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Doubles in session

Current system

20375+1436
HJ 5545 AB,C

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

20375+1436 HJ 5545 AB,C

20^h 37^m 32.87^s +14° 35' 42.7" P.A. 139.00 sep 12.1 mag 3.68,13.50 Sp F5IV+G0 dist. 30.93 pc (100.89 l.y.)

Coord 2000	20375+1436		Discov num	HJ 5545		Comp	AB,C		Coord arcsec 2000	20 37 32.87 +14 35 42.7
Date first	1878		Date last	2011		Obs	32
Pa first	116		Pa last	138.7		P.A. Now (θ)	138.7°
Sep first	27.7		Sep last	12.107		Sep. Now (ρ)	12.107"
Mag pri	3.68		Mag sec	13.50		delta mag (ΔM)	9.82		Spectral class	F5IV+G0 (yellow-white/yellow)
Pri motion ra	+118		Sec motion ra	-008
Pri motion dec	-048		Sec motion dec	-024
Notes	N S (See Notes, Parallax indidates non-physical)

rPM=1.007

This double is not physical.

20375+1436 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Rotanev	106316	20 37 33 +14 35 43	BU 151 AB	2018	734	218	0.2	4.11	5.02	0.91	Y
Show		106316	20 37 33 +14 35 43	HJ 5545 AB,C	2011	32	139	12.1	3.68	13.50	9.82		<===
Show	Bet Del	106316	20 37 33 +14 35 43	STF 2704 AB,D	2014	60	317	47.8	3.68	11.40	7.72
Show		106316	20 37 33 +14 35 43	LBZ 1 AB,E	2014	9	271	112.6	3.68	11.63	7.95

Quintuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Delphinus		SAO	106316		HIP	101769		Tycho2	1100-01720-1
Gaia DR2	1810448909926616448		HD	196524		HR	7882		GC	28709
ADS	14073		BD	BD+14 4369		Bayer	Beta Delphini		Bayer name	Bet Del
Distance	30.93		Distance ly	100.89		Bayer greek	β Del