20145+3648 BUP 207AE

Coord 2000	20145+3648		Discov num	BUP 207		Comp	AE		Coord arcsec 2000	20 14 31.98 +36 48 22.1
Date first	1896		Date last	2012		Obs	14
Pa first	343		Pa last	325		P.A. Now (θ)	325°
Sep first	39.8		Sep last	35.2		Sep. Now (ρ)	35.2"
Mag pri	4.96		Mag sec	12.20		delta mag (ΔM)	7.24		Spectral class	A2V (white)
Pri motion ra	+070		Sec motion ra	-002
Pri motion dec	+069		Sec motion dec	-007
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.065 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	29 Cyg	69678	20145+3648	ENG 72	AB	1887	2016	29	155	215.3	4.96	6.71	1.75
Show		69678	20145+3648	ENG 72	AC	1887	2012	23	22	212.3	4.96	9.99	5.03
Show		69678	20145+3648	BUP 207	AE	1896	2012	14	325	35.2	4.96	12.20	7.24		<===
Show		69678	20145+3648	SMR 39	AF	1896	2013	7	33	32.7	4.96	12.50	7.54
Show		69678	20145+3648	FYM 105	AH	2013	2013	1	133	10.0	4.96	12.00	7.04
Show		69681	20145+3648	ENG 72	BD	1894	2015	19	120	217.5	6.71	10.72	4.01

Septuple system
7 visible stars in this system

Precise pa	324.8		Precise sep	35.2		Other name	b3 Cyg		Var name	V1644 Cyg
Constellation	Cygnus		SAO	69678		HIP	99770		Tycho2	2683-03962-1
Gaia DR2	18197844608		HD	192640		HR	7736		GC	28124
BD	BD+36 3955		Flamsteed	29 Cygni		Flamsteed name	29 Cyg		Distance	42.7
Distance ly	139.29

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20145+3648	BUP 207	AE	1998	10	327	35.7	4.96	12.20	A2V	D	201431.98+364822.1
20145+3648	BUP 207	AE	2002	11	327	36.2	4.96	12.20	A2V	N D	201431.98+364822.1
20145+3648	BUP 207	AE	2012	12	325	35.4	4.96	12.20	A2V	N D	201431.98+364822.1

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