Exposure
ID
GRAVI.2022-09-07T04:43:51.379_1
Header ID
GRAVI.2022-09-07T04:43:51.379
Date updated
2022-09-07 04:55:40 UTC+0000
Release date
2023-09-07 04:55:39 UTC+0000
UTC Start
2022-09-07 04:43:51.379
UTC End
2022-09-07 04:46:15.379
MJD Start
59829.19712244
MJD End
59829.19878910666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.001523
Ambient temperature (°C)
9.46
Seeing (arcsec)
0.925
Observation
ID
52328
Category
science
Program ID
109.2310.003
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
38920
Name
WDS_J20452-3120C
RA
310.462395
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 84.5240 84.2990 138.4000 139.0000
A0-J2 112.9580 112.3590 114.4000 114.9000
A0-K0 108.1250 107.4070 89.2530 89.6240
G1-J2 49.6470 49.3460 70.5000 70.7000
G1-K0 82.9660 82.7280 38.8330 39.0050
J2-K0 48.3160 48.3090 6.2140 6.5190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.2310.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59829.19712244
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME ATMic
HIERARCH ESO INS SOBJ NAME WDS_J20452-3120C
RA 310.462395
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 84.524
HIERARCH ESO ISS PBL12 END 84.299
HIERARCH ESO ISS PBLA12 START 138.4
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 112.958
HIERARCH ESO ISS PBL13 END 112.359
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 114.9
HIERARCH ESO ISS PBL14 START 108.125
HIERARCH ESO ISS PBL14 END 107.407
HIERARCH ESO ISS PBLA14 START 89.253
HIERARCH ESO ISS PBLA14 END 89.624
HIERARCH ESO ISS PBL23 START 49.647
HIERARCH ESO ISS PBL23 END 49.346
HIERARCH ESO ISS PBLA23 START 70.5
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 82.966
HIERARCH ESO ISS PBL24 END 82.728
HIERARCH ESO ISS PBLA24 START 38.833
HIERARCH ESO ISS PBLA24 END 39.005
HIERARCH ESO ISS PBL34 START 48.316
HIERARCH ESO ISS PBL34 END 48.309
HIERARCH ESO ISS PBLA34 START 6.214
HIERARCH ESO ISS PBLA34 END 6.519
HIERARCH ESO ISS AMBI TAU0 START 0.001536
HIERARCH ESO ISS AMBI TAU0 END 0.00151
HIERARCH ESO ISS AMBI TEMP 9.46
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.92
HIERARCH ESO FT ROBJ NAME WDS_J20452-3120B
HIERARCH ESO FT ROBJ ALPHA 204151.1590
HIERARCH ESO FT ROBJ DELTA -322606.8281