06549+1158 A 2833 (HD 50722)
06h 54m 56.96s +11° 57' 56.7" P.A. 141.00 sep 0.5 mag 8.29,9.21 Sp F2IV+F2IV dist. 130.21 pc (424.75 l.y.)
Coord 2000 |
06549+1158 |
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Discov num |
A 2833 |
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Comp |
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Coord arcsec 2000 |
06 54 56.96 +11 57 56.7 |
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Date first |
1914 |
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Date last |
2013 |
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Obs |
20 |
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Pa first |
166 |
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Pa last |
140.5 |
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P.A. Now (θ) |
140.5° |
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Sep first |
0.6 |
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Sep last |
0.456 |
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Sep. Now (ρ) |
0.456" |
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Mag pri |
8.29 |
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Mag sec |
9.21 |
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delta mag (ΔM) |
0.92 |
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Spectral class |
F2IV+F2IV (yellow-white/yellow-white) |
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Pri motion ra |
+009 |
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Sec motion ra |
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Pri motion dec |
-064 |
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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 50722 |
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Constellation |
Gemini |
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SAO |
96270 |
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HIP |
33240 |
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Tycho2 |
0756-02060-1 |
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Gaia DR2 |
3351424626737953024 |
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HD |
50722 |
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ADS |
5571 |
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BD |
BD+12 1344 |
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Distance |
130.21 |
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Distance ly |
424.75 |
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ORBITAL ELEMENTS
Period (P) | 209.09y | ± 35.98 |
Periastron (T) | 1987.13y | ± 0.19 |
Semi-major axis (a) | 0.429a | ± 0.04 |
Eccentricity (e) | 0.927 | ± 0.01 |
Inclination (i) | 43.1° | ± 4.6 |
Longitude of periastron (ω) | 240.7° | ± 8.3 |
Node (Ω) | 107.2° | ± 8.9 |
Notes | | |
Reference | FMR2020a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
131.0 |
0.292 |
2001 |
132.0 |
0.305 |
2002 |
132.9 |
0.317 |
2003 |
133.7 |
0.329 |
2004 |
134.5 |
0.341 |
2005 |
135.2 |
0.352 |
2006 |
135.9 |
0.362 |
2007 |
136.6 |
0.373 |
2008 |
137.2 |
0.383 |
2009 |
137.8 |
0.392 |
2010 |
138.3 |
0.401 |
2011 |
138.8 |
0.410 |
2012 |
139.3 |
0.419 |
2013 |
139.8 |
0.428 |
2014 |
140.3 |
0.436 |
2015 |
140.7 |
0.444 |
2016 |
141.2 |
0.452 |
2017 |
141.6 |
0.459 |
2018 |
142.0 |
0.467 |
2019 |
142.4 |
0.474 |
2020 |
142.8 |
0.481 |
2021 |
143.1 |
0.487 |
2022 |
143.5 |
0.494 |
2023 |
143.8 |
0.500 |
2024 |
144.2 |
0.507 |
2025 |
144.5 |
0.513 |
2026 |
144.8 |
0.519 |
2027 |
145.2 |
0.524 |
2028 |
145.5 |
0.530 |
2029 |
145.8 |
0.535 |
2030 |
146.1 |
0.541 |
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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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