21519+4221 JOD  22BF

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	48		P.A. Now (θ)	48°
Sep first	2.1		Sep last	2.1		Sep. Now (ρ)	2.1"
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.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		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		51378	21 51 54 +42 20 39	JOD 22 BF	2008	1	48	2.1	11.26	17.50	6.24		<===

Sextuple system
6 visible stars in this system

Precise pa	47.7		Precise sep	2.078		Constellation	Cygnus		SAO	51378
HIP	107920		Tycho2	3193-02107-1		Gaia DR2	1960631095792724992		HD	207966
GL	Gl 838.3A		BD	BD+41 4291		Distance	29.33		Distance ly	95.67

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21519+4221	JOD 22	BF	2008	1	48	2.1	11.26	17.50	M0	N	215153.87+422039.1

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