20299+4022 HJ 1525AC

Coord 2000	20299+4022		Discov num	HJ 1525		Comp	AC		Coord arcsec 2000	20 29 54.13 +40 22 01.2
Date first	1925		Date last	2015		Obs	11
Pa first	38		Pa last	39		P.A. Now (θ)	39°
Sep first	15.6		Sep last	17.1		Sep. Now (ρ)	17.1"
Mag pri	9.13		Mag sec	13.50		delta mag (ΔM)	4.37		Spectral class	A2 (white)
Pri motion ra	+007		Sec motion ra	+013
Pri motion dec	+002		Sec motion dec	+011
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.635 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		49698	20299+4022	HJ 1525	AB	1828	2019	31	234	9.2	9.13	9.58	0.45
Show		49698	20299+4022	HJ 1525	AC	1925	2015	11	39	17.1	9.13	13.50	4.37		<===

Triple system
3 visible stars in this system

Precise pa	38.5		Precise sep	17.123		Constellation	Cygnus		SAO	49698
Tycho2	3156-01942-1		Gaia DR2	61145466496		HD	195448

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20299+4022	HJ 1525	AC	1998	2	39	17.0	9.13	13.50	A2	D	202954.13+402201.2
20299+4022	HJ 1525	AC	2009	3	39	16.8	9.13	13.50	A2	D	202954.13+402201.2
20299+4022	HJ 1525	AC	2013	5	41	18.0	9.13	13.50	A2	N	202954.13+402201.2
20299+4022	HJ 1525	AC	2015	7	39	17.1	9.13	13.50	A2	N	202954.13+402201.2

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