Exposure
ID
GRAVI.2018-08-27T05:35:43.722_2
Header ID
GRAVI.2018-08-27T05:35:43.722
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 05:35:43.722
UTC End
2018-08-27 05:40:43.722
MJD Start
58357.23314493
MJD End
58357.2366171522
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0044655
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.77
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 43.8500 44.2920 35.5000 35.8000
U1-U3 82.7050 83.5700 42.6000 42.7000
U1-U4 122.9870 123.8080 67.9890 67.6690
U2-U3 39.5550 39.9560 50.4000 50.4000
U2-U4 89.1510 89.2810 83.2990 82.8340
U3-U4 59.9190 59.5410 104.3060 103.9220
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 58357.23314493
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 43.85
HIERARCH ESO ISS PBL12 END 44.292
HIERARCH ESO ISS PBLA12 START 35.5
HIERARCH ESO ISS PBLA12 END 35.8
HIERARCH ESO ISS PBL13 START 82.705
HIERARCH ESO ISS PBL13 END 83.57
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 122.987
HIERARCH ESO ISS PBL14 END 123.808
HIERARCH ESO ISS PBLA14 START 67.989
HIERARCH ESO ISS PBLA14 END 67.669
HIERARCH ESO ISS PBL23 START 39.555
HIERARCH ESO ISS PBL23 END 39.956
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.151
HIERARCH ESO ISS PBL24 END 89.281
HIERARCH ESO ISS PBLA24 START 83.299
HIERARCH ESO ISS PBLA24 END 82.834
HIERARCH ESO ISS PBL34 START 59.919
HIERARCH ESO ISS PBL34 END 59.541
HIERARCH ESO ISS PBLA34 START 104.306
HIERARCH ESO ISS PBLA34 END 103.922
HIERARCH ESO ISS AMBI TAU0 START 0.004437
HIERARCH ESO ISS AMBI TAU0 END 0.004494
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.72
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.720
HIERARCH ESO FT ROBJ DELTA 210803.300