06418+3041 A 218 (HD 47812)
06h 41m 47.48s +30° 41' 02.7" P.A. 39.00 sep 0.2 mag 9.29,9.32 Sp F5 dist. 108.11 pc (352.65 l.y.)
| Coord 2000 |
06418+3041 |
|
Discov num |
A 218 |
|
Comp |
|
|
Coord arcsec 2000 |
06 41 47.48 +30 41 02.7 |
|
| Date first |
1901 |
|
Date last |
2011 |
|
Obs |
30 |
|
| Pa first |
247 |
|
Pa last |
39 |
|
P.A. Now (θ) |
199.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.16 |
|
Sep. Now (ρ) |
0.148" |
|
| Mag pri |
9.29 |
|
Mag sec |
9.32 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 47812 |
|
Constellation |
Gemini |
|
SAO |
59375 |
|
HIP |
32050 |
|
| Tycho2 |
2435-00503-1 |
|
HD |
47812 |
|
ADS |
5332 |
|
BD |
BD+30 1303 |
|
| Distance |
108.11 |
|
Distance ly |
352.65 |
|
ORBITAL ELEMENTS SOLUTION #1
| Period (P) | 85y | |
Periastron (T) | 1934y | |
Semi-major axis (a) | 0.298a | |
| Eccentricity (e) | 0.74 | |
Inclination (i) | 106° | |
Longitude of periastron (ω) | 96° | |
| Node (Ω) | 24.2° | |
Notes | n | |
Reference | Hei1997 | |
| Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
47.9 |
0.233 |
| 2001 |
46.6 |
0.235 |
| 2002 |
45.3 |
0.236 |
| 2003 |
44.1 |
0.236 |
| 2004 |
42.8 |
0.236 |
| 2005 |
41.6 |
0.235 |
| 2006 |
40.3 |
0.234 |
| 2007 |
39.0 |
0.231 |
| 2008 |
37.7 |
0.228 |
| 2009 |
36.3 |
0.224 |
| 2010 |
34.9 |
0.218 |
| 2011 |
33.4 |
0.210 |
| 2012 |
31.7 |
0.200 |
| 2013 |
29.9 |
0.188 |
| 2014 |
27.7 |
0.173 |
| 2015 |
25.1 |
0.153 |
| 2016 |
21.5 |
0.127 |
| 2017 |
15.8 |
0.094 |
| 2018 |
1.5 |
0.051 |
| 2019 |
273.3 |
0.023 |
| 2020 |
219.4 |
0.063 |
| 2021 |
208.8 |
0.101 |
| 2022 |
203.5 |
0.129 |
| 2023 |
199.9 |
0.148 |
| 2024 |
197.0 |
0.162 |
| 2025 |
194.5 |
0.171 |
| 2026 |
192.2 |
0.178 |
| 2027 |
190.1 |
0.183 |
| 2028 |
188.0 |
0.186 |
| 2029 |
186.1 |
0.188 |
| 2030 |
184.1 |
0.188 |
|
|
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 |
|
ORBITAL ELEMENTS SOLUTION #2
| Period (P) | 162.91y | |
Periastron (T) | 1888.93y | |
Semi-major axis (a) | 0.239a | |
| Eccentricity (e) | 0.076 | |
Inclination (i) | 120.7° | |
Longitude of periastron (ω) | 280.1° | |
| Node (Ω) | 218.8° | |
Notes | n | |
Reference | Msn2017a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
50.5 |
0.234 |
| 2001 |
49.3 |
0.236 |
| 2002 |
48.2 |
0.238 |
| 2003 |
47.0 |
0.239 |
| 2004 |
45.9 |
0.240 |
| 2005 |
44.8 |
0.241 |
| 2006 |
43.7 |
0.241 |
| 2007 |
42.6 |
0.242 |
| 2008 |
41.5 |
0.242 |
| 2009 |
40.4 |
0.242 |
| 2010 |
39.3 |
0.241 |
| 2011 |
38.2 |
0.240 |
| 2012 |
37.1 |
0.239 |
| 2013 |
36.0 |
0.238 |
| 2014 |
34.8 |
0.237 |
| 2015 |
33.7 |
0.235 |
| 2016 |
32.5 |
0.233 |
| 2017 |
31.3 |
0.231 |
| 2018 |
30.1 |
0.228 |
| 2019 |
28.8 |
0.225 |
| 2020 |
27.5 |
0.222 |
| 2021 |
26.2 |
0.219 |
| 2022 |
24.9 |
0.216 |
| 2023 |
23.5 |
0.212 |
| 2024 |
22.0 |
0.208 |
| 2025 |
20.5 |
0.204 |
| 2026 |
18.9 |
0.200 |
| 2027 |
17.3 |
0.195 |
| 2028 |
15.5 |
0.191 |
| 2029 |
13.7 |
0.186 |
| 2030 |
11.8 |
0.181 |
|
|
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 |
|
