02530+6028 BU 1375 AC

02^h 52^m 57.60^s +60° 28' 16.8" P.A. 24.00 sep 75.9 mag 7.25,12.54 Sp A7V dist. 71.79 pc (234.18 l.y.)

Coord 2000	02530+6028		Discov num	BU 1375		Comp	AC		Coord arcsec 2000	02 52 57.60 +60 28 16.8
Date first	1908		Date last	2014		Obs	10
Pa first	23		Pa last	23.5		P.A. Now (θ)	23.5°
Sep first	75.4		Sep last	75.943		Sep. Now (ρ)	75.943"
Mag pri	7.25		Mag sec	12.54		delta mag (ΔM)	5.29		Spectral class	A7V (white)
Pri motion ra	-002		Sec motion ra	-001
Pri motion dec	-005		Sec motion dec	+001
Notes

rPM=1.13

This double is not physical.

02530+6028 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		12485	02 52 58 +60 28 17	BU 1375 AB	2015	7	179	16.9	7.25	13.11	5.86
Show		12485	02 52 58 +60 28 17	BU 1375 AC	2014	10	24	75.9	7.25	12.54	5.29		<===
Show			02 52 58 +60 28 00	MLR 107 Ba,Bb	2008	2	313	3.4	13.11	15.00	1.89

Quadruple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cassiopeia		SAO	12485		HIP	13431		Tycho2	4048-01629-1
Gaia DR2	464665678471946112		HD	17688		BD	BD+59 559		Distance	71.79
Distance ly	234.18