19379+4917 HJ 1428 BC

19^h 37^m 53.91^s +49° 16' 44.3" P.A. 259.00 sep 30.5 mag 10.19,10.97

Coord 2000	19379+4917		Discov num	HJ 1428		Comp	BC		Coord arcsec 2000	19 37 53.91 +49 16 44.3
Date first	1985		Date last	2018		Obs	10
Pa first	259		Pa last	258.6		P.A. Now (θ)	258.6°
Sep first	30.8		Sep last	30.493		Sep. Now (ρ)	30.493"
Mag pri	10.19		Mag sec	10.97		delta mag (ΔM)	0.78		Spectral class
Pri motion ra	-002		Sec motion ra	+004
Pri motion dec	-003		Sec motion dec	-006
Notes	N (See Notes)

rPM=0.93

This double is not physical.

19379+4917 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 185657	48673	19 37 57 +49 17 04	HJ 1428 AB	2015	20	232	35.5	6.60	10.19	3.59
Show		48673	19 37 57 +49 17 04	HJ 1428 AC	2015	23	244	64.4	6.60	10.97	4.37
Show			19 37 54 +49 16 44	HJ 1428 BC	2018	10	259	30.5	10.19	10.97	0.78		<===
Show			19 37 54 +49 16 44	HJ 1428 BD	2015	15	274	10.7	10.19	13.80	3.61

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

HIP

96569

Gaia DR2

2135001304810417408