Exposure
ID
GRAVI.2023-07-20T04:03:47.543_1
Header ID
GRAVI.2023-07-20T04:03:47.543
Date updated
2023-07-20 04:15:39 UTC+0000
Release date
2024-07-20 04:15:39 UTC+0000
UTC Start
2023-07-20 04:03:47.543
UTC End
2023-07-20 04:06:27.543
MJD Start
60145.16930027
MJD End
60145.1711521219
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006961
Ambient temperature (°C)
17.39
Seeing (arcsec)
0.365
Observation
ID
56305
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
41711
Name
chi_Oph
RA
246.753622
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 74.7130 74.2910 137.6000 138.2000
A0-J2 101.0600 100.1230 109.1000 109.5000
A0-K0 103.6320 102.7150 81.8190 81.9820
G1-J2 50.2220 49.8950 63.9000 64.0000
G1-K0 87.2400 87.0610 36.7410 36.8190
J2-K0 48.3430 48.3520 8.4220 8.7340
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 60145.16930027
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753622
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 74.713
HIERARCH ESO ISS PBL12 END 74.291
HIERARCH ESO ISS PBLA12 START 137.6
HIERARCH ESO ISS PBLA12 END 138.2
HIERARCH ESO ISS PBL13 START 101.06
HIERARCH ESO ISS PBL13 END 100.123
HIERARCH ESO ISS PBLA13 START 109.1
HIERARCH ESO ISS PBLA13 END 109.5
HIERARCH ESO ISS PBL14 START 103.632
HIERARCH ESO ISS PBL14 END 102.715
HIERARCH ESO ISS PBLA14 START 81.819
HIERARCH ESO ISS PBLA14 END 81.982
HIERARCH ESO ISS PBL23 START 50.222
HIERARCH ESO ISS PBL23 END 49.895
HIERARCH ESO ISS PBLA23 START 63.9
HIERARCH ESO ISS PBLA23 END 64.0
HIERARCH ESO ISS PBL24 START 87.24
HIERARCH ESO ISS PBL24 END 87.061
HIERARCH ESO ISS PBLA24 START 36.741
HIERARCH ESO ISS PBLA24 END 36.819
HIERARCH ESO ISS PBL34 START 48.343
HIERARCH ESO ISS PBL34 END 48.352
HIERARCH ESO ISS PBLA34 START 8.422
HIERARCH ESO ISS PBLA34 END 8.734
HIERARCH ESO ISS AMBI TAU0 START 0.006961
HIERARCH ESO ISS AMBI TAU0 END 0.006961
HIERARCH ESO ISS AMBI TEMP 17.39
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.33