Exposure
ID
GRAVI.2021-11-18T01:48:59.573_2
Header ID
GRAVI.2021-11-18T01:48:59.573
Date updated
2021-11-18 02:00:53 UTC+0000
Release date
2022-11-18 02:00:53 UTC+0000
UTC Start
2021-11-18 01:48:59.573
UTC End
2021-11-18 01:51:23.573
MJD Start
59536.0756895
MJD End
59536.0773561667
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0056255
Ambient temperature (°C)
11.59
Seeing (arcsec)
0.585
Observation
ID
48908
Category
science
Program ID
108.22EZ.002
Program Title
ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS WITH GRAVITY
Program Type
GTO
PI / COI
EISENHAUER/ BOURDAROT/ PFUHL/ GILLESSEN/ LACOUR/ PERRIN/ KERVELLA/ BRANDNER/ GARCIA/ STRAUBMEIER/ WIDMANN/ ROUSSELET-PERRAUT/ STURM
Target
ID
36616
Name
WDS_J20452-3120B
RA
310.463160416667
DEC
-32.43523
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.5060 76.3670 163.5000 164.3000
A0-J2 87.2190 86.5960 140.5000 141.3000
A0-K0 73.0830 72.0450 107.3420 107.9790
G1-J2 34.3620 33.8810 79.8000 80.0000
G1-K0 70.5100 70.1080 42.9950 43.0190
J2-K0 47.6730 47.6420 17.4020 17.6610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.22EZ.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59536.0756895
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME ATMic
HIERARCH ESO INS SOBJ NAME WDS_J20452-3120C
RA 310.462314
DEC -32.43714
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 76.506
HIERARCH ESO ISS PBL12 END 76.367
HIERARCH ESO ISS PBLA12 START 163.5
HIERARCH ESO ISS PBLA12 END 164.3
HIERARCH ESO ISS PBL13 START 87.219
HIERARCH ESO ISS PBL13 END 86.596
HIERARCH ESO ISS PBLA13 START 140.5
HIERARCH ESO ISS PBLA13 END 141.3
HIERARCH ESO ISS PBL14 START 73.083
HIERARCH ESO ISS PBL14 END 72.045
HIERARCH ESO ISS PBLA14 START 107.342
HIERARCH ESO ISS PBLA14 END 107.979
HIERARCH ESO ISS PBL23 START 34.362
HIERARCH ESO ISS PBL23 END 33.881
HIERARCH ESO ISS PBLA23 START 79.8
HIERARCH ESO ISS PBLA23 END 80.0
HIERARCH ESO ISS PBL24 START 70.51
HIERARCH ESO ISS PBL24 END 70.108
HIERARCH ESO ISS PBLA24 START 42.995
HIERARCH ESO ISS PBLA24 END 43.019
HIERARCH ESO ISS PBL34 START 47.673
HIERARCH ESO ISS PBL34 END 47.642
HIERARCH ESO ISS PBLA34 START 17.402
HIERARCH ESO ISS PBLA34 END 17.661
HIERARCH ESO ISS AMBI TAU0 START 0.00603
HIERARCH ESO ISS AMBI TAU0 END 0.005221
HIERARCH ESO ISS AMBI TEMP 11.59
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.65
HIERARCH ESO FT ROBJ NAME WDS_J20452-3120B
HIERARCH ESO FT ROBJ ALPHA 204151.1585
HIERARCH ESO FT ROBJ DELTA -322606.8280