10454+3831 HO 532 AC
10h 45m 21.48s +38° 30' 42.4" P.A. 230.00 sep 0.7 mag 9.42,11.76 Sp K7/M0V dist. 13.92 pc (45.41 l.y.)
Coord 2000 |
10454+3831 |
|
Discov num |
HO 532 |
|
Comp |
AC |
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Coord arcsec 2000 |
10 45 21.48 +38 30 42.4 |
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Date first |
1896 |
|
Date last |
2018 |
|
Obs |
28 |
|
Pa first |
326 |
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Pa last |
230.3 |
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P.A. Now (θ) |
230.3° |
|
Sep first |
1.2 |
|
Sep last |
0.701 |
|
Sep. Now (ρ) |
0.701" |
|
Mag pri |
9.42 |
|
Mag sec |
11.76 |
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delta mag (ΔM) |
2.34 |
|
Spectral class |
K7/M0V (yellow-orange) |
|
Pri motion ra |
-038 |
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Sec motion ra |
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Pri motion dec |
+150 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
10454+3831 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
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10 45 21 +38 30 42 |
CHR 191 AB |
2014 |
4 |
235 |
0.7 |
9.42 |
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Show |
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10 45 21 +38 30 42 |
HO 532 AC |
2018 |
28 |
230 |
0.7 |
9.42 |
11.76 |
2.34 |
Y |
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Leo Minor |
|
HIP |
52600 |
|
Tycho2 |
3009-02043-1 |
|
Gaia DR2 |
776067089642433664 |
|
ADS |
7915 |
|
GL |
Gl 400A |
|
BD |
BD+39 2376 |
|
Distance |
13.92 |
|
Distance ly |
45.41 |
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ORBITAL ELEMENTS
Period (P) | 160.67y | |
Periastron (T) | 1972.58y | |
Semi-major axis (a) | 1.791a | |
Eccentricity (e) | 0.86 | |
Inclination (i) | 100.1° | |
Longitude of periastron (ω) | 280.1° | |
Node (Ω) | 110.9° | |
Notes | n | |
Reference | Mnt2000a | |
Equinox | | |
Last observation | 1995 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
72.2 |
0.623 |
2001 |
70.5 |
0.614 |
2002 |
68.8 |
0.606 |
2003 |
67.0 |
0.598 |
2004 |
65.2 |
0.590 |
2005 |
63.3 |
0.582 |
2006 |
61.4 |
0.575 |
2007 |
59.4 |
0.568 |
2008 |
57.4 |
0.561 |
2009 |
55.4 |
0.555 |
2010 |
53.2 |
0.549 |
2011 |
51.1 |
0.544 |
2012 |
48.9 |
0.539 |
2013 |
46.7 |
0.535 |
2014 |
44.4 |
0.532 |
2015 |
42.1 |
0.529 |
2016 |
39.8 |
0.527 |
2017 |
37.5 |
0.525 |
2018 |
35.2 |
0.524 |
2019 |
32.8 |
0.524 |
2020 |
30.5 |
0.524 |
2021 |
28.1 |
0.525 |
2022 |
25.8 |
0.527 |
2023 |
23.5 |
0.530 |
2024 |
21.2 |
0.533 |
2025 |
19.0 |
0.537 |
2026 |
16.8 |
0.541 |
2027 |
14.6 |
0.546 |
2028 |
12.5 |
0.552 |
2029 |
10.4 |
0.559 |
2030 |
8.3 |
0.565 |
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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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