Exposure
ID
GRAVI.2021-12-27T05:27:36.178_1
Header ID
GRAVI.2021-12-27T05:27:36.178
Date updated
2021-12-27 05:41:35 UTC+0000
Release date
2022-12-27 05:41:35 UTC+0000
UTC Start
2021-12-27 05:27:36.178
UTC End
2021-12-27 05:31:36.178
MJD Start
59575.22750206
MJD End
59575.2302798378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0151015
Ambient temperature (°C)
14.02
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 69.8090 70.4170 75.1000 76.1000
A0-J2 114.8800 115.3870 51.4000 52.5000
A0-K0 124.7810 124.9550 33.9230 34.9040
G1-J2 58.2050 58.2110 22.5000 23.4000
G1-K0 85.6490 85.6390 1.4530 2.1040
J2-K0 37.6880 37.8670 327.7170 328.1500
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 59575.22750206
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 69.809
HIERARCH ESO ISS PBL12 END 70.417
HIERARCH ESO ISS PBLA12 START 75.1
HIERARCH ESO ISS PBLA12 END 76.1
HIERARCH ESO ISS PBL13 START 114.88
HIERARCH ESO ISS PBL13 END 115.387
HIERARCH ESO ISS PBLA13 START 51.4
HIERARCH ESO ISS PBLA13 END 52.5
HIERARCH ESO ISS PBL14 START 124.781
HIERARCH ESO ISS PBL14 END 124.955
HIERARCH ESO ISS PBLA14 START 33.923
HIERARCH ESO ISS PBLA14 END 34.904
HIERARCH ESO ISS PBL23 START 58.205
HIERARCH ESO ISS PBL23 END 58.211
HIERARCH ESO ISS PBLA23 START 22.5
HIERARCH ESO ISS PBLA23 END 23.4
HIERARCH ESO ISS PBL24 START 85.649
HIERARCH ESO ISS PBL24 END 85.639
HIERARCH ESO ISS PBLA24 START 1.453
HIERARCH ESO ISS PBLA24 END 2.104
HIERARCH ESO ISS PBL34 START 37.688
HIERARCH ESO ISS PBL34 END 37.867
HIERARCH ESO ISS PBLA34 START 327.717
HIERARCH ESO ISS PBLA34 END 328.15
HIERARCH ESO ISS AMBI TAU0 START 0.01526
HIERARCH ESO ISS AMBI TAU0 END 0.014943
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.39