01128+6239 MLB1057AB

Coord 2000	01128+6239		Discov num	MLB1057		Comp	AB		Coord arcsec 2000	01 12 54.62 +62 38 27.3
Date first	1923		Date last	2015		Obs	9
Pa first	220		Pa last	221		P.A. Now (θ)	221°
Sep first	8.7		Sep last	9.2		Sep. Now (ρ)	9.2"
Mag pri	10.40		Mag sec	13.50		delta mag (ΔM)	3.1		Spectral class	A0IIIp (white)
Pri motion ra	-005		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01128+6239	TDS1801	Aa,Ab	1991	1991	1	312	0.4	11.09	11.09	0.00
Show			01128+6239	MLB1057	AB	1923	2015	9	221	9.2	10.40	13.50	3.10		<===
Show			01128+6239	MLB1057	AC	1923	2015	9	15	11.7	10.40	12.91	2.51

Quadruple system
3 visible stars in this system

Precise pa	220.5		Precise sep	9.181		Constellation	Cassiopeia		Tycho2	4034-00487-1
Gaia DR2	1287549440

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01128+6239	MLB1057	AB	1999	3	221	9.2	10.40	13.50	A0IIIp	D	011254.62+623827.3
01128+6239	MLB1057	AB	2003	4	221	9.2	10.40	13.50	A0IIIp	UD	011254.62+623827.3
01128+6239	MLB1057	AB	2012	5	221	9.2	10.40	13.50	A0IIIp	UD	011254.62+623827.3
01128+6239	MLB1057	AB	2015	6	221	9.2	10.40	13.50	A0IIIp	U	011254.62+623827.3

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