06510+0551 HDS 950 (HD 49932)
06h 50m 59.53s +05° 50' 32.6" P.A. 160.00 sep 0.1 mag 7.73,7.94 Sp F5 dist. 108.58 pc (354.19 l.y.)
| Coord 2000 |
06510+0551 |
|
Discov num |
HDS 950 |
|
Comp |
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Coord arcsec 2000 |
06 50 59.53 +05 50 32.6 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
13 |
|
| Pa first |
161 |
|
Pa last |
159.8 |
|
P.A. Now (θ) |
159.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.111 |
|
Sep. Now (ρ) |
0.111" |
|
| Mag pri |
7.73 |
|
Mag sec |
7.94 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-037 |
|
Sec motion ra |
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|
| Pri motion dec |
-036 |
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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 49932 |
|
Constellation |
Monoceros |
|
SAO |
114502 |
|
HIP |
32872 |
|
| Tycho2 |
0160-01622-1 |
|
Gaia DR2 |
3129433847567209728 |
|
HD |
49932 |
|
GC |
8956 |
|
| BD |
BD+06 1405 |
|
Distance |
108.58 |
|
Distance ly |
354.19 |
|
ORBITAL ELEMENTS
| Period (P) | 30.5y | |
Periastron (T) | 2016.59y | |
Semi-major axis (a) | 0.106a | |
| Eccentricity (e) | 0.718 | |
Inclination (i) | 134.5° | |
Longitude of periastron (ω) | 242.4° | |
| Node (Ω) | 165.9° | |
Notes | | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
116.9 |
0.144 |
| 2001 |
113.7 |
0.142 |
| 2002 |
110.4 |
0.139 |
| 2003 |
107.0 |
0.136 |
| 2004 |
103.5 |
0.132 |
| 2005 |
99.6 |
0.128 |
| 2006 |
95.5 |
0.123 |
| 2007 |
91.0 |
0.117 |
| 2008 |
86.0 |
0.111 |
| 2009 |
80.4 |
0.104 |
| 2010 |
74.0 |
0.097 |
| 2011 |
66.5 |
0.089 |
| 2012 |
57.6 |
0.081 |
| 2013 |
46.6 |
0.073 |
| 2014 |
32.6 |
0.063 |
| 2015 |
13.1 |
0.052 |
| 2016 |
339.7 |
0.036 |
| 2017 |
239.1 |
0.024 |
| 2018 |
183.4 |
0.051 |
| 2019 |
166.9 |
0.075 |
| 2020 |
157.8 |
0.093 |
| 2021 |
151.3 |
0.107 |
| 2022 |
146.1 |
0.117 |
| 2023 |
141.8 |
0.126 |
| 2024 |
137.9 |
0.132 |
| 2025 |
134.3 |
0.137 |
| 2026 |
131.0 |
0.141 |
| 2027 |
127.8 |
0.143 |
| 2028 |
124.6 |
0.144 |
| 2029 |
121.5 |
0.145 |
| 2030 |
118.4 |
0.144 |
|
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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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