Exposure
ID
GRAVI.2023-08-21T07:37:17.468_1
Header ID
GRAVI.2023-08-21T07:37:17.468
Date updated
2023-08-21 07:50:30 UTC+0000
Release date
2024-08-21 07:50:30 UTC+0000
UTC Start
2023-08-21 07:37:17.468
UTC End
2023-08-21 07:43:57.468
MJD Start
60177.31756329
MJD End
60177.3221929196
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005843
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.53
Observation
ID
56651
Category
science
Program ID
110.249Q.001
Program Title
SPIN-ORBIT ALIGNMENT IN THE HR 8799 PLANETARY SYSTEM
Program Type
Normal
PI / COI
LU/ KRAUS/ GARDNER
Target
ID
41973
Name
HR8799
RA
346.867881
DEC
21.13399
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 67.4900 65.8000 103.1000 102.8000
A0-J2 115.8440 114.1930 82.0000 81.3000
A0-K0 126.1710 125.5700 67.1900 66.4400
G1-J2 58.1510 58.2060 57.4000 56.8000
G1-K0 81.7160 82.3840 38.2230 38.1820
J2-K0 32.8960 32.9550 2.7410 3.8700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.249Q.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60177.31756329
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 218396
HIERARCH ESO INS SOBJ NAME HR8799
RA 346.867881
DEC 21.13399
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 67.49
HIERARCH ESO ISS PBL12 END 65.8
HIERARCH ESO ISS PBLA12 START 103.1
HIERARCH ESO ISS PBLA12 END 102.8
HIERARCH ESO ISS PBL13 START 115.844
HIERARCH ESO ISS PBL13 END 114.193
HIERARCH ESO ISS PBLA13 START 82.0
HIERARCH ESO ISS PBLA13 END 81.3
HIERARCH ESO ISS PBL14 START 126.171
HIERARCH ESO ISS PBL14 END 125.57
HIERARCH ESO ISS PBLA14 START 67.19
HIERARCH ESO ISS PBLA14 END 66.44
HIERARCH ESO ISS PBL23 START 58.151
HIERARCH ESO ISS PBL23 END 58.206
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 81.716
HIERARCH ESO ISS PBL24 END 82.384
HIERARCH ESO ISS PBLA24 START 38.223
HIERARCH ESO ISS PBLA24 END 38.182
HIERARCH ESO ISS PBL34 START 32.896
HIERARCH ESO ISS PBL34 END 32.955
HIERARCH ESO ISS PBLA34 START 2.741
HIERARCH ESO ISS PBLA34 END 3.87
HIERARCH ESO ISS AMBI TAU0 START 0.0062
HIERARCH ESO ISS AMBI TAU0 END 0.005486
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.5