Exposure
ID
GRAVI.2021-12-27T05:37:24.203_1
Header ID
GRAVI.2021-12-27T05:37:24.203
Date updated
2021-12-27 05:50:34 UTC+0000
Release date
2022-12-27 05:50:34 UTC+0000
UTC Start
2021-12-27 05:37:24.203
UTC End
2021-12-27 05:41:24.203
MJD Start
59575.23430791
MJD End
59575.2370856878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0130015
Ambient temperature (°C)
14.06
Seeing (arcsec)
0.355
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 71.1930 71.7880 77.4000 78.4000
A0-J2 116.0380 116.5400 53.8000 54.9000
A0-K0 125.1780 125.3490 36.1630 37.1330
G1-J2 58.2180 58.2220 24.5000 25.4000
G1-K0 85.6200 85.6020 2.9430 3.5940
J2-K0 38.0920 38.2620 328.7120 329.1520
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 59575.23430791
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 71.193
HIERARCH ESO ISS PBL12 END 71.788
HIERARCH ESO ISS PBLA12 START 77.4
HIERARCH ESO ISS PBLA12 END 78.4
HIERARCH ESO ISS PBL13 START 116.038
HIERARCH ESO ISS PBL13 END 116.54
HIERARCH ESO ISS PBLA13 START 53.8
HIERARCH ESO ISS PBLA13 END 54.9
HIERARCH ESO ISS PBL14 START 125.178
HIERARCH ESO ISS PBL14 END 125.349
HIERARCH ESO ISS PBLA14 START 36.163
HIERARCH ESO ISS PBLA14 END 37.133
HIERARCH ESO ISS PBL23 START 58.218
HIERARCH ESO ISS PBL23 END 58.222
HIERARCH ESO ISS PBLA23 START 24.5
HIERARCH ESO ISS PBLA23 END 25.4
HIERARCH ESO ISS PBL24 START 85.62
HIERARCH ESO ISS PBL24 END 85.602
HIERARCH ESO ISS PBLA24 START 2.943
HIERARCH ESO ISS PBLA24 END 3.594
HIERARCH ESO ISS PBL34 START 38.092
HIERARCH ESO ISS PBL34 END 38.262
HIERARCH ESO ISS PBLA34 START 328.712
HIERARCH ESO ISS PBLA34 END 329.152
HIERARCH ESO ISS AMBI TAU0 START 0.01312
HIERARCH ESO ISS AMBI TAU0 END 0.012883
HIERARCH ESO ISS AMBI TEMP 14.06
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.35