20275-0206 S   749AB

Coord 2000	20275-0206		Discov num	S   749		Comp	AB		Coord arcsec 2000	20 27 27.56 -02 06 10.5
Date first	1800		Date last	2019		Obs	43
Pa first	193		Pa last	189		P.A. Now (θ)	189°
Sep first	61.5		Sep last	60.1		Sep. Now (ρ)	60.1"
Mag pri	6.76		Mag sec	7.51		delta mag (ΔM)	0.75		Spectral class	F7V+G2V+ (yellow-white/yellow)
Pri motion ra	-066		Sec motion ra	-062
Pri motion dec	-068		Sec motion dec	-069
Notes	N T (See Notes, Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.044 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20275-0206	LSC 89	Aa,Ab	2014	2015	4	197	0.0	7.30	7.70	0.40
Show			20275-0206	S 749	AB	1800	2019	43	189	60.1	6.76	7.51	0.75		<===
Show			20275-0206	S 749	AC	1891	2015	10	329	45.3	6.76	11.30	4.54
Show			20275-0206	S 749	AD	1891	2015	9	269	90.4	6.76	12.37	5.61
Show			20275-0206	S 749	CD	1891	2015	12	239	78.1	10.80	11.00	0.20
Show			20275-0206	S 749	CE	1908	2015	6	198	18.9	10.80	13.70	2.90
Show			20275-0206	S 749	DF	1908	2015	7	26	5.8	11.00	13.60	2.60

Septuple system
6 visible stars in this system

Precise pa	188.9		Precise sep	60.1		Constellation	Aquila		HIP	100896
Tycho2	5167-00198-1		Gaia DR2	67990334976		HD	194765		BD	BD-02 5283
Distance	45.79		Distance ly	149.37

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20275-0206	S 749	AB	2002	31	189	59.7	6.76	7.51	F7V	NZDV	202727.56-020610.5
20275-0206	S 749	AB	2012	33	188	59.7	6.76	7.51	F7V	NZDV	202727.56-020610.5
20275-0206	S 749	AB	2015	36	189	59.9	6.76	7.51	F7V+G2V+	NZ V	202727.56-020610.5
20275-0206	S 749	AB	2016	37	188	60.0	6.76	7.51	F7V+G2V+	NZ V	202727.56-020610.5
20275-0206	S 749	AB	2017	38	189	59.8	6.76	7.51	F7V+G2V+	NZ V	202727.56-020610.5
20275-0206	S 749	AB	2018	40	189	59.8	6.76	7.51	F7V+G2V+	NZ V	202727.56-020610.5
20275-0206	S 749	AB	2019	43	189	60.1	6.76	7.51	F7V+G2V+	NT	202727.56-020610.5

If you need more information about this double, apply for a data request form to the WDS.