01111+5509 STT 553AB (The Cas)

Coord 2000	01111+5509		Discov num	STT 553		Comp	AB		Coord arcsec 2000	01 11 06.16 +55 08 59.6
Date first	1853		Date last	2012		Obs	12
Pa first	132		Pa last	143		P.A. Now (θ)	143°
Sep first	154.6		Sep last	126.4		Sep. Now (ρ)	126.4"
Mag pri	4.34		Mag sec	11.31		delta mag (ΔM)	6.97		Spectral class	A7V (white)
Pri motion ra	+227		Sec motion ra	+008
Pri motion dec	-019		Sec motion dec	+001
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	The Cas	22070	01111+5509	STT 553	AB	1853	2012	12	143	126.4	4.34	11.31	6.97		<===
Show		22070	01111+5509	FYM 8	AC	1999	2011	4	147	59.8	4.34	13.40	9.06

Triple system
3 visible stars in this system

Name	The Cas		Constellation	Cassiopeia		SAO	22070		HIP	5542
HD	6961		HR	343		GC	1424		BD	BD+54 236
Bayer	Theta Cassiopeiae		Bayer name	The Cas		Flamsteed	33 Cassiopeiae		Flamsteed name	33 Cas
Distance	40.95		Distance ly	133.58		last precise pa	142.8		last precise sep	126.36

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01111+5509	STT 553	AB	2012	12	143	126.4	4.34	11.31	A7V	NL U	011106.16+550859.6

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