03440+5228 A 1289 (HD 23006)
03h 44m 00.54s +52° 28' 07.8" P.A. 85.00 sep 0.3 mag 10.07,10.38 Sp A dist. 346.02 pc (1128.72 l.y.)
Coord 2000 |
03440+5228 |
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Discov num |
A 1289 |
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Comp |
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Coord arcsec 2000 |
03 44 00.54 +52 28 07.8 |
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Date first |
1906 |
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Date last |
2016 |
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Obs |
15 |
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Pa first |
10 |
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Pa last |
84.6 |
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P.A. Now (θ) |
84.6° |
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Sep first |
0.4 |
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Sep last |
0.28 |
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Sep. Now (ρ) |
0.28" |
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Mag pri |
10.07 |
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Mag sec |
10.38 |
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delta mag (ΔM) |
0.31 |
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Spectral class |
A (white) |
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Pri motion ra |
+007 |
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Sec motion ra |
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Pri motion dec |
-009 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 23006 |
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Constellation |
Perseus |
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SAO |
24184 |
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HIP |
17427 |
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Tycho2 |
3325-01028-1 |
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HD |
23006 |
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ADS |
2710 |
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BD |
BD+52 709 |
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Distance |
346.02 |
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Distance ly |
1128.72 |
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ORBITAL ELEMENTS
Period (P) | 265y | |
Periastron (T) | 2080y | |
Semi-major axis (a) | 0.32a | |
Eccentricity (e) | 0.633 | |
Inclination (i) | 51.5° | |
Longitude of periastron (ω) | 75.7° | |
Node (Ω) | 147.4° | |
Notes | | |
Reference | USN2002 | |
Equinox | 2000 | |
Last observation | 1995 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
70.4 |
0.292 |
2001 |
71.2 |
0.291 |
2002 |
72.0 |
0.290 |
2003 |
72.8 |
0.289 |
2004 |
73.6 |
0.288 |
2005 |
74.4 |
0.287 |
2006 |
75.2 |
0.287 |
2007 |
76.0 |
0.286 |
2008 |
76.8 |
0.285 |
2009 |
77.7 |
0.284 |
2010 |
78.5 |
0.283 |
2011 |
79.3 |
0.282 |
2012 |
80.2 |
0.281 |
2013 |
81.0 |
0.280 |
2014 |
81.9 |
0.279 |
2015 |
82.8 |
0.278 |
2016 |
83.6 |
0.277 |
2017 |
84.5 |
0.276 |
2018 |
85.4 |
0.275 |
2019 |
86.3 |
0.274 |
2020 |
87.2 |
0.273 |
2021 |
88.1 |
0.272 |
2022 |
89.0 |
0.271 |
2023 |
89.9 |
0.270 |
2024 |
90.8 |
0.269 |
2025 |
91.8 |
0.268 |
2026 |
92.7 |
0.267 |
2027 |
93.7 |
0.266 |
2028 |
94.6 |
0.265 |
2029 |
95.6 |
0.263 |
2030 |
96.5 |
0.262 |
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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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