Exposure
ID
GRAVI.2021-11-18T01:19:53.500_2
Header ID
GRAVI.2021-11-18T01:19:53.500
Date updated
2021-11-18 01:31:22 UTC+0000
Release date
2022-11-18 01:31:21 UTC+0000
UTC Start
2021-11-18 01:19:53.500
UTC End
2021-11-18 01:22:17.500
MJD Start
59536.05548032
MJD End
59536.0571469867
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0056505
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.565
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 78.2440 78.0550 156.1000 156.8000
A0-J2 94.0560 93.3730 132.0000 132.8000
A0-K0 83.5930 82.6020 101.4650 101.9860
G1-J2 39.1090 38.6690 77.4000 77.6000
G1-K0 74.4530 74.0890 42.4640 42.5370
J2-K0 47.9390 47.9170 14.6120 14.8900
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 59536.05548032
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 78.244
HIERARCH ESO ISS PBL12 END 78.055
HIERARCH ESO ISS PBLA12 START 156.1
HIERARCH ESO ISS PBLA12 END 156.8
HIERARCH ESO ISS PBL13 START 94.056
HIERARCH ESO ISS PBL13 END 93.373
HIERARCH ESO ISS PBLA13 START 132.0
HIERARCH ESO ISS PBLA13 END 132.8
HIERARCH ESO ISS PBL14 START 83.593
HIERARCH ESO ISS PBL14 END 82.602
HIERARCH ESO ISS PBLA14 START 101.465
HIERARCH ESO ISS PBLA14 END 101.986
HIERARCH ESO ISS PBL23 START 39.109
HIERARCH ESO ISS PBL23 END 38.669
HIERARCH ESO ISS PBLA23 START 77.4
HIERARCH ESO ISS PBLA23 END 77.6
HIERARCH ESO ISS PBL24 START 74.453
HIERARCH ESO ISS PBL24 END 74.089
HIERARCH ESO ISS PBLA24 START 42.464
HIERARCH ESO ISS PBLA24 END 42.537
HIERARCH ESO ISS PBL34 START 47.939
HIERARCH ESO ISS PBL34 END 47.917
HIERARCH ESO ISS PBLA34 START 14.612
HIERARCH ESO ISS PBLA34 END 14.89
HIERARCH ESO ISS AMBI TAU0 START 0.004658
HIERARCH ESO ISS AMBI TAU0 END 0.006643
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.55
HIERARCH ESO FT ROBJ NAME WDS_J20452-3120B
HIERARCH ESO FT ROBJ ALPHA 204151.1585
HIERARCH ESO FT ROBJ DELTA -322606.8280