Exposure
ID
GRAVI.2018-08-28T04:51:18.620_2
Header ID
GRAVI.2018-08-28T04:51:18.620
Date updated
2019-01-21 12:09:42 UTC+0000
Release date
2019-01-21 12:09:42 UTC+0000
UTC Start
2018-08-28 04:51:18.620
UTC End
2018-08-28 04:52:08.620
MJD Start
58358.20229884
MJD End
58358.2028775437
Exposure time (s)
50.0
Validation level
1
Tau 0: Coherence time (s)
0.007081
Ambient temperature (°C)
13.34
Seeing (arcsec)
0.52
Observation
ID
42474
Category
science
Program ID
60.A-9102(G)
Program Title
GRAVITY COMMISSIONING
Program Type
Normal
PI / COI
GRAVITYTEAM, G
Target
ID
32113
Name
HR8799
RA
346.869666666667
DEC
21.13425
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 40.3740 40.3910 32.2000 32.2000
U1-U3 75.5930 75.6300 40.4000 40.5000
U1-U4 114.9570 115.0040 70.1910 70.1820
U2-U3 36.1130 36.1310 49.7000 49.7000
U2-U4 86.7960 86.8130 86.8470 86.8290
U3-U4 61.9600 61.9540 107.4410 107.4250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9102(G)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 58358.20229884
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR8799
HIERARCH ESO INS SOBJ NAME HR8799e
RA 346.872661
DEC 21.13403
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 70.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 50
HIERARCH ESO ISS PBL12 START 40.374
HIERARCH ESO ISS PBL12 END 40.391
HIERARCH ESO ISS PBLA12 START 32.2
HIERARCH ESO ISS PBLA12 END 32.2
HIERARCH ESO ISS PBL13 START 75.593
HIERARCH ESO ISS PBL13 END 75.63
HIERARCH ESO ISS PBLA13 START 40.4
HIERARCH ESO ISS PBLA13 END 40.5
HIERARCH ESO ISS PBL14 START 114.957
HIERARCH ESO ISS PBL14 END 115.004
HIERARCH ESO ISS PBLA14 START 70.191
HIERARCH ESO ISS PBLA14 END 70.182
HIERARCH ESO ISS PBL23 START 36.113
HIERARCH ESO ISS PBL23 END 36.131
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 86.796
HIERARCH ESO ISS PBL24 END 86.813
HIERARCH ESO ISS PBLA24 START 86.847
HIERARCH ESO ISS PBLA24 END 86.829
HIERARCH ESO ISS PBL34 START 61.96
HIERARCH ESO ISS PBL34 END 61.954
HIERARCH ESO ISS PBLA34 START 107.441
HIERARCH ESO ISS PBLA34 END 107.425
HIERARCH ESO ISS AMBI TAU0 START 0.007081
HIERARCH ESO ISS AMBI TAU0 END 0.007081
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.720
HIERARCH ESO FT ROBJ DELTA 210803.300