20027+3355 BKO 522BC

Coord 2000	20027+3355		Discov num	BKO 522		Comp	BC		Coord arcsec 2000	20 02 40.10 +33 55 12.6
Date first	2008		Date last	2008		Obs	1
Pa first	15		Pa last	15		P.A. Now (θ)	15°
Sep first	1.9		Sep last	1.9		Sep. Now (ρ)	1.9"
Mag pri	13.50		Mag sec	13.50		delta mag (ΔM)	0		Spectral class
Pri motion ra	-009		Sec motion ra
Pri motion dec	-033		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star 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			20027+3355	BKO 522	AB	1998	2015	4	340	6.8	12.50	13.50	1.00
Show			20027+3355	BKO 522	AD	1998	2015	4	199	10.6	12.50	13.50	1.00
Show			20027+3355	BKO 522	BC	2008	2008	1	15	1.9	13.50	13.50	0.00		<===
Show			20027+3355	BKO 522	DE	1998	2015	4	154	4.4	13.50	14.00	0.50

Quintuple system
5 visible stars in this system

Precise pa

14.7

Precise sep

1.9

Constellation

Cygnus

Gaia DR2

31572437248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20027+3355	BKO 522	BC	2008	1	15	1.9	13.50	13.50		N	200240.10+335512.6

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