Exposure
ID
GRAVI.2023-08-19T08:07:02.704_1
Header ID
GRAVI.2023-08-19T08:07:02.704
Date updated
2023-08-19 08:25:26 UTC+0000
Release date
2024-08-19 08:25:26 UTC+0000
UTC Start
2023-08-19 08:07:02.704
UTC End
2023-08-19 08:13:42.704
MJD Start
60175.33822574
MJD End
60175.3428553696
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0024295
Ambient temperature (°C)
10.53
Seeing (arcsec)
0.73
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 61.9880 60.1290 102.2000 101.9000
A0-J2 110.3530 108.4300 79.6000 78.8000
A0-K0 124.0060 123.1530 64.7560 63.9340
G1-J2 58.2140 58.1680 55.4000 54.8000
G1-K0 83.7320 84.3200 38.0110 37.8930
J2-K0 33.1470 33.2680 6.2700 7.3720
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 60175.33822574
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 61.988
HIERARCH ESO ISS PBL12 END 60.129
HIERARCH ESO ISS PBLA12 START 102.2
HIERARCH ESO ISS PBLA12 END 101.9
HIERARCH ESO ISS PBL13 START 110.353
HIERARCH ESO ISS PBL13 END 108.43
HIERARCH ESO ISS PBLA13 START 79.6
HIERARCH ESO ISS PBLA13 END 78.8
HIERARCH ESO ISS PBL14 START 124.006
HIERARCH ESO ISS PBL14 END 123.153
HIERARCH ESO ISS PBLA14 START 64.756
HIERARCH ESO ISS PBLA14 END 63.934
HIERARCH ESO ISS PBL23 START 58.214
HIERARCH ESO ISS PBL23 END 58.168
HIERARCH ESO ISS PBLA23 START 55.4
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 83.732
HIERARCH ESO ISS PBL24 END 84.32
HIERARCH ESO ISS PBLA24 START 38.011
HIERARCH ESO ISS PBLA24 END 37.893
HIERARCH ESO ISS PBL34 START 33.147
HIERARCH ESO ISS PBL34 END 33.268
HIERARCH ESO ISS PBLA34 START 6.27
HIERARCH ESO ISS PBLA34 END 7.372
HIERARCH ESO ISS AMBI TAU0 START 0.002657
HIERARCH ESO ISS AMBI TAU0 END 0.002202
HIERARCH ESO ISS AMBI TEMP 10.53
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.8