19435+4130 A 599 AB (HD 225531)

19^h 43^m 28.65^s +41° 29' 32.7" P.A. 201.00 sep 0.5 mag 9.90,10.04 Sp A2

Coord 2000	19435+4130		Discov num	A 599		Comp	AB		Coord arcsec 2000	19 43 28.65 +41 29 32.7
Date first	1903		Date last	2017		Obs	12
Pa first	203		Pa last	201.2		P.A. Now (θ)	201.2°
Sep first	0.5		Sep last	0.49		Sep. Now (ρ)	0.49"
Mag pri	9.90		Mag sec	10.04		delta mag (ΔM)	0.14		Spectral class	A2 (white)
Pri motion ra	+000		Sec motion ra	+000
Pri motion dec	-003		Sec motion dec	-003
Notes

Nature of this double is uncertain.

19435+4130 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 225531	48767	19 43 29 +41 29 33	A 599 AB	2017	12	201	0.5	9.90	10.04	0.14		<===
Show		48767	19 43 29 +41 29 33	A 599 AB,C	2002	4	47	42.7	9.28	14.00	4.72
Show			19 43 31 +41 30 02	A 599 CD	2015	4	81	2.9	13.50	14.00	0.50

Quadruple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 225531		Constellation	Cygnus		SAO	48767		Tycho2	3144-01299-1
Gaia DR2	2077028660879727872		HD	225531