16120-1928 CHR 146 Aa,Ab
16h 11m 59.74s -19° 27' 38.3" P.A. 344.00 sep 0.1 mag 4.50,6.80 Sp B2IV dist. 145.35 pc (474.13 l.y.)
Coord 2000 |
16120-1928 |
|
Discov num |
CHR 146 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
16 11 59.74 -19 27 38.3 |
|
Date first |
1988 |
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Date last |
2021 |
|
Obs |
15 |
|
Pa first |
352 |
|
Pa last |
344.2 |
|
P.A. Now (θ) |
346.1° |
|
Sep first |
0.1 |
|
Sep last |
0.081 |
|
Sep. Now (ρ) |
0.072" |
|
Mag pri |
4.50 |
|
Mag sec |
6.80 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
B2IV (blue-white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
|
|
Pri motion dec |
-028 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16120-1928 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
159764 |
16 11 60 -19 27 38 |
CHR 146 Aa,Ab |
2021 |
15 |
344 |
0.1 |
4.50 |
6.80 |
2.30 |
Y |
<=== |
Show |
Jabbah |
159764 |
16 11 60 -19 27 38 |
BU 120 AB |
2021 |
124 |
1 |
1.4 |
4.35 |
5.31 |
0.96 |
|
|
Show |
|
159764 |
16 11 60 -19 27 38 |
H 5 6 AC |
2019 |
91 |
336 |
41.3 |
4.35 |
6.60 |
2.25 |
|
|
Show |
|
159764 |
16 11 60 -19 27 38 |
LAF 127 AE |
2010 |
2 |
318 |
5.3 |
3.88 |
14.02 |
10.14 |
|
|
Show |
|
159763 |
16 11 59 -19 27 00 |
MTL 2 CD |
2019 |
110 |
55 |
2.4 |
6.60 |
7.23 |
0.63 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Jabbah |
|
Constellation |
Scorpius |
|
SAO |
159764 |
|
HIP |
79374 |
|
Tycho2 |
6209-01537-1 |
|
Gaia DR2 |
6245697981070158080 |
|
HD |
145502 |
|
HR |
6027 |
|
GC |
21773 |
|
ADS |
9951 |
|
BD |
BD-19 4333 |
|
Bayer |
Nu Scorpii |
|
Bayer name |
Nu Sco |
|
Flamsteed |
14 Scorpii |
|
Flamsteed name |
14 Sco |
|
Distance |
145.35 |
|
Distance ly |
474.13 |
|
Bayer greek |
ν Sco |
|
ORBITAL ELEMENTS
Period (P) | 10.06y | ± 0.12 |
Periastron (T) | 2015y | ± 2.5 |
Semi-major axis (a) | 0.073a | ± 0.068 |
Eccentricity (e) | 0.92 | |
Inclination (i) | 89.7° | ± 1.5 |
Longitude of periastron (ω) | 118.9° | ± 39 |
Node (Ω) | 346.4° | ± 2.5 |
Notes | n | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
345.9 |
0.068 |
2001 |
345.9 |
0.074 |
2002 |
346.0 |
0.076 |
2003 |
346.1 |
0.071 |
2004 |
346.2 |
0.055 |
2005 |
166.5 |
0.010 |
2006 |
343.6 |
0.008 |
2007 |
345.3 |
0.028 |
2008 |
345.6 |
0.045 |
2009 |
345.8 |
0.058 |
2010 |
345.9 |
0.068 |
2011 |
345.9 |
0.074 |
2012 |
346.0 |
0.076 |
2013 |
346.1 |
0.071 |
2014 |
346.2 |
0.057 |
2015 |
165.9 |
0.003 |
2016 |
343.1 |
0.006 |
2017 |
345.3 |
0.027 |
2018 |
345.6 |
0.044 |
2019 |
345.8 |
0.057 |
2020 |
345.9 |
0.067 |
2021 |
345.9 |
0.074 |
2022 |
346.0 |
0.076 |
2023 |
346.1 |
0.072 |
2024 |
346.2 |
0.058 |
2025 |
346.6 |
0.009 |
2026 |
342.4 |
0.005 |
2027 |
345.2 |
0.026 |
2028 |
345.6 |
0.043 |
2029 |
345.7 |
0.057 |
2030 |
345.8 |
0.067 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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