23204+5530 ES 697 BC

23^h 20^m 26.10^s +55° 31' 26.8" P.A. 71.00 sep 3.8 mag 9.89,13.40 Sp A

Coord 2000	23204+5530		Discov num	ES 697		Comp	BC		Coord arcsec 2000	23 20 26.10 +55 31 26.8
Date first	1908		Date last	2015		Obs	4
Pa first	75		Pa last	70.7		P.A. Now (θ)	70.7°
Sep first	3.9		Sep last	3.8		Sep. Now (ρ)	3.8"
Mag pri	9.89		Mag sec	13.40		delta mag (ΔM)	3.51		Spectral class	A (white)
Pri motion ra	-006		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

Nature of this double is uncertain.

23204+5530 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 220087	35337	23 20 28 +55 30 22	ES 697 AB	2016	14	344	67.9	9.10	9.89	0.79
Show			23 20 26 +55 31 27	ES 697 BC	2015	4	71	3.8	9.89	13.40	3.51		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cassiopeia

Tycho2

4003-01750-1

Gaia DR2

1996904534146902144