21519+4221 JOD 22 BF

21^h 51^m 53.87^s +42° 20' 39.1" P.A. 48.00 sep 2.1 mag 11.26,17.50 Sp M0

Coord 2000	21519+4221		Discov num	JOD 22		Comp	BF		Coord arcsec 2000	21 51 53.87 +42 20 39.1
Date first	2008		Date last	2008		Obs	1
Pa first	48		Pa last	47.7		P.A. Now (θ)	47.7°
Sep first	2.1		Sep last	2.078		Sep. Now (ρ)	2.078"
Mag pri	11.26		Mag sec	17.50		delta mag (ΔM)	6.24		Spectral class	M0 (red)
Pri motion ra	-175		Sec motion ra
Pri motion dec	-306		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

21519+4221 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 207966	51378	21 51 53 +42 20 38	HO 172 AB	2016	17	82	10.7	7.93	11.26	3.33
Show		51378	21 51 53 +42 20 38	HO 172 AC	2013	7	40	89.7	7.93	13.31	5.38
Show		51378	21 51 53 +42 20 38	HO 172 AD	2003	9	61	480.9	7.93	8.63	0.70
Show		51378	21 51 53 +42 20 38	FYM 113 AE	2015	4	20	64.4	7.93	14.96	7.03
Show			21 51 54 +42 20 39	JOD 22 BF	2008	1	48	2.1	11.26	17.50	6.24		<===

Sextuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1960631095792724992