20011+4816 STF2619AC

Coord 2000	20011+4816		Discov num	STF2619		Comp	AC		Coord arcsec 2000	20 01 01.69 +48 15 28.5
Date first	1828		Date last	2015		Obs	14
Pa first	280		Pa last	354		P.A. Now (θ)	354°
Sep first	12.0		Sep last	20.1		Sep. Now (ρ)	20.1"
Mag pri	8.91		Mag sec	12.60		delta mag (ΔM)	3.69		Spectral class	G5 (yellow)
Pri motion ra	-084		Sec motion ra
Pri motion dec	-079		Sec motion dec
Notes

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			20011+4816	STF2619	AB	1828	2016	69	239	4.2	8.91	8.92	0.01
Show			20011+4816	STF2619	AC	1828	2015	14	354	20.1	8.91	12.60	3.69		<===
Show			20011+4816	DEA 60	AE	2000	2000	1	7	61.7	6.70	12.45	5.75
Show			20011+4816	STF2619	BC	1878	2015	9	4	22.1	8.92	12.60	3.68
Show			20011+4816	STF2619	BD	1901	2015	6	6	16.9	8.92	13.90	4.98
Show			20011+4816	STF2619	CD	1854	2015	8	175	5.4	12.60	13.90	1.30

Quintuple system
5 visible stars in this system

Precise pa	353.7		Precise sep	20.13		Cdsa2 id	STF 2619 AC		Constellation	Cygnus
Ra deg	20.01713611111111		De deg	48.25791666666667		last precise pa	353.7		last precise sep	20.13

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20011+4816	STF2619	AC	1924	8	313	17.1	8.91	12.30	G5	D	200101.69+481528.5
20011+4816	STF2619	AC	2003	12	349	19.3	8.91	12.60	G5		200101.69+481528.5
20011+4816	STF2619	AC	2013	13	359	20.9	8.91	12.60	G5		200101.69+481528.5
20011+4816	STF2619	AC	2015	14	354	20.1	8.91	12.60	G5		200101.69+481528.5

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