03356+4253 BUP 45 AC (HD 22157)

03^h 35^m 35.80^s +42° 53' 15.2" P.A. 90.00 sep 177.6 mag 7.45,7.98 Sp F8 dist. 248.14 pc (809.43 l.y.)

Coord 2000	03356+4253		Discov num	BUP 45		Comp	AC		Coord arcsec 2000	03 35 35.80 +42 53 15.2
Date first	1896		Date last	2015		Obs	19
Pa first	94		Pa last	90.4		P.A. Now (θ)	90.4°
Sep first	196.1		Sep last	177.56		Sep. Now (ρ)	177.56"
Mag pri	7.45		Mag sec	7.98		delta mag (ΔM)	0.53		Spectral class	F8 (yellow-white)
Pri motion ra	+149		Sec motion ra	+005
Pri motion dec	-155		Sec motion dec	-026
Notes	N (See Notes)

rPM=0.899

This double is not physical.

03356+4253 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		38968	03 35 36 +42 53 15	BUP 45 AB	2015	10	216	45.3	7.45	13.72	6.27
Show	HD 22157	38968	03 35 36 +42 53 15	BUP 45 AC	2015	19	90	177.6	7.45	7.98	0.53		<===
Show		38968	03 35 36 +42 53 15	LDS 9156 AD	2016	11	284	82.2	7.45	13.76	6.31

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 22157		Constellation	Perseus		SAO	38968		HIP	16774
Tycho2	2870-01435-1		Gaia DR2	238195901239543424		HD	22157		BD	BD+42 789
Distance	248.14		Distance ly	809.43