Exposure
ID
GRAVI.2023-05-22T04:27:20.597_1
Header ID
GRAVI.2023-05-22T04:27:20.597
Date updated
2023-05-22 04:35:49 UTC+0000
Release date
2024-05-22 04:35:49 UTC+0000
UTC Start
2023-05-22 04:27:20.597
UTC End
2023-05-22 04:30:00.597
MJD Start
60086.18565506
MJD End
60086.1875069119
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004665
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.435
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 89.8460 89.9630 112.5000 112.7000
A0-J2 127.1820 127.4520 89.3000 89.5000
A0-K0 125.2640 125.5510 67.1320 67.4200
G1-J2 56.9730 57.0840 50.8000 51.2000
G1-K0 89.1770 89.2440 21.3150 21.6580
J2-K0 48.5380 48.5280 345.9850 346.2660
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 60086.18565506
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 89.846
HIERARCH ESO ISS PBL12 END 89.963
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 127.182
HIERARCH ESO ISS PBL13 END 127.452
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 125.264
HIERARCH ESO ISS PBL14 END 125.551
HIERARCH ESO ISS PBLA14 START 67.132
HIERARCH ESO ISS PBLA14 END 67.42
HIERARCH ESO ISS PBL23 START 56.973
HIERARCH ESO ISS PBL23 END 57.084
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 89.177
HIERARCH ESO ISS PBL24 END 89.244
HIERARCH ESO ISS PBLA24 START 21.315
HIERARCH ESO ISS PBLA24 END 21.658
HIERARCH ESO ISS PBL34 START 48.538
HIERARCH ESO ISS PBL34 END 48.528
HIERARCH ESO ISS PBLA34 START 345.985
HIERARCH ESO ISS PBLA34 END 346.266
HIERARCH ESO ISS AMBI TAU0 START 0.005059
HIERARCH ESO ISS AMBI TAU0 END 0.004271
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.46