Exposure
ID
GRAVI.2021-11-18T05:00:36.055_2
Header ID
GRAVI.2021-11-18T05:00:36.055
Date updated
2021-11-18 05:16:00 UTC+0000
Release date
2022-11-18 05:16:00 UTC+0000
UTC Start
2021-11-18 05:00:36.055
UTC End
2021-11-18 05:04:36.055
MJD Start
59536.20875064
MJD End
59536.2115284178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003639
Ambient temperature (°C)
10.84
Seeing (arcsec)
0.965
Observation
ID
48916
Category
science
Program ID
108.22EZ.002
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
35962
Name
HD142A
RA
1.57989583333333
DEC
-49.0751891666667
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.1100 87.0230 162.7000 163.7000
A0-J2 108.5390 108.0580 145.4000 146.6000
A0-K0 89.0150 88.0720 122.6170 123.8210
G1-J2 36.2310 35.6810 99.8000 100.8000
G1-K0 60.3840 59.7110 54.3740 54.7220
J2-K0 43.4900 43.4070 17.9220 18.3920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.22EZ.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59536.20875064
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142B
RA 1.580677
DEC -49.0759
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 87.11
HIERARCH ESO ISS PBL12 END 87.023
HIERARCH ESO ISS PBLA12 START 162.7
HIERARCH ESO ISS PBLA12 END 163.7
HIERARCH ESO ISS PBL13 START 108.539
HIERARCH ESO ISS PBL13 END 108.058
HIERARCH ESO ISS PBLA13 START 145.4
HIERARCH ESO ISS PBLA13 END 146.6
HIERARCH ESO ISS PBL14 START 89.015
HIERARCH ESO ISS PBL14 END 88.072
HIERARCH ESO ISS PBLA14 START 122.617
HIERARCH ESO ISS PBLA14 END 123.821
HIERARCH ESO ISS PBL23 START 36.231
HIERARCH ESO ISS PBL23 END 35.681
HIERARCH ESO ISS PBLA23 START 99.8
HIERARCH ESO ISS PBLA23 END 100.8
HIERARCH ESO ISS PBL24 START 60.384
HIERARCH ESO ISS PBL24 END 59.711
HIERARCH ESO ISS PBLA24 START 54.374
HIERARCH ESO ISS PBLA24 END 54.722
HIERARCH ESO ISS PBL34 START 43.49
HIERARCH ESO ISS PBL34 END 43.407
HIERARCH ESO ISS PBLA34 START 17.922
HIERARCH ESO ISS PBLA34 END 18.392
HIERARCH ESO ISS AMBI TAU0 START 0.003955
HIERARCH ESO ISS AMBI TAU0 END 0.003323
HIERARCH ESO ISS AMBI TEMP 10.84
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 0.92
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.175
HIERARCH ESO FT ROBJ DELTA -490430.681