08507+0752 VDK 3 (HP Cnc)
08h 50m 42.33s +07° 51' 52.4" P.A. 199.00 sep 1.0 mag 9.91,10.09 Sp K0V dist. 23.09 pc (75.32 l.y.)
Coord 2000 |
08507+0752 |
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Discov num |
VDK 3 |
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Comp |
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Coord arcsec 2000 |
08 50 42.33 +07 51 52.4 |
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Date first |
1912 |
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Date last |
2020 |
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Obs |
117 |
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Pa first |
82 |
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Pa last |
198.9 |
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P.A. Now (θ) |
198.9° |
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Sep first |
1.9 |
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Sep last |
1 |
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Sep. Now (ρ) |
1" |
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Mag pri |
9.91 |
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Mag sec |
10.09 |
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delta mag (ΔM) |
0.18 |
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Spectral class |
K0V (yellow-orange) |
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Pri motion ra |
-069 |
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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 |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
HP Cnc |
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Constellation |
Cancer |
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HIP |
43422 |
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Tycho2 |
0810-00175-1 |
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Gaia DR2 |
596779044285041792 |
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ADS |
7044 |
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GL |
Gl 323A |
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BD |
BD+08 2131 |
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Distance |
23.09 |
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Distance ly |
75.32 |
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ORBITAL ELEMENTS
Period (P) | 223.9709y | ± 49.8554 |
Periastron (T) | 2044.3921y | ± 9.3236 |
Semi-major axis (a) | 2.21221a | ± 0.34151 |
Eccentricity (e) | 0.25697 | ± 0.09162 |
Inclination (i) | 56.16° | ± 5.079 |
Longitude of periastron (ω) | 142.122° | ± 37.028 |
Node (Ω) | 124.402° | ± 3.498 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
150.3 |
1.821 |
2001 |
151.6 |
1.782 |
2002 |
153.0 |
1.743 |
2003 |
154.4 |
1.703 |
2004 |
155.9 |
1.663 |
2005 |
157.5 |
1.622 |
2006 |
159.1 |
1.581 |
2007 |
160.9 |
1.540 |
2008 |
162.7 |
1.499 |
2009 |
164.6 |
1.459 |
2010 |
166.7 |
1.418 |
2011 |
168.8 |
1.378 |
2012 |
171.1 |
1.339 |
2013 |
173.6 |
1.300 |
2014 |
176.1 |
1.262 |
2015 |
178.9 |
1.226 |
2016 |
181.8 |
1.191 |
2017 |
184.9 |
1.158 |
2018 |
188.1 |
1.127 |
2019 |
191.5 |
1.098 |
2020 |
195.1 |
1.072 |
2021 |
198.9 |
1.049 |
2022 |
202.8 |
1.029 |
2023 |
206.9 |
1.013 |
2024 |
211.1 |
1.001 |
2025 |
215.3 |
0.992 |
2026 |
219.6 |
0.988 |
2027 |
224.0 |
0.988 |
2028 |
228.3 |
0.992 |
2029 |
232.6 |
1.000 |
2030 |
236.8 |
1.011 |
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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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