Exposure
ID
GRAVI.2023-08-27T03:23:22.512_1
Header ID
GRAVI.2023-08-27T03:23:22.512
Date updated
2023-08-27 03:35:35 UTC+0000
Release date
2024-08-27 03:35:35 UTC+0000
UTC Start
2023-08-27 03:23:22.512
UTC End
2023-08-27 03:30:02.512
MJD Start
60183.14123278
MJD End
60183.14586240963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003915
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.585
Observation
ID
56784
Category
science
Program ID
111.24TN.002
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
42082
Name
HD_169805
RA
276.797675
DEC
-18.95374
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 76.5170 75.5440 135.7000 137.0000
A0-J2 104.5770 102.4720 107.9000 108.9000
A0-K0 106.7880 104.7430 81.4990 81.9020
G1-J2 51.2780 50.5500 63.9000 64.1000
G1-K0 87.7190 87.3270 36.4810 36.7000
J2-K0 48.3500 48.3700 7.2570 8.0000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60183.14123278
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 169805
HIERARCH ESO INS SOBJ NAME HD_169805
RA 276.797675
DEC -18.95374
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 76.517
HIERARCH ESO ISS PBL12 END 75.544
HIERARCH ESO ISS PBLA12 START 135.7
HIERARCH ESO ISS PBLA12 END 137.0
HIERARCH ESO ISS PBL13 START 104.577
HIERARCH ESO ISS PBL13 END 102.472
HIERARCH ESO ISS PBLA13 START 107.9
HIERARCH ESO ISS PBLA13 END 108.9
HIERARCH ESO ISS PBL14 START 106.788
HIERARCH ESO ISS PBL14 END 104.743
HIERARCH ESO ISS PBLA14 START 81.499
HIERARCH ESO ISS PBLA14 END 81.902
HIERARCH ESO ISS PBL23 START 51.278
HIERARCH ESO ISS PBL23 END 50.55
HIERARCH ESO ISS PBLA23 START 63.9
HIERARCH ESO ISS PBLA23 END 64.1
HIERARCH ESO ISS PBL24 START 87.719
HIERARCH ESO ISS PBL24 END 87.327
HIERARCH ESO ISS PBLA24 START 36.481
HIERARCH ESO ISS PBLA24 END 36.7
HIERARCH ESO ISS PBL34 START 48.35
HIERARCH ESO ISS PBL34 END 48.37
HIERARCH ESO ISS PBLA34 START 7.257
HIERARCH ESO ISS PBLA34 END 8.0
HIERARCH ESO ISS AMBI TAU0 START 0.0042
HIERARCH ESO ISS AMBI TAU0 END 0.00363
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.64