09263+5847 BUG   9

 
 
09h 26m 15.37s +58 47' 21.2" P.A. 315.20 sep 0.1 mag 17.14,17.54 Sp T4+T4
 
 
Coord 2000
09263+5847
Discov num
BUG   9
Comp
Coord arcsec 2000
09 26 15.37 +58 47 21.2
Date first
2004
Date last
2004
Obs
1
Pa first
133
Pa last
133
P.A. Now (θ)
315.2°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.06"
Mag pri
17.14
Mag sec
17.54
delta mag (ΔM)
0.4
Spectral class
T4+T4 (brown dwarf/brown dwarf)
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.9
Precise sep
0.07
Constellation
Ursa Major
SAO
27250
last precise pa
132.9
last precise sep
0.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.1y± 1.9 Periastron (T)60500d (2024.519y)± 800 Semi-major axis (a)80m± 8
Eccentricity (e)0.48± 0.22 Inclination (i)91.3°± 0.8 Longitude of periastron (ω)277°± 17
Node (Ω)133.4°± 0.6 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2010
label rho theta
2000 0.075 314.2
2001 0.066 313.4
2002 0.019 310.7
2003 0.047 133.9
2004 0.066 132.7
2005 0.056 131.6
2006 0.035 129.6
2007 0.009 117.1
2008 0.018 321.8
2009 0.043 316.6
2010 0.063 315.1
2011 0.074 314.3
2012 0.068 313.5
2013 0.026 311.5
2014 0.043 134.1
2015 0.066 132.8
2016 0.058 131.8
2017 0.037 129.9
2018 0.012 120.8
2019 0.015 323.3
2020 0.041 316.8
2021 0.062 315.2
2022 0.074 314.4
2023 0.070 313.6
2024 0.032 312.0
2025 0.038 134.3
2026 0.065 132.9
2027 0.059 131.9
2028 0.040 130.2
2029 0.015 123.1
2030 0.013 325.4


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds09263%2B5847a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09263+5847 BUG 9 2004 1 133 0.1 17.14 17.54 T4+T4 N K 092615.37+584721.2

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