Exposure
ID
GRAVI.2023-07-20T03:53:53.518_1
Header ID
GRAVI.2023-07-20T03:53:53.518
Date updated
2023-07-20 04:05:44 UTC+0000
Release date
2024-07-20 04:05:44 UTC+0000
UTC Start
2023-07-20 03:53:53.518
UTC End
2023-07-20 03:56:33.518
MJD Start
60145.16242498
MJD End
60145.1642768319
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004534
Ambient temperature (°C)
17.19
Seeing (arcsec)
0.355
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 76.1240 75.7040 135.7000 136.2000
A0-J2 104.1210 103.2220 107.7000 108.1000
A0-K0 106.5960 105.7320 81.2710 81.4350
G1-J2 51.2740 50.9680 63.7000 63.8000
G1-K0 87.8010 87.6400 36.4480 36.5400
J2-K0 48.3110 48.3200 7.3640 7.6810
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 60145.16242498
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 76.124
HIERARCH ESO ISS PBL12 END 75.704
HIERARCH ESO ISS PBLA12 START 135.7
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 104.121
HIERARCH ESO ISS PBL13 END 103.222
HIERARCH ESO ISS PBLA13 START 107.7
HIERARCH ESO ISS PBLA13 END 108.1
HIERARCH ESO ISS PBL14 START 106.596
HIERARCH ESO ISS PBL14 END 105.732
HIERARCH ESO ISS PBLA14 START 81.271
HIERARCH ESO ISS PBLA14 END 81.435
HIERARCH ESO ISS PBL23 START 51.274
HIERARCH ESO ISS PBL23 END 50.968
HIERARCH ESO ISS PBLA23 START 63.7
HIERARCH ESO ISS PBLA23 END 63.8
HIERARCH ESO ISS PBL24 START 87.801
HIERARCH ESO ISS PBL24 END 87.64
HIERARCH ESO ISS PBLA24 START 36.448
HIERARCH ESO ISS PBLA24 END 36.54
HIERARCH ESO ISS PBL34 START 48.311
HIERARCH ESO ISS PBL34 END 48.32
HIERARCH ESO ISS PBLA34 START 7.364
HIERARCH ESO ISS PBLA34 END 7.681
HIERARCH ESO ISS AMBI TAU0 START 0.004534
HIERARCH ESO ISS AMBI TAU0 END 0.004534
HIERARCH ESO ISS AMBI TEMP 17.19
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.34