21146+3832 SEI 1464 AB

21^h 14^m 37.48^s +38° 31' 26.2" P.A. 264.00 sep 28.9 mag 11.15,12.36

Coord 2000	21146+3832		Discov num	SEI1464		Comp	AB		Coord arcsec 2000	21 14 37.48 +38 31 26.2
Date first	1895		Date last	2015		Obs	10
Pa first	264		Pa last	264.1		P.A. Now (θ)	264.1°
Sep first	28.2		Sep last	28.882		Sep. Now (ρ)	28.882"
Mag pri	11.15		Mag sec	12.36		delta mag (ΔM)	1.21		Spectral class
Pri motion ra	+002		Sec motion ra	-006
Pri motion dec	-004		Sec motion dec	-005
Notes

rPM=1.032

This double is not physical.

21146+3832 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 14 37 +38 31 26	SEI 1464 AB	2015	10	264	28.9	11.15	12.36	1.21		<===
Show			21 14 37 +38 31 26	GUR 24 AC	2015	7	264	7.4	11.11	14.00	2.89
Show			21 14 37 +38 31 26	GUR 24 AD	2015	7	218	5.4	11.11	14.70	3.59

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3169-01755-1

Gaia DR2

1965006400458658944