20275+1454 A  1674AC

Coord 2000	20275+1454		Discov num	A  1674		Comp	AC		Coord arcsec 2000	20 27 31.64 +14 53 33.6
Date first	1897		Date last	2015		Obs	12
Pa first	293		Pa last	294		P.A. Now (θ)	294°
Sep first	8.4		Sep last	8.4		Sep. Now (ρ)	8.4"
Mag pri	9.72		Mag sec	12.50		delta mag (ΔM)	2.78		Spectral class	A0 (white)
Pri motion ra	+000		Sec motion ra	+001
Pri motion dec	-001		Sec motion dec	-001
Notes

rPM=0.707 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			20275+1454	A 1674	AB	1907	2018	9	14	0.9	9.80	13.10	3.30
Show			20275+1454	A 1674	AC	1897	2015	12	294	8.4	9.72	12.50	2.78		<===
Show			20275+1454	A 1674	CD	1907	2018	4	171	1.3	12.50	13.50	1.00

Quadruple system
4 visible stars in this system

Precise pa	294.2		Precise sep	8.377		Constellation	Delphinus		SAO	106127
Tycho2	1099-01659-1		Gaia DR2	09142322432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20275+1454	A 1674	AC	2006	8	290	8.1	9.72	12.50		D	202731.64+145333.6
20275+1454	A 1674	AC	2010	10	289	7.7	9.72	12.50	A0		202731.64+145333.6
20275+1454	A 1674	AC	2011	11	290	8.1	9.72	12.50	A0		202731.64+145333.6
20275+1454	A 1674	AC	2015	12	294	8.4	9.72	12.50	A0		202731.64+145333.6

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