20238+3830 BKO 153BF

Coord 2000	20238+3830		Discov num	BKO 153		Comp	BF		Coord arcsec 2000	20 23 48.89 +38 30 03.8
Date first	1998		Date last	2012		Obs	4
Pa first	323		Pa last	323		P.A. Now (θ)	323°
Sep first	16.0		Sep last	16.0		Sep. Now (ρ)	16"
Mag pri	12.12		Mag sec	13.70		delta mag (ΔM)	1.58		Spectral class
Pri motion ra	-004		Sec motion ra	-008
Pri motion dec	-003		Sec motion dec	-001
Notes	N (See Notes)

rPM=0.555 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20238+3830	BUP 209	AB	1879	2012	8	320	38.6	8.65	12.12	3.47
Show			20238+3830	BUP 209	AC	1879	2012	18	296	65.8	8.65	9.34	0.69
Show			20238+3830	BKO 153	AD	1895	2012	9	119	54.6	8.65	11.50	2.85
Show			20238+3830	BKO 153	BE	1998	2013	4	263	14.8	12.12	14.08	1.96
Show			20238+3830	BKO 153	BF	1998	2012	4	323	16.0	12.12	13.70	1.58		<===
Show			20238+3830	BKO 153	BG	1998	2012	4	30	14.8	12.12	14.40	2.28
Show			20238+3830	FYM 128	BH	1998	2012	3	221	10.7	12.12	15.56	3.44
Show			20238+3830	FYM 128	BI	1998	2012	3	58	31.6	12.12	14.41	2.29

Ninefold system
9 visible stars in this system

Precise pa	323		Precise sep	16		Cdsa2 id	BKO 153 BF		Constellation	Cygnus
Ra deg	20.39691388888889		De deg	38.50105555555555		last precise pa	323		last precise sep	16

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20238+3830	BKO 153	BF	2003	2	323	16.0	11.50	13.20		D	202348.89+383003.8
20238+3830	BKO 153	BF	2012	4	323	16.0	12.12	13.70		N	202348.89+383003.8

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