Exposure
ID
GRAVI.2023-08-27T03:38:49.551_1
Header ID
GRAVI.2023-08-27T03:38:49.551
Date updated
2023-08-27 03:55:23 UTC+0000
Release date
2024-08-27 03:55:23 UTC+0000
UTC Start
2023-08-27 03:38:49.551
UTC End
2023-08-27 03:45:29.551
MJD Start
60183.1519624
MJD End
60183.15659202963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005010499999999999
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.54
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 74.3450 73.3700 138.7000 140.2000
A0-J2 99.8000 97.5610 110.1000 111.1000
A0-K0 102.1130 99.8780 82.3940 82.7940
G1-J2 49.6090 48.8040 64.2000 64.3000
G1-K0 86.8070 86.3530 36.9360 37.1020
J2-K0 48.3960 48.4190 8.9030 9.6290
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 60183.1519624
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 74.345
HIERARCH ESO ISS PBL12 END 73.37
HIERARCH ESO ISS PBLA12 START 138.7
HIERARCH ESO ISS PBLA12 END 140.2
HIERARCH ESO ISS PBL13 START 99.8
HIERARCH ESO ISS PBL13 END 97.561
HIERARCH ESO ISS PBLA13 START 110.1
HIERARCH ESO ISS PBLA13 END 111.1
HIERARCH ESO ISS PBL14 START 102.113
HIERARCH ESO ISS PBL14 END 99.878
HIERARCH ESO ISS PBLA14 START 82.394
HIERARCH ESO ISS PBLA14 END 82.794
HIERARCH ESO ISS PBL23 START 49.609
HIERARCH ESO ISS PBL23 END 48.804
HIERARCH ESO ISS PBLA23 START 64.2
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 86.807
HIERARCH ESO ISS PBL24 END 86.353
HIERARCH ESO ISS PBLA24 START 36.936
HIERARCH ESO ISS PBLA24 END 37.102
HIERARCH ESO ISS PBL34 START 48.396
HIERARCH ESO ISS PBL34 END 48.419
HIERARCH ESO ISS PBLA34 START 8.903
HIERARCH ESO ISS PBLA34 END 9.629
HIERARCH ESO ISS AMBI TAU0 START 0.004925
HIERARCH ESO ISS AMBI TAU0 END 0.005096
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.59