10522+4423 DUP 2
10h 52m 13.50s +44° 22' 55.9" P.A. 97.00 sep 0.1 mag 14.99,15.50 Sp L6.5+T1.5
Coord 2000 |
10522+4423 |
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Discov num |
DUP 2 |
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Comp |
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Coord arcsec 2000 |
10 52 13.50 +44 22 55.9 |
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Date first |
2005 |
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Date last |
2014 |
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Obs |
30 |
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Pa first |
81 |
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Pa last |
97.2 |
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P.A. Now (θ) |
98.9° |
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Sep first |
0.0 |
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Sep last |
0.055 |
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Sep. Now (ρ) |
0.056" |
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Mag pri |
14.99 |
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Mag sec |
15.50 |
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delta mag (ΔM) |
0.51 |
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Spectral class |
L6.5+T1.5 (very deep red/brown dwarf) |
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Pri motion ra |
+019 |
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Sec motion ra |
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Pri motion dec |
-140 |
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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
ORBITAL ELEMENTS
Period (P) | 8.603y | ± 0.025 |
Periastron (T) | 58980d (2020.358y) | ± 14 |
Semi-major axis (a) | 70.61m | ± 0.24 |
Eccentricity (e) | 0.141 | ± 0.0022 |
Inclination (i) | 62.1° | ± 0.3 |
Longitude of periastron (ω) | 186.8° | ± 1.6 |
Node (Ω) | 126.8° | ± 0.3 |
Notes | n | |
Reference | Dup2017 | |
Equinox | | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
151.3 |
0.061 |
2001 |
197.7 |
0.035 |
2002 |
273.1 |
0.045 |
2003 |
306.0 |
0.061 |
2004 |
338.8 |
0.045 |
2005 |
58.0 |
0.034 |
2006 |
104.6 |
0.062 |
2007 |
123.2 |
0.080 |
2008 |
138.7 |
0.074 |
2009 |
163.7 |
0.050 |
2010 |
232.1 |
0.033 |
2011 |
288.9 |
0.054 |
2012 |
316.7 |
0.058 |
2013 |
3.7 |
0.035 |
2014 |
83.6 |
0.044 |
2015 |
113.1 |
0.072 |
2016 |
129.1 |
0.080 |
2017 |
146.4 |
0.067 |
2018 |
183.2 |
0.039 |
2019 |
261.9 |
0.040 |
2020 |
300.5 |
0.060 |
2021 |
329.9 |
0.050 |
2022 |
39.8 |
0.032 |
2023 |
98.9 |
0.056 |
2024 |
120.0 |
0.078 |
2025 |
135.3 |
0.077 |
2026 |
156.6 |
0.056 |
2027 |
213.7 |
0.033 |
2028 |
281.4 |
0.050 |
2029 |
311.0 |
0.060 |
2030 |
349.3 |
0.040 |
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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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