Exposure
ID
GRAVI.2021-12-27T04:53:54.093_1
Header ID
GRAVI.2021-12-27T04:53:54.093
Date updated
2021-12-27 05:06:16 UTC+0000
Release date
2022-12-27 05:06:16 UTC+0000
UTC Start
2021-12-27 04:53:54.093
UTC End
2021-12-27 04:57:54.093
MJD Start
59575.2040983
MJD End
59575.2068760778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.011009
Ambient temperature (°C)
14.82
Seeing (arcsec)
0.43
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 64.8640 65.4990 66.8000 67.9000
A0-J2 110.9000 111.3950 42.7000 43.8000
A0-K0 123.4340 123.5980 26.0040 27.0210
G1-J2 58.1370 58.1460 15.5000 16.4000
G1-K0 85.5990 85.6180 356.3080 356.9590
J2-K0 36.1560 36.3620 324.4080 324.8150
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 59575.2040983
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 64.864
HIERARCH ESO ISS PBL12 END 65.499
HIERARCH ESO ISS PBLA12 START 66.8
HIERARCH ESO ISS PBLA12 END 67.9
HIERARCH ESO ISS PBL13 START 110.9
HIERARCH ESO ISS PBL13 END 111.395
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 43.8
HIERARCH ESO ISS PBL14 START 123.434
HIERARCH ESO ISS PBL14 END 123.598
HIERARCH ESO ISS PBLA14 START 26.004
HIERARCH ESO ISS PBLA14 END 27.021
HIERARCH ESO ISS PBL23 START 58.137
HIERARCH ESO ISS PBL23 END 58.146
HIERARCH ESO ISS PBLA23 START 15.5
HIERARCH ESO ISS PBLA23 END 16.4
HIERARCH ESO ISS PBL24 START 85.599
HIERARCH ESO ISS PBL24 END 85.618
HIERARCH ESO ISS PBLA24 START 356.308
HIERARCH ESO ISS PBLA24 END 356.959
HIERARCH ESO ISS PBL34 START 36.156
HIERARCH ESO ISS PBL34 END 36.362
HIERARCH ESO ISS PBLA34 START 324.408
HIERARCH ESO ISS PBLA34 END 324.815
HIERARCH ESO ISS AMBI TAU0 START 0.011151
HIERARCH ESO ISS AMBI TAU0 END 0.010867
HIERARCH ESO ISS AMBI TEMP 14.82
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.46