20156+1526 HDS 2887 AB

20^h 15^m 33.68^s +15° 26' 12.9" P.A. 244.00 sep 4.7 mag 8.85,13.18 Sp A0p... dist. 699.3 pc (2281.12 l.y.)

Coord 2000	20156+1526		Discov num	HDS2887		Comp	AB		Coord arcsec 2000	20 15 33.68 +15 26 12.9
Date first	1991		Date last	1991		Obs	2
Pa first	244		Pa last	243.8		P.A. Now (θ)	243.8°
Sep first	4.7		Sep last	4.72		Sep. Now (ρ)	4.72"
Mag pri	8.85		Mag sec	13.18		delta mag (ΔM)	4.33		Spectral class	A0p... (white)
Pri motion ra	-001		Sec motion ra	-001
Pri motion dec	-011		Sec motion dec	-011
Notes

Nature of this double is uncertain.

20156+1526 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105902	20 15 34 +15 26 13	HDS 2887 AB	1991	2	244	4.7	8.85	13.18	4.33		<===
Show	HD 192686	105902	20 15 34 +15 26 13	CHE 246 AC	2016	11	87	15.9	8.85	11.00	2.15
Show		105902	20 15 34 +15 26 13	CVP 1 AD	2016	8	340	39.7	8.85	12.75	3.90

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Delphinus		SAO	105902		HIP	99857		Tycho2	1618-01698-1
Gaia DR2	1808316544571397760		HD	192686		BD	BD+14 4240		Distance	699.3
Distance ly	2281.12