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19506+3843
HJ 603 BC

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19506+3843 HJ 603 BC

19^h 50^m 38.40^s +38° 42' 58.5" P.A. 309.00 sep 150.5 mag 10.54,12.60

Coord 2000	19506+3843		Discov num	HJ 603		Comp	BC		Coord arcsec 2000	19 50 38.40 +38 42 58.5
Date first	1923		Date last	2015		Obs	10
Pa first	310		Pa last	309.3		P.A. Now (θ)	309.3°
Sep first	151.0		Sep last	150.498		Sep. Now (ρ)	150.498"
Mag pri	10.54		Mag sec	12.60		delta mag (ΔM)	2.06		Spectral class
Pri motion ra	+002		Sec motion ra	-003
Pri motion dec	+003		Sec motion dec	-002
Notes	N (See Notes)

rPM=1.961

This double is not physical.

19506+3843 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	19 Cyg	68947	19 50 34 +38 43 21	HJ 603 AB	2015	31	115	56.8	5.38	10.54	5.16
Show		68947	19 50 34 +38 43 21	HJ 603 AC	2015	9	318	96.6	5.38	12.60	7.22
Show		68947	19 50 34 +38 43 21	HJ 603 AD	2014	10	309	163.8	5.38	11.90	6.52
Show			19 50 38 +38 42 58	HJ 603 BC	2015	10	309	150.5	10.54	12.60	2.06		<===
Show			19 50 38 +38 42 58	HJ 603 BE	2015	11	10	20.8	10.54	13.50	2.96

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2072979370029521152