Exposure
ID
GRAVI.2021-10-12T05:26:48.990_1
Header ID
GRAVI.2021-10-12T05:26:48.990
Date updated
2021-10-12 05:36:30 UTC+0000
Release date
2022-10-12 05:36:30 UTC+0000
UTC Start
2021-10-12 05:26:48.990
UTC End
2021-10-12 05:30:48.990
MJD Start
59499.2269559
MJD End
59499.2297336778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0044865
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.51
Observation
ID
48489
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36349
Name
HD16646
RA
40.137859
DEC
18.5999
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8940 68.0220 273.8000 273.4000
K0-D0 89.9650 90.5280 258.0000 257.8000
K0-J3 47.3820 47.0540 323.0790 323.2710
G2-D0 30.7390 31.0350 221.2000 221.5000
G2-J3 51.5690 52.0850 49.6230 49.7660
D0-J3 82.1030 82.9190 46.4970 46.6920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59499.2269559
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137859
DEC 18.5999
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.894
HIERARCH ESO ISS PBL12 END 68.022
HIERARCH ESO ISS PBLA12 START 273.8
HIERARCH ESO ISS PBLA12 END 273.4
HIERARCH ESO ISS PBL13 START 89.965
HIERARCH ESO ISS PBL13 END 90.528
HIERARCH ESO ISS PBLA13 START 258.0
HIERARCH ESO ISS PBLA13 END 257.8
HIERARCH ESO ISS PBL14 START 47.382
HIERARCH ESO ISS PBL14 END 47.054
HIERARCH ESO ISS PBLA14 START 323.079
HIERARCH ESO ISS PBLA14 END 323.271
HIERARCH ESO ISS PBL23 START 30.739
HIERARCH ESO ISS PBL23 END 31.035
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.5
HIERARCH ESO ISS PBL24 START 51.569
HIERARCH ESO ISS PBL24 END 52.085
HIERARCH ESO ISS PBLA24 START 49.623
HIERARCH ESO ISS PBLA24 END 49.766
HIERARCH ESO ISS PBL34 START 82.103
HIERARCH ESO ISS PBL34 END 82.919
HIERARCH ESO ISS PBLA34 START 46.497
HIERARCH ESO ISS PBLA34 END 46.692
HIERARCH ESO ISS AMBI TAU0 START 0.004826
HIERARCH ESO ISS AMBI TAU0 END 0.004147
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.54