS PBLA14 END 31.355
HIERARCH ESO ISS PBL23 START 111.974
HIERARCH ESO ISS PBL23 END 111.967
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 187.654
HIERARCH ESO ISS PBL24 END 187.745
HIERARCH ESO ISS PBLA24 START 19.898
HIERARCH ESO ISS PBLA24 END 19.971
HIERARCH ESO ISS PBL34 START 149.657
HIERARCH ESO ISS PBL34 END 149.579
HIERARCH ESO ISS PBLA34 START 343.264
HIERARCH ESO ISS PBLA34 END 343.361
HIERARCH ESO ISS AMBI TAU0 START 0.014153
HIERARCH ESO ISS AMBI TAU0 END 0.014196
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.3