Exposure
ID
GRAVI.2018-08-27T06:10:22.810_2
Header ID
GRAVI.2018-08-27T06:10:22.810
Date updated
2019-01-31 08:01:13 UTC+0000
Release date
2019-01-31 08:01:13 UTC+0000
UTC Start
2018-08-27 06:10:22.810
UTC End
2018-08-27 06:15:22.810
MJD Start
58357.25720845
MJD End
58357.2606806722
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0055785
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.795
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 46.6910 47.1000 37.2000 37.4000
U1-U3 88.1360 88.8910 43.3000 43.4000
U1-U4 127.4890 127.9790 65.7220 65.3480
U2-U3 42.0020 42.3280 50.1000 50.0000
U2-U4 89.2630 89.1290 80.1620 79.6720
U3-U4 56.9300 56.3800 101.8390 101.4790
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 58357.25720845
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR8799
HIERARCH ESO INS SOBJ NAME HR8799e
RA 346.87252
DEC 21.13405
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 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 46.691
HIERARCH ESO ISS PBL12 END 47.1
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 88.136
HIERARCH ESO ISS PBL13 END 88.891
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.489
HIERARCH ESO ISS PBL14 END 127.979
HIERARCH ESO ISS PBLA14 START 65.722
HIERARCH ESO ISS PBLA14 END 65.348
HIERARCH ESO ISS PBL23 START 42.002
HIERARCH ESO ISS PBL23 END 42.328
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.263
HIERARCH ESO ISS PBL24 END 89.129
HIERARCH ESO ISS PBLA24 START 80.162
HIERARCH ESO ISS PBLA24 END 79.672
HIERARCH ESO ISS PBL34 START 56.93
HIERARCH ESO ISS PBL34 END 56.38
HIERARCH ESO ISS PBLA34 START 101.839
HIERARCH ESO ISS PBLA34 END 101.479
HIERARCH ESO ISS AMBI TAU0 START 0.005326
HIERARCH ESO ISS AMBI TAU0 END 0.005831
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.76
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.720
HIERARCH ESO FT ROBJ DELTA 210803.300