Exposure
ID
GRAVI.2021-12-27T05:14:57.146_1
Header ID
GRAVI.2021-12-27T05:14:57.146
Date updated
2021-12-27 05:25:35 UTC+0000
Release date
2022-12-27 05:25:35 UTC+0000
UTC Start
2021-12-27 05:14:57.146
UTC End
2021-12-27 05:18:57.146
MJD Start
59575.21871697
MJD End
59575.2214947478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.014429
Ambient temperature (°C)
14.22
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 67.9760 68.5980 72.1000 73.1000
A0-J2 113.3730 113.8810 48.2000 49.3000
A0-K0 124.2650 124.4380 30.9810 31.9770
G1-J2 58.1820 58.1900 19.9000 20.8000
G1-K0 85.6570 85.6570 359.5200 0.1710
J2-K0 37.1380 37.3270 326.4490 326.8730
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 59575.21871697
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 67.976
HIERARCH ESO ISS PBL12 END 68.598
HIERARCH ESO ISS PBLA12 START 72.1
HIERARCH ESO ISS PBLA12 END 73.1
HIERARCH ESO ISS PBL13 START 113.373
HIERARCH ESO ISS PBL13 END 113.881
HIERARCH ESO ISS PBLA13 START 48.2
HIERARCH ESO ISS PBLA13 END 49.3
HIERARCH ESO ISS PBL14 START 124.265
HIERARCH ESO ISS PBL14 END 124.438
HIERARCH ESO ISS PBLA14 START 30.981
HIERARCH ESO ISS PBLA14 END 31.977
HIERARCH ESO ISS PBL23 START 58.182
HIERARCH ESO ISS PBL23 END 58.19
HIERARCH ESO ISS PBLA23 START 19.9
HIERARCH ESO ISS PBLA23 END 20.8
HIERARCH ESO ISS PBL24 START 85.657
HIERARCH ESO ISS PBL24 END 85.657
HIERARCH ESO ISS PBLA24 START 359.52
HIERARCH ESO ISS PBLA24 END 0.171
HIERARCH ESO ISS PBL34 START 37.138
HIERARCH ESO ISS PBL34 END 37.327
HIERARCH ESO ISS PBLA34 START 326.449
HIERARCH ESO ISS PBLA34 END 326.873
HIERARCH ESO ISS AMBI TAU0 START 0.013039
HIERARCH ESO ISS AMBI TAU0 END 0.015819
HIERARCH ESO ISS AMBI TEMP 14.22
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.33