Exposure
ID
GRAVI.2018-08-27T06:38:13.881_1
Header ID
GRAVI.2018-08-27T06:38:13.881
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 06:38:13.881
UTC End
2018-08-27 06:43:13.881
MJD Start
58357.27654955
MJD End
58357.2800217722
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0061875
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.75
Observation
ID
42518
Category
science
Program ID
60.A-9102(G)
Program Title
GRAVITY COMMISSIONING
Program Type
Normal
PI / COI
GRAVITYTEAM, G
Target
ID
32152
Name
HR8799e
RA
346.87252
DEC
21.13405
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 48.7950 49.1640 38.0000 38.1000
U1-U3 91.9430 92.5900 43.4000 43.3000
U1-U4 129.5340 129.7620 63.6210 63.1990
U2-U3 43.6030 43.8630 49.4000 49.2000
U2-U4 88.1010 87.7660 77.4810 76.9590
U3-U4 53.7070 53.0300 99.9480 99.6010
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 58357.27654955
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 48.795
HIERARCH ESO ISS PBL12 END 49.164
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 91.943
HIERARCH ESO ISS PBL13 END 92.59
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.534
HIERARCH ESO ISS PBL14 END 129.762
HIERARCH ESO ISS PBLA14 START 63.621
HIERARCH ESO ISS PBLA14 END 63.199
HIERARCH ESO ISS PBL23 START 43.603
HIERARCH ESO ISS PBL23 END 43.863
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 88.101
HIERARCH ESO ISS PBL24 END 87.766
HIERARCH ESO ISS PBLA24 START 77.481
HIERARCH ESO ISS PBLA24 END 76.959
HIERARCH ESO ISS PBL34 START 53.707
HIERARCH ESO ISS PBL34 END 53.03
HIERARCH ESO ISS PBLA34 START 99.948
HIERARCH ESO ISS PBLA34 END 99.601
HIERARCH ESO ISS AMBI TAU0 START 0.005966
HIERARCH ESO ISS AMBI TAU0 END 0.006409
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.8
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.720
HIERARCH ESO FT ROBJ DELTA 210803.300