Exposure
ID
GRAVI.2021-09-28T04:17:21.361_1
Header ID
GRAVI.2021-09-28T04:17:21.361
Date updated
2021-09-28 04:27:01 UTC+0000
Release date
2022-09-28 04:27:01 UTC+0000
UTC Start
2021-09-28 04:17:21.361
UTC End
2021-09-28 04:18:25.361
MJD Start
59485.17871946
MJD End
59485.1794602007
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.00241
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.95
Observation
ID
48353
Category
science
Program ID
105.20T0.001
Program Title
THE FIRST DIRECT DETECTION OF A RADIAL VELOCITY EXOPLANET
Program Type
Normal
PI / COI
HINKLEY/ LACOUR
Target
ID
36264
Name
hr8799e
RA
346.872438
DEC
21.13403
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 47.7440 47.8500 37.7000 37.7000
U1-U3 90.0690 90.2590 43.4000 43.4000
U1-U4 128.6680 128.7690 64.7260 64.6210
U2-U3 42.8290 42.9090 49.8000 49.8000
U2-U4 88.8290 88.7700 78.8660 78.7320
U3-U4 55.4320 55.2690 100.8960 100.8010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20T0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59485.17871946
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR8799
HIERARCH ESO INS SOBJ NAME hr8799e
RA 346.872438
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 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 47.744
HIERARCH ESO ISS PBL12 END 47.85
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 90.069
HIERARCH ESO ISS PBL13 END 90.259
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.668
HIERARCH ESO ISS PBL14 END 128.769
HIERARCH ESO ISS PBLA14 START 64.726
HIERARCH ESO ISS PBLA14 END 64.621
HIERARCH ESO ISS PBL23 START 42.829
HIERARCH ESO ISS PBL23 END 42.909
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.829
HIERARCH ESO ISS PBL24 END 88.77
HIERARCH ESO ISS PBLA24 START 78.866
HIERARCH ESO ISS PBLA24 END 78.732
HIERARCH ESO ISS PBL34 START 55.432
HIERARCH ESO ISS PBL34 END 55.269
HIERARCH ESO ISS PBLA34 START 100.896
HIERARCH ESO ISS PBLA34 END 100.801
HIERARCH ESO ISS AMBI TAU0 START 0.00241
HIERARCH ESO ISS AMBI TAU0 END 0.00241
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.715
HIERARCH ESO FT ROBJ DELTA 210803.302