Exposure
ID
GRAVI.2023-05-22T04:17:26.572_1
Header ID
GRAVI.2023-05-22T04:17:26.572
Date updated
2023-05-22 04:25:42 UTC+0000
Release date
2024-05-22 04:25:42 UTC+0000
UTC Start
2023-05-22 04:17:26.572
UTC End
2023-05-22 04:20:06.572
MJD Start
60086.17877977
MJD End
60086.1806316219
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029295
Ambient temperature (°C)
12.5
Seeing (arcsec)
0.565
Observation
ID
55527
Category
science
Program ID
111.24TN.001
Program Title
SUBDWARF COMPANIONS AND THE ORIGIN OF BE STARS: TOWARDS THE FIRST SET OF FUNDAMENTAL PARAMETERS
Program Type
Normal
PI / COI
KLEMENT/ RIVINIUS/ BAADE/ MÉRAND
Target
ID
41127
Name
chi_Oph
RA
246.753623
DEC
-18.45637
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.3640 89.5210 111.8000 112.0000
A0-J2 126.1310 126.4660 88.5000 88.7000
A0-K0 124.1850 124.5240 66.1310 66.4310
G1-J2 56.5640 56.6910 49.7000 50.0000
G1-K0 88.9440 89.0140 20.1340 20.4870
J2-K0 48.5690 48.5600 345.0570 345.3280
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60086.17877977
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753623
DEC -18.45637
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.364
HIERARCH ESO ISS PBL12 END 89.521
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 112.0
HIERARCH ESO ISS PBL13 START 126.131
HIERARCH ESO ISS PBL13 END 126.466
HIERARCH ESO ISS PBLA13 START 88.5
HIERARCH ESO ISS PBLA13 END 88.7
HIERARCH ESO ISS PBL14 START 124.185
HIERARCH ESO ISS PBL14 END 124.524
HIERARCH ESO ISS PBLA14 START 66.131
HIERARCH ESO ISS PBLA14 END 66.431
HIERARCH ESO ISS PBL23 START 56.564
HIERARCH ESO ISS PBL23 END 56.691
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 88.944
HIERARCH ESO ISS PBL24 END 89.014
HIERARCH ESO ISS PBLA24 START 20.134
HIERARCH ESO ISS PBLA24 END 20.487
HIERARCH ESO ISS PBL34 START 48.569
HIERARCH ESO ISS PBL34 END 48.56
HIERARCH ESO ISS PBLA34 START 345.057
HIERARCH ESO ISS PBLA34 END 345.328
HIERARCH ESO ISS AMBI TAU0 START 0.002445
HIERARCH ESO ISS AMBI TAU0 END 0.003414
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.5