20024+3519 ABH 127AE

Coord 2000	20024+3519		Discov num	ABH 127		Comp	AE		Coord arcsec 2000	20 02 23.28 +35 18 41.1
Date first	1894		Date last	2015		Obs	10
Pa first	240		Pa last	221		P.A. Now (θ)	221°
Sep first	17.2		Sep last	19.9		Sep. Now (ρ)	19.9"
Mag pri	9.20		Mag sec	13.60		delta mag (ΔM)	4.4		Spectral class	B2II: (blue-white)
Pri motion ra	-006		Sec motion ra	-009
Pri motion dec	-004		Sec motion dec	-008
Notes	N (See Notes)

rPM=0.415 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			20024+3519	ES 202	AB	1894	2015	13	100	17.9	9.20	10.90	1.70
Show			20024+3519	ES 202	AC	1894	2015	14	164	11.9	9.20	11.80	2.60
Show			20024+3519	ES 202	AD	1894	2015	11	133	23.1	9.20	11.80	2.60
Show			20024+3519	ABH 127	AE	1894	2015	10	221	19.9	9.20	13.60	4.40		<===
Show			20024+3519	ABH 127	AF	1988	2015	6	222	32.3	9.42	13.40	3.98
Show			20024+3519	ABH 127	AG	1988	2015	6	25	35.8	9.42	13.80	4.38
Show			20024+3519	ABH 127	AH	1988	2015	6	13	41.5	9.20	14.50	5.30
Show			20024+3519	ABH 127	AI	1988	2015	6	130	57.0	9.42	13.84	4.42
Show			20024+3519	ABH 127	AJ	1988	2015	6	108	62.0	9.42	13.65	4.23
Show			20024+3519	ABH 127	AK	1941	2015	7	108	98.9	9.42	12.83	3.41
Show			20024+3519	ABH 127	AL	1988	2015	5	112	96.5	9.42	12.83	3.41
Show			20024+3519	ES 202	AM	1905	2015	8	223	11.6	9.20	13.10	3.90
Show			20024+3519	ES 202	AN	1894	2015	6	102	22.8	9.20	14.40	5.20
Show			20024+3519	ES 202	AO	1926	2015	2	182	4.1	9.20	14.40	5.20
Show			20024+3519	FYM 84	AS	1998	2015	4	271	22.9	9.20	14.93	5.73
Show			20024+3519	ES 202	BD	1894	2015	12	184	12.9	10.90	11.80	0.90
Show			20024+3519	ES 202	BN	1894	2015	11	108	5.0	10.90	13.50	2.60
Show			20024+3519	ES 202	CD	1894	2015	10	109	14.2	11.80	11.80	0.00

16-fold system
16 visible stars in this system

Precise pa	221.2		Precise sep	19.885		Constellation	Cygnus		SAO	69299
Tycho2	2678-00029-1		Gaia DR2	32950407424		HD	227247

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20024+3519	ABH 127	AE	1998	6	222	20.0	9.19	13.55		D	200223.28+351841.1
20024+3519	ABH 127	AE	2002	7	222	19.9	9.20	13.60		N D	200223.28+351841.1
20024+3519	ABH 127	AE	2011	8	222	19.8	9.20	13.60		N D	200223.28+351841.1
20024+3519	ABH 127	AE	2012	9	222	20.0	9.20	13.60		N D	200223.28+351841.1
20024+3519	ABH 127	AE	2015	10	221	19.9	9.20	13.60	B2II:	N	200223.28+351841.1

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