Exposure
ID
GRAVI.2021-12-27T05:06:54.126_1
Header ID
GRAVI.2021-12-27T05:06:54.126
Date updated
2021-12-27 05:20:22 UTC+0000
Release date
2022-12-27 05:20:22 UTC+0000
UTC Start
2021-12-27 05:06:54.126
UTC End
2021-12-27 05:10:54.126
MJD Start
59575.21312646
MJD End
59575.2159042378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0150175
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.335
Observation
ID
49078
Category
science
Program ID
108.22EZ.003
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
36718
Name
TWA22
RA
154.356881
DEC
-53.90738
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 66.7910 67.4200 70.1000 71.2000
A0-J2 112.4180 112.9220 46.1000 47.2000
A0-K0 123.9410 124.1120 29.0870 30.0910
G1-J2 58.1650 58.1740 18.2000 19.1000
G1-K0 85.6450 85.6530 358.2880 358.9400
J2-K0 36.7720 36.9670 325.6580 326.0750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.22EZ.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59575.21312646
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME TWA 22
HIERARCH ESO INS SOBJ NAME TWA22
RA 154.356881
DEC -53.90738
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 66.791
HIERARCH ESO ISS PBL12 END 67.42
HIERARCH ESO ISS PBLA12 START 70.1
HIERARCH ESO ISS PBLA12 END 71.2
HIERARCH ESO ISS PBL13 START 112.418
HIERARCH ESO ISS PBL13 END 112.922
HIERARCH ESO ISS PBLA13 START 46.1
HIERARCH ESO ISS PBLA13 END 47.2
HIERARCH ESO ISS PBL14 START 123.941
HIERARCH ESO ISS PBL14 END 124.112
HIERARCH ESO ISS PBLA14 START 29.087
HIERARCH ESO ISS PBLA14 END 30.091
HIERARCH ESO ISS PBL23 START 58.165
HIERARCH ESO ISS PBL23 END 58.174
HIERARCH ESO ISS PBLA23 START 18.2
HIERARCH ESO ISS PBLA23 END 19.1
HIERARCH ESO ISS PBL24 START 85.645
HIERARCH ESO ISS PBL24 END 85.653
HIERARCH ESO ISS PBLA24 START 358.288
HIERARCH ESO ISS PBLA24 END 358.94
HIERARCH ESO ISS PBL34 START 36.772
HIERARCH ESO ISS PBL34 END 36.967
HIERARCH ESO ISS PBLA34 START 325.658
HIERARCH ESO ISS PBLA34 END 326.075
HIERARCH ESO ISS AMBI TAU0 START 0.015701
HIERARCH ESO ISS AMBI TAU0 END 0.014334
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.34