Exposure
ID
GRAVI.2019-09-12T05:01:13.140_1
Header ID
GRAVI.2019-09-12T05:01:13.140
Date updated
2019-09-24 07:26:01 UTC+0000
Release date
2020-09-16 11:14:49 UTC+0000
UTC Start
2019-09-12 05:01:13.140
UTC End
2019-09-12 05:06:33.140
MJD Start
58738.20917986
MJD End
58738.2128835637
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0013965
Ambient temperature (°C)
8.45
Seeing (arcsec)
1.845
Observation
ID
43418
Category
science
Program ID
0103.C-0649(A)
Program Title
GRAVITY TO INVESTIGATE THE NATURE OF THREE EXOPLANETS: $BETA$ PIC B, HR 8799 E, AND PDS 70 B
Program Type
GTO
PI / COI
LACOUR/ NOWAK/ WANG/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ PERRIN/ KERVELLA/ EISENHAUER/ PAUMARD/ PFUHL/ PERRAUT/ HENNING/ GARCIA LOPEZ/ VIGAN/ ...
Target
ID
32939
Name
HR8799
RA
346.872145
DEC
21.13393
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 46.1100 46.5650 37.0000 37.2000
U1-U3 87.0540 87.9030 43.3000 43.3000
U1-U4 126.7260 127.3320 66.2330 65.8370
U2-U3 41.5290 41.9010 50.2000 50.1000
U2-U4 89.3840 89.2960 80.8370 80.3110
U3-U4 57.6500 57.0890 102.3450 101.9490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.C-0649(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 58738.20917986
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HR8799
HIERARCH ESO INS SOBJ NAME HR8799
RA 346.872145
DEC 21.13393
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 46.11
HIERARCH ESO ISS PBL12 END 46.565
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.054
HIERARCH ESO ISS PBL13 END 87.903
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.726
HIERARCH ESO ISS PBL14 END 127.332
HIERARCH ESO ISS PBLA14 START 66.233
HIERARCH ESO ISS PBLA14 END 65.837
HIERARCH ESO ISS PBL23 START 41.529
HIERARCH ESO ISS PBL23 END 41.901
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.384
HIERARCH ESO ISS PBL24 END 89.296
HIERARCH ESO ISS PBLA24 START 80.837
HIERARCH ESO ISS PBLA24 END 80.311
HIERARCH ESO ISS PBL34 START 57.65
HIERARCH ESO ISS PBL34 END 57.089
HIERARCH ESO ISS PBLA34 START 102.345
HIERARCH ESO ISS PBLA34 END 101.949
HIERARCH ESO ISS AMBI TAU0 START 0.001548
HIERARCH ESO ISS AMBI TAU0 END 0.001245
HIERARCH ESO ISS AMBI TEMP 8.45
HIERARCH ESO ISS AMBI FWHM START 1.79
HIERARCH ESO ISS AMBI FWHM END 1.9
HIERARCH ESO FT ROBJ NAME HR8799
HIERARCH ESO FT ROBJ ALPHA 230728.715
HIERARCH ESO FT ROBJ DELTA +210803.302