15382+3615 HU 1167 AB (HD 139691)
15h 38m 12.91s +36° 14' 48.6" P.A. 80.00 sep 1.4 mag 8.07,9.87 Sp F5 dist. 110.25 pc (359.64 l.y.)
Coord 2000 |
15382+3615 |
|
Discov num |
HU 1167 |
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Comp |
AB |
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Coord arcsec 2000 |
15 38 12.91 +36 14 48.6 |
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Date first |
1905 |
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Date last |
2016 |
|
Obs |
26 |
|
Pa first |
89 |
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Pa last |
79.9 |
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P.A. Now (θ) |
79.9° |
|
Sep first |
0.9 |
|
Sep last |
1.363 |
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Sep. Now (ρ) |
1.363" |
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Mag pri |
8.07 |
|
Mag sec |
9.87 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-062 |
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Sec motion ra |
-060 |
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Pri motion dec |
+043 |
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Sec motion dec |
+035 |
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Notes |
N
O
W
(See Notes, Orbital solution, ) |
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rPM=0.109 (< 0.3, Physical double)
This double is physical.
15382+3615 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 139691 |
|
15 38 13 +36 14 49 |
HU 1167 AB |
2016 |
26 |
80 |
1.4 |
8.07 |
9.87 |
1.80 |
Y |
<=== |
Show |
|
64821 |
15 38 13 +36 14 49 |
STF 1964 AC |
2017 |
82 |
90 |
14.5 |
8.07 |
8.06 |
0.01 |
|
|
Show |
|
|
15 38 13 +36 14 49 |
STF 1964 AD |
2018 |
19 |
83 |
15.1 |
8.07 |
9.02 |
0.95 |
|
|
Show |
|
64821 |
15 38 14 +36 14 50 |
STF 1964 CD |
2019 |
69 |
21 |
1.5 |
8.06 |
9.02 |
0.96 |
Y |
|
Show |
|
64821 |
15 38 14 +36 14 50 |
WAK 1 CE |
2011 |
5 |
82 |
0.2 |
8.07 |
8.20 |
0.13 |
|
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Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 139691 |
|
Constellation |
Corona Borealis |
|
HIP |
76563 |
|
Tycho2 |
2577-01755-1 |
|
Gaia DR2 |
1374656960860690560 |
|
HD |
139691 |
|
ADS |
9731 |
|
BD |
BD+36 2626 |
|
Distance |
110.25 |
|
Distance ly |
359.64 |
|
ORBITAL ELEMENTS
Period (P) | 834y | ± 272 |
Periastron (T) | 2021.8y | ± 91.9 |
Semi-major axis (a) | 1.249a | ± 0.1 |
Eccentricity (e) | 0 | |
Inclination (i) | 97° | ± 2.6 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 80.5° | ± 2.6 |
Notes | n | |
Reference | Dru1995 | |
Equinox | | |
Last observation | 1994 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
81.7 |
1.232 |
2001 |
81.6 |
1.234 |
2002 |
81.5 |
1.235 |
2003 |
81.5 |
1.237 |
2004 |
81.4 |
1.238 |
2005 |
81.4 |
1.239 |
2006 |
81.3 |
1.240 |
2007 |
81.3 |
1.241 |
2008 |
81.2 |
1.242 |
2009 |
81.2 |
1.243 |
2010 |
81.1 |
1.244 |
2011 |
81.1 |
1.245 |
2012 |
81.0 |
1.246 |
2013 |
81.0 |
1.246 |
2014 |
80.9 |
1.247 |
2015 |
80.9 |
1.247 |
2016 |
80.8 |
1.248 |
2017 |
80.8 |
1.248 |
2018 |
80.7 |
1.248 |
2019 |
80.6 |
1.249 |
2020 |
80.6 |
1.249 |
2021 |
80.5 |
1.249 |
2022 |
80.5 |
1.249 |
2023 |
80.4 |
1.249 |
2024 |
80.4 |
1.249 |
2025 |
80.3 |
1.249 |
2026 |
80.3 |
1.248 |
2027 |
80.2 |
1.248 |
2028 |
80.2 |
1.248 |
2029 |
80.1 |
1.247 |
2030 |
80.1 |
1.247 |
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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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