20008+2949 BU  439AC

Coord 2000	20008+2949		Discov num	BU  439		Comp	AC		Coord arcsec 2000	20 00 46.25 +29 49 19.4
Date first	1907		Date last	2014		Obs	7
Pa first	195		Pa last	201		P.A. Now (θ)	201°
Sep first	49.6		Sep last	38.5		Sep. Now (ρ)	38.5"
Mag pri	7.89		Mag sec	12.25		delta mag (ΔM)	4.36		Spectral class	G0V (yellow)
Pri motion ra	+016		Sec motion ra	+003
Pri motion dec	-115		Sec motion dec	-004
Notes

rPM=0.963 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20008+2949	BU 439	AB	1876	1925	16	240	2.9	7.89	12.70	4.81
Show			20008+2949	BU 439	AC	1907	2014	7	201	38.5	7.89	12.25	4.36		<===
Show			20008+2949	FOX9033	AD	1913	2000	3	60	10.8	7.89	12.00	4.11
Show			20008+2949	FOX9033	AE	1913	2002	3	122	23.2	7.89	14.40	6.51

Quintuple system
5 visible stars in this system

Precise pa	200.5		Precise sep	38.477		Cdsa2 id	BU 439 AC		Constellation	Cygnus
Ra deg	20.012847222222224		De deg	29.822055555555554		last precise pa	200.5		last precise sep	38.477

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20008+2949	BU 439	AC	1913	2	195	49.5	7.89	12.00			200046.25+294919.4
20008+2949	BU 439	AC	2002	5	200	39.5	7.89	12.25	G0V		200046.25+294919.4
20008+2949	BU 439	AC	2014	6	201	37.7	7.89	12.25	G0V		200046.25+294919.4

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