17350+6153 BU 962 AB
17h 34m 59.58s +61° 52' 28.4" P.A. 301.00 sep 0.6 mag 5.28,8.54 Sp F9V+K3V dist. 14.19 pc (46.29 l.y.)
Coord 2000 |
17350+6153 |
|
Discov num |
BU 962 |
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Comp |
AB |
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Coord arcsec 2000 |
17 34 59.58 +61 52 28.4 |
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Date first |
1879 |
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Date last |
2013 |
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Obs |
140 |
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Pa first |
149 |
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Pa last |
300.5 |
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P.A. Now (θ) |
169.2° |
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Sep first |
1.4 |
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Sep last |
0.625 |
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Sep. Now (ρ) |
0.782" |
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Mag pri |
5.28 |
|
Mag sec |
8.54 |
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delta mag (ΔM) |
3.26 |
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Spectral class |
F9V+K3V (yellow-white/yellow-orange) |
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Pri motion ra |
+277 |
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Sec motion ra |
+277 |
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Pri motion dec |
-526 |
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Sec motion dec |
-526 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
17350+6153 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
17546 |
17 34 60 +61 52 28 |
BU 962 AB |
2013 |
140 |
301 |
0.6 |
5.28 |
8.54 |
3.26 |
Y |
<=== |
Show |
HD 160269 |
17546 |
17 34 60 +61 52 28 |
LDS 2736 AB,C |
2010 |
8 |
160 |
737.9 |
5.23 |
10.19 |
4.96 |
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Show |
|
17546 |
17 34 60 +61 52 28 |
SDR 1 AB,D |
2020 |
4 |
259 |
20.0 |
5.23 |
11.60 |
6.37 |
|
|
Show |
|
17546 |
17 34 60 +61 52 28 |
HZE 3 AE |
2006 |
1 |
359 |
3.0 |
3.74 |
15.00 |
11.26 |
|
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Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
SAO |
17546 |
|
HIP |
86036 |
|
Tycho2 |
4199-01513-1 |
|
HD |
160269 |
|
HR |
6573 |
|
GC |
23874 |
|
ADS |
10660 |
|
GL |
Gl 684A |
|
BD |
BD+61 1678 |
|
Flamsteed |
26 Draconis |
|
Flamsteed name |
26 Dra |
|
Distance |
14.19 |
|
Distance ly |
46.29 |
|
ORBITAL ELEMENTS
Period (P) | 76.1y | |
Periastron (T) | 1947y | |
Semi-major axis (a) | 1.53a | |
Eccentricity (e) | 0.18 | |
Inclination (i) | 104° | |
Longitude of periastron (ω) | 307° | |
Node (Ω) | 151° | |
Notes | n | |
Reference | Sod1999 | |
Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
331.0 |
1.661 |
2001 |
330.1 |
1.638 |
2002 |
329.1 |
1.607 |
2003 |
328.0 |
1.568 |
2004 |
326.9 |
1.519 |
2005 |
325.7 |
1.462 |
2006 |
324.4 |
1.396 |
2007 |
323.0 |
1.321 |
2008 |
321.4 |
1.238 |
2009 |
319.5 |
1.147 |
2010 |
317.4 |
1.049 |
2011 |
314.7 |
0.944 |
2012 |
311.3 |
0.833 |
2013 |
307.0 |
0.719 |
2014 |
300.9 |
0.604 |
2015 |
292.0 |
0.493 |
2016 |
278.3 |
0.395 |
2017 |
257.6 |
0.328 |
2018 |
231.4 |
0.316 |
2019 |
207.9 |
0.364 |
2020 |
191.7 |
0.453 |
2021 |
181.3 |
0.559 |
2022 |
174.2 |
0.671 |
2023 |
169.2 |
0.782 |
2024 |
165.4 |
0.888 |
2025 |
162.4 |
0.986 |
2026 |
159.9 |
1.074 |
2027 |
157.8 |
1.151 |
2028 |
155.9 |
1.216 |
2029 |
154.2 |
1.269 |
2030 |
152.7 |
1.308 |
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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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