06314+0749 A 2817 (HD 46055)
06h 31m 25.83s +07° 49' 20.5" P.A. 302.00 sep 0.2 mag 9.56,8.89 Sp G1V dist. 61.01 pc (199.01 l.y.)
| Coord 2000 |
06314+0749 |
|
Discov num |
A 2817 |
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Comp |
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Coord arcsec 2000 |
06 31 25.83 +07 49 20.5 |
|
| Date first |
1914 |
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Date last |
2021 |
|
Obs |
49 |
|
| Pa first |
275 |
|
Pa last |
301.9 |
|
P.A. Now (θ) |
135.4° |
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| Sep first |
0.2 |
|
Sep last |
0.157 |
|
Sep. Now (ρ) |
0.168" |
|
| Mag pri |
9.56 |
|
Mag sec |
8.89 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
+037 |
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Sec motion ra |
|
|
| Pri motion dec |
-001 |
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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 46055 |
|
Constellation |
Monoceros |
|
SAO |
113992 |
|
HIP |
31089 |
|
| Tycho2 |
0733-02188-1 |
|
Gaia DR2 |
3326002509154881024 |
|
HD |
46055 |
|
ADS |
5159 |
|
| BD |
BD+07 1327 |
|
Distance |
61.01 |
|
Distance ly |
199.01 |
|
ORBITAL ELEMENTS
| Period (P) | 31.67y | ± 0.15 |
Periastron (T) | 2015.24y | ± 0.31 |
Semi-major axis (a) | 0.1941a | ± 0.0048 |
| Eccentricity (e) | 0.286 | ± 0.007 |
Inclination (i) | 36.5° | ± 1 |
Longitude of periastron (ω) | 143.6° | ± 1 |
| Node (Ω) | 233.7° | ± 1.3 |
Notes | | |
Reference | Tok2020h | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
206.6 |
0.236 |
| 2001 |
212.4 |
0.239 |
| 2002 |
218.1 |
0.240 |
| 2003 |
223.9 |
0.239 |
| 2004 |
229.7 |
0.235 |
| 2005 |
235.8 |
0.229 |
| 2006 |
242.4 |
0.220 |
| 2007 |
249.5 |
0.208 |
| 2008 |
257.7 |
0.194 |
| 2009 |
267.3 |
0.177 |
| 2010 |
279.0 |
0.159 |
| 2011 |
293.6 |
0.142 |
| 2012 |
311.8 |
0.128 |
| 2013 |
333.6 |
0.120 |
| 2014 |
356.6 |
0.120 |
| 2015 |
18.3 |
0.127 |
| 2016 |
37.2 |
0.137 |
| 2017 |
53.8 |
0.145 |
| 2018 |
68.9 |
0.150 |
| 2019 |
83.1 |
0.154 |
| 2020 |
96.9 |
0.156 |
| 2021 |
110.3 |
0.158 |
| 2022 |
123.2 |
0.162 |
| 2023 |
135.4 |
0.168 |
| 2024 |
146.7 |
0.175 |
| 2025 |
157.0 |
0.183 |
| 2026 |
166.4 |
0.192 |
| 2027 |
174.9 |
0.202 |
| 2028 |
182.6 |
0.211 |
| 2029 |
189.8 |
0.220 |
| 2030 |
196.4 |
0.227 |
|
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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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