Exposure
ID
GRAVI.2021-11-18T01:34:56.538_1
Header ID
GRAVI.2021-11-18T01:34:56.538
Date updated
2021-11-18 01:46:12 UTC+0000
Release date
2022-11-18 01:46:12 UTC+0000
UTC Start
2021-11-18 01:34:56.538
UTC End
2021-11-18 01:37:20.538
MJD Start
59536.06593215
MJD End
59536.0675988167
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005039
Ambient temperature (°C)
11.89
Seeing (arcsec)
0.62
Observation
ID
48906
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
36614
Name
WDS_J20452-3120B
RA
310.462314
DEC
-32.43714
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 77.2830 77.1170 159.9000 160.6000
A0-J2 90.4550 89.7940 136.2000 137.1000
A0-K0 78.2350 77.2110 104.3500 104.9240
G1-J2 36.7120 36.2490 78.6000 78.9000
G1-K0 72.4690 72.0840 42.7990 42.8470
J2-K0 47.8120 47.7860 16.0750 16.3430
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 59536.06593215
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME ATMic
HIERARCH ESO INS SOBJ NAME WDS_J20452-3120B
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 77.283
HIERARCH ESO ISS PBL12 END 77.117
HIERARCH ESO ISS PBLA12 START 159.9
HIERARCH ESO ISS PBLA12 END 160.6
HIERARCH ESO ISS PBL13 START 90.455
HIERARCH ESO ISS PBL13 END 89.794
HIERARCH ESO ISS PBLA13 START 136.2
HIERARCH ESO ISS PBLA13 END 137.1
HIERARCH ESO ISS PBL14 START 78.235
HIERARCH ESO ISS PBL14 END 77.211
HIERARCH ESO ISS PBLA14 START 104.35
HIERARCH ESO ISS PBLA14 END 104.924
HIERARCH ESO ISS PBL23 START 36.712
HIERARCH ESO ISS PBL23 END 36.249
HIERARCH ESO ISS PBLA23 START 78.6
HIERARCH ESO ISS PBLA23 END 78.9
HIERARCH ESO ISS PBL24 START 72.469
HIERARCH ESO ISS PBL24 END 72.084
HIERARCH ESO ISS PBLA24 START 42.799
HIERARCH ESO ISS PBLA24 END 42.847
HIERARCH ESO ISS PBL34 START 47.812
HIERARCH ESO ISS PBL34 END 47.786
HIERARCH ESO ISS PBLA34 START 16.075
HIERARCH ESO ISS PBLA34 END 16.343
HIERARCH ESO ISS AMBI TAU0 START 0.005147
HIERARCH ESO ISS AMBI TAU0 END 0.004931
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.61
HIERARCH ESO FT ROBJ NAME WDS_J20452-3120C
HIERARCH ESO FT ROBJ ALPHA 204151.2685
HIERARCH ESO FT ROBJ DELTA -322607.7719