Exposure
ID
GRAVI.2021-11-06T03:14:51.535_1
Header ID
GRAVI.2021-11-06T03:14:51.535
Date updated
2021-11-06 03:26:56 UTC+0000
Release date
2022-11-06 03:26:56 UTC+0000
UTC Start
2021-11-06 03:14:51.535
UTC End
2021-11-06 03:18:51.535
MJD Start
59524.13531869
MJD End
59524.1380964678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002161
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.705
Observation
ID
48767
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
36525
Name
HD16646
RA
40.137858
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 66.1520 66.4420 276.6000 276.3000
K0-D0 84.5580 85.3330 260.1000 259.8000
K0-J3 49.8320 49.5400 322.0180 322.1070
G2-D0 28.3310 28.6390 218.4000 218.8000
G2-J3 47.2220 47.7930 47.9130 48.1890
D0-J3 75.3060 76.1910 44.3300 44.6680
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 59524.13531869
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD16646
HIERARCH ESO INS SOBJ NAME HD16646
RA 40.137858
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 66.152
HIERARCH ESO ISS PBL12 END 66.442
HIERARCH ESO ISS PBLA12 START 276.6
HIERARCH ESO ISS PBLA12 END 276.3
HIERARCH ESO ISS PBL13 START 84.558
HIERARCH ESO ISS PBL13 END 85.333
HIERARCH ESO ISS PBLA13 START 260.1
HIERARCH ESO ISS PBLA13 END 259.8
HIERARCH ESO ISS PBL14 START 49.832
HIERARCH ESO ISS PBL14 END 49.54
HIERARCH ESO ISS PBLA14 START 322.018
HIERARCH ESO ISS PBLA14 END 322.107
HIERARCH ESO ISS PBL23 START 28.331
HIERARCH ESO ISS PBL23 END 28.639
HIERARCH ESO ISS PBLA23 START 218.4
HIERARCH ESO ISS PBLA23 END 218.8
HIERARCH ESO ISS PBL24 START 47.222
HIERARCH ESO ISS PBL24 END 47.793
HIERARCH ESO ISS PBLA24 START 47.913
HIERARCH ESO ISS PBLA24 END 48.189
HIERARCH ESO ISS PBL34 START 75.306
HIERARCH ESO ISS PBL34 END 76.191
HIERARCH ESO ISS PBLA34 START 44.33
HIERARCH ESO ISS PBLA34 END 44.668
HIERARCH ESO ISS AMBI TAU0 START 0.002313
HIERARCH ESO ISS AMBI TAU0 END 0.002009
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.74