Exposure
ID
GRAVI.2022-10-01T02:31:19.736_1
Header ID
GRAVI.2022-10-01T02:31:19.736
Date updated
2022-10-01 02:45:44 UTC+0000
Release date
2023-10-01 02:45:43 UTC+0000
UTC Start
2022-10-01 02:31:19.736
UTC End
2022-10-01 02:33:43.736
MJD Start
59853.10508954
MJD End
59853.1067562067
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0040535
Ambient temperature (°C)
11.88
Seeing (arcsec)
0.5
Observation
ID
52581
Category
science
Program ID
109.2310.004
Program Title
ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS WITH GRAVITY
Program Type
GTO
PI / COI
BOURDAROT/ EISENHAUER/ GILLESSEN/ PFUHL/ LACOUR/ PERRIN/ KERVELLA/ BRANDNER/ GARCIA/ STRAUBMEIER/ WIDMANN/ ROUSSELET-PERRAUT/ STURM/ SHANGGUAN
Target
ID
39078
Name
WDS_J20452-3120C
RA
310.4624
DEC
-32.43719
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.3300 87.1410 131.4000 131.9000
A0-J2 120.2150 119.7370 107.9000 108.3000
A0-K0 116.6580 116.1030 84.3700 84.7230
G1-J2 53.2030 52.9720 66.9000 67.2000
G1-K0 85.7560 85.5760 36.1760 36.3920
J2-K0 48.3710 48.3690 1.9950 2.3100
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.2310.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59853.10508954
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME ATMic
HIERARCH ESO INS SOBJ NAME WDS_J20452-3120C
RA 310.4624
DEC -32.43719
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 87.33
HIERARCH ESO ISS PBL12 END 87.141
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 120.215
HIERARCH ESO ISS PBL13 END 119.737
HIERARCH ESO ISS PBLA13 START 107.9
HIERARCH ESO ISS PBLA13 END 108.3
HIERARCH ESO ISS PBL14 START 116.658
HIERARCH ESO ISS PBL14 END 116.103
HIERARCH ESO ISS PBLA14 START 84.37
HIERARCH ESO ISS PBLA14 END 84.723
HIERARCH ESO ISS PBL23 START 53.203
HIERARCH ESO ISS PBL23 END 52.972
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 67.2
HIERARCH ESO ISS PBL24 START 85.756
HIERARCH ESO ISS PBL24 END 85.576
HIERARCH ESO ISS PBLA24 START 36.176
HIERARCH ESO ISS PBLA24 END 36.392
HIERARCH ESO ISS PBL34 START 48.371
HIERARCH ESO ISS PBL34 END 48.369
HIERARCH ESO ISS PBLA34 START 1.995
HIERARCH ESO ISS PBLA34 END 2.31
HIERARCH ESO ISS AMBI TAU0 START 0.003653
HIERARCH ESO ISS AMBI TAU0 END 0.004454
HIERARCH ESO ISS AMBI TEMP 11.88
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME WDS_J20452-3120B
HIERARCH ESO FT ROBJ ALPHA 204151.159
HIERARCH ESO FT ROBJ DELTA -322606.828