12422+2622 A 1851 (HD 110465)
12h 42m 10.75s +26° 21' 39.5" P.A. 91.00 sep 0.3 mag 10.09,10.08 Sp K4V dist. 44.01 pc (143.56 l.y.)
Coord 2000 |
12422+2622 |
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Discov num |
A 1851 |
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Comp |
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Coord arcsec 2000 |
12 42 10.75 +26 21 39.5 |
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Date first |
1908 |
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Date last |
2019 |
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Obs |
95 |
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Pa first |
178 |
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Pa last |
90.7 |
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P.A. Now (θ) |
115° |
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Sep first |
0.4 |
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Sep last |
0.29 |
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Sep. Now (ρ) |
0.314" |
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Mag pri |
10.09 |
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Mag sec |
10.08 |
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delta mag (ΔM) |
0.01 |
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Spectral class |
K4V (yellow-orange) |
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Pri motion ra |
+002 |
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Sec motion ra |
+002 |
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Pri motion dec |
+080 |
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Sec motion dec |
+080 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 110465 |
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Constellation |
Coma Berenices |
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SAO |
82443 |
|
HIP |
61986 |
|
Tycho2 |
1992-00073-1 |
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HD |
110465 |
|
ADS |
8635 |
|
BD |
BD+27 2163 |
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Distance |
44.01 |
|
Distance ly |
143.56 |
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ORBITAL ELEMENTS
Period (P) | 61.3y | |
Periastron (T) | 1959.3y | |
Semi-major axis (a) | 0.415a | |
Eccentricity (e) | 0.252 | |
Inclination (i) | 26° | |
Longitude of periastron (ω) | 319.5° | |
Node (Ω) | 129.8° | |
Notes | n | |
Reference | Hei1998 | |
Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
307.7 |
0.485 |
2001 |
311.5 |
0.477 |
2002 |
315.4 |
0.469 |
2003 |
319.5 |
0.460 |
2004 |
323.8 |
0.449 |
2005 |
328.3 |
0.438 |
2006 |
333.0 |
0.425 |
2007 |
338.0 |
0.412 |
2008 |
343.4 |
0.398 |
2009 |
349.1 |
0.383 |
2010 |
355.4 |
0.368 |
2011 |
2.1 |
0.354 |
2012 |
9.4 |
0.339 |
2013 |
17.4 |
0.326 |
2014 |
26.0 |
0.314 |
2015 |
35.2 |
0.304 |
2016 |
45.0 |
0.297 |
2017 |
55.2 |
0.292 |
2018 |
65.6 |
0.290 |
2019 |
76.0 |
0.291 |
2020 |
86.3 |
0.295 |
2021 |
96.2 |
0.300 |
2022 |
105.8 |
0.306 |
2023 |
115.0 |
0.314 |
2024 |
123.7 |
0.321 |
2025 |
132.1 |
0.328 |
2026 |
140.1 |
0.335 |
2027 |
147.8 |
0.342 |
2028 |
155.2 |
0.348 |
2029 |
162.3 |
0.354 |
2030 |
169.2 |
0.360 |
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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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