04245+5051 COU 2459 AB (HD 27673)
04h 24m 32.79s +50° 50' 42.6" P.A. 130.00 sep 1.0 mag 7.05,10.19 Sp F2 dist. 46.64 pc (152.14 l.y.)
Coord 2000 |
04245+5051 |
|
Discov num |
COU2459 |
|
Comp |
AB |
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Coord arcsec 2000 |
04 24 32.79 +50 50 42.6 |
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Date first |
1989 |
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Date last |
2016 |
|
Obs |
14 |
|
Pa first |
167 |
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Pa last |
130.1 |
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P.A. Now (θ) |
130.1° |
|
Sep first |
0.7 |
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Sep last |
1.019 |
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Sep. Now (ρ) |
1.019" |
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Mag pri |
7.05 |
|
Mag sec |
10.19 |
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delta mag (ΔM) |
3.14 |
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Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
+007 |
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Sec motion ra |
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Pri motion dec |
-063 |
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Sec motion dec |
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Notes |
N
C
(See Notes, Has orbit and linear solution) |
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This double is physical.
04245+5051 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 27673 |
24589 |
04 24 33 +50 50 43 |
COU 2459 AB |
2016 |
14 |
130 |
1.0 |
7.05 |
10.19 |
3.14 |
Y |
<=== |
Show |
|
24589 |
04 24 33 +50 50 43 |
TOK 245 AC |
2015 |
8 |
181 |
367.6 |
6.96 |
10.37 |
3.41 |
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 27673 |
|
Constellation |
Perseus |
|
SAO |
24589 |
|
HIP |
20586 |
|
Tycho2 |
3341-01000-1 |
|
Gaia DR2 |
271083015576372096 |
|
HD |
27673 |
|
GC |
5319 |
|
BD |
BD+50 986 |
|
Distance |
46.64 |
|
Distance ly |
152.14 |
|
ORBITAL ELEMENTS
Period (P) | 633.6y | ± 98.6 |
Periastron (T) | 2586y | ± 103.5 |
Semi-major axis (a) | 1.833a | ± 0.14 |
Eccentricity (e) | 0.445 | ± 0.039 |
Inclination (i) | 120.9° | ± 1.1 |
Longitude of periastron (ω) | 223.6° | ± 12.3 |
Node (Ω) | 95.9° | ± 1.7 |
Notes | n | |
Reference | Ksr2021 | |
Equinox | | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
148.8 |
0.755 |
2001 |
147.2 |
0.770 |
2002 |
145.8 |
0.785 |
2003 |
144.4 |
0.801 |
2004 |
143.1 |
0.817 |
2005 |
141.8 |
0.832 |
2006 |
140.5 |
0.849 |
2007 |
139.3 |
0.865 |
2008 |
138.2 |
0.881 |
2009 |
137.1 |
0.898 |
2010 |
136.0 |
0.915 |
2011 |
135.0 |
0.931 |
2012 |
134.0 |
0.948 |
2013 |
133.0 |
0.965 |
2014 |
132.1 |
0.982 |
2015 |
131.2 |
0.999 |
2016 |
130.3 |
1.016 |
2017 |
129.5 |
1.032 |
2018 |
128.7 |
1.049 |
2019 |
127.9 |
1.066 |
2020 |
127.1 |
1.083 |
2021 |
126.4 |
1.100 |
2022 |
125.7 |
1.117 |
2023 |
125.0 |
1.133 |
2024 |
124.3 |
1.150 |
2025 |
123.7 |
1.167 |
2026 |
123.0 |
1.183 |
2027 |
122.4 |
1.199 |
2028 |
121.8 |
1.216 |
2029 |
121.2 |
1.232 |
2030 |
120.6 |
1.248 |
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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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