20152+5409 HO  455AE

Coord 2000	20152+5409		Discov num	HO  455		Comp	AE		Coord arcsec 2000	20 15 13.60 +54 08 47.6
Date first	1889		Date last	2015		Obs	15
Pa first	76		Pa last	71		P.A. Now (θ)	71°
Sep first	36.7		Sep last	39.6		Sep. Now (ρ)	39.6"
Mag pri	7.46		Mag sec	10.44		delta mag (ΔM)	2.98		Spectral class	M0 (red)
Pri motion ra	-013		Sec motion ra
Pri motion dec	-032		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		32392	20152+5409	HO 455	AB	1889	2015	8	83	35.1	7.46	12.00	4.54
Show		32392	20152+5409	HO 455	AD	1889	2015	13	263	31.4	7.46	11.07	3.61
Show		32392	20152+5409	HO 455	AE	1889	2015	15	71	39.6	7.46	10.44	2.98		<===
Show		32392	20152+5409	HO 455	BC	1889	2009	6	181	3.6	12.00	12.50	0.50
Show		32392	20152+5409	HO 455	BE	1904	2015	9	30	5.6	12.00	10.44	1.56

Quintuple system
5 visible stars in this system

Precise pa	70.9		Precise sep	39.612		Constellation	Cygnus		SAO	32392
HIP	99822		Tycho2	3937-00865-1		Gaia DR2	42102501504		HD	192967
BD	BD+53 2374		Distance	420.17		Distance ly	1370.59

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20152+5409	HO 455	AE	2000	11	72	39.5	7.46	10.50	M0	D	201513.60+540847.6
20152+5409	HO 455	AE	2009	12	71	40.0	7.46	11.50	M0	D	201513.60+540847.6
20152+5409	HO 455	AE	2011	14	72	39.4	7.46	10.44	M0	N	201513.60+540847.6
20152+5409	HO 455	AE	2015	15	71	39.6	7.46	10.44	M0	N	201513.60+540847.6

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