09263+5847 BUG   9

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.

Precise pa	132.9		Precise sep	0.07		Constellation	Ursa Major		SAO	27250
last precise pa	132.9		last precise sep	0.07

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			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2010

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		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

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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