12429+0516 A 1602 (HD 110555)
12h 42m 55.41s +05° 15' 59.9" P.A. 28.00 sep 0.7 mag 8.77,10.12 Sp G5 dist. 92.51 pc (301.77 l.y.)
Coord 2000 |
12429+0516 |
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Discov num |
A 1602 |
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Comp |
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Coord arcsec 2000 |
12 42 55.41 +05 15 59.9 |
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Date first |
1907 |
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Date last |
2018 |
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Obs |
19 |
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Pa first |
178 |
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Pa last |
27.9 |
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P.A. Now (θ) |
27.9° |
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Sep first |
0.3 |
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Sep last |
0.68 |
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Sep. Now (ρ) |
0.68" |
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Mag pri |
8.77 |
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Mag sec |
10.12 |
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delta mag (ΔM) |
1.35 |
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Spectral class |
G5 (yellow) |
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Pri motion ra |
-082 |
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Sec motion ra |
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Pri motion dec |
-105 |
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Sec motion dec |
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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 110555 |
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Constellation |
Virgo |
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SAO |
119550 |
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HIP |
62034 |
|
Tycho2 |
0296-00228-1 |
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Gaia DR2 |
3708802460231857664 |
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HD |
110555 |
|
ADS |
8639 |
|
BD |
BD+06 2647 |
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Distance |
92.51 |
|
Distance ly |
301.77 |
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ORBITAL ELEMENTS
Period (P) | 699.4y | |
Periastron (T) | 1913.05y | |
Semi-major axis (a) | 1.567a | |
Eccentricity (e) | 0.914 | |
Inclination (i) | 96.9° | |
Longitude of periastron (ω) | 125.8° | |
Node (Ω) | 5.3° | |
Notes | n | |
Reference | Doc2015d | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
30.3 |
0.478 |
2001 |
30.0 |
0.486 |
2002 |
29.7 |
0.494 |
2003 |
29.5 |
0.501 |
2004 |
29.3 |
0.509 |
2005 |
29.0 |
0.516 |
2006 |
28.8 |
0.524 |
2007 |
28.6 |
0.531 |
2008 |
28.4 |
0.539 |
2009 |
28.1 |
0.546 |
2010 |
27.9 |
0.554 |
2011 |
27.7 |
0.561 |
2012 |
27.6 |
0.569 |
2013 |
27.4 |
0.576 |
2014 |
27.2 |
0.583 |
2015 |
27.0 |
0.591 |
2016 |
26.8 |
0.598 |
2017 |
26.7 |
0.605 |
2018 |
26.5 |
0.613 |
2019 |
26.3 |
0.620 |
2020 |
26.2 |
0.627 |
2021 |
26.0 |
0.634 |
2022 |
25.9 |
0.642 |
2023 |
25.7 |
0.649 |
2024 |
25.6 |
0.656 |
2025 |
25.4 |
0.663 |
2026 |
25.3 |
0.670 |
2027 |
25.2 |
0.677 |
2028 |
25.0 |
0.684 |
2029 |
24.9 |
0.691 |
2030 |
24.8 |
0.698 |
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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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