19501+3158 HDS2823Aa,Ab

Coord 2000	19501+3158		Discov num	HDS2823		Comp	Aa,Ab		Coord arcsec 2000	19 50 01.93 +31 57 57.5
Date first	1991		Date last	1991		Obs	1
Pa first	91		Pa last	91		P.A. Now (θ)	91°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	10.33		Mag sec	13.79		delta mag (ΔM)	3.46		Spectral class	F8 (yellow-white)
Pri motion ra	-124		Sec motion ra
Pri motion dec	-126		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 50 02 +31 57 58	HDS 2823 Aa,Ab	1991	1	91	0.7	10.33	13.79	3.46		<===
Show			19 50 02 +31 57 58	ES 2427 AB	2015	10	50	16.1	10.70	12.40	1.70

Triple system
2 visible stars in this system

Precise pa	91		Precise sep	0.687		Constellation	Cygnus		HIP	97579
Tycho2	2673-03038-1		Gaia DR2	2033792908747408384		HD	331288		BD	BD+31 3800
Distance	62.42		Distance ly	203.61

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19501+3158	HDS2823	Aa,Ab	1991	1	91	0.7	10.33	13.79	F8		195001.93+315757.5

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