Exposure
ID
GRAVI.2021-12-27T05:53:51.245_1
Header ID
GRAVI.2021-12-27T05:53:51.245
Date updated
2021-12-27 06:05:57 UTC+0000
Release date
2022-12-27 06:05:57 UTC+0000
UTC Start
2021-12-27 05:53:51.245
UTC End
2021-12-27 05:57:51.245
MJD Start
59575.245732
MJD End
59575.2485097778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0132705
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.35
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 73.4560 74.0230 81.1000 82.0000
A0-J2 117.9600 118.4450 57.8000 58.8000
A0-K0 125.8300 125.9920 39.8860 40.8340
G1-J2 58.2260 58.2250 27.9000 28.8000
G1-K0 85.5290 85.4970 5.4540 6.1010
J2-K0 38.7320 38.8890 330.4280 330.8780
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 59575.245732
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 73.456
HIERARCH ESO ISS PBL12 END 74.023
HIERARCH ESO ISS PBLA12 START 81.1
HIERARCH ESO ISS PBLA12 END 82.0
HIERARCH ESO ISS PBL13 START 117.96
HIERARCH ESO ISS PBL13 END 118.445
HIERARCH ESO ISS PBLA13 START 57.8
HIERARCH ESO ISS PBLA13 END 58.8
HIERARCH ESO ISS PBL14 START 125.83
HIERARCH ESO ISS PBL14 END 125.992
HIERARCH ESO ISS PBLA14 START 39.886
HIERARCH ESO ISS PBLA14 END 40.834
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.225
HIERARCH ESO ISS PBLA23 START 27.9
HIERARCH ESO ISS PBLA23 END 28.8
HIERARCH ESO ISS PBL24 START 85.529
HIERARCH ESO ISS PBL24 END 85.497
HIERARCH ESO ISS PBLA24 START 5.454
HIERARCH ESO ISS PBLA24 END 6.101
HIERARCH ESO ISS PBL34 START 38.732
HIERARCH ESO ISS PBL34 END 38.889
HIERARCH ESO ISS PBLA34 START 330.428
HIERARCH ESO ISS PBLA34 END 330.878
HIERARCH ESO ISS AMBI TAU0 START 0.013294
HIERARCH ESO ISS AMBI TAU0 END 0.013247
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.35