01409+4952 HU  531AB,C

Coord 2000	01409+4952		Discov num	HU  531		Comp	AB,C		Coord arcsec 2000	01 40 52.28 +49 52 29.9
Date first	1902		Date last	2015		Obs	27
Pa first	281		Pa last	280		P.A. Now (θ)	280°
Sep first	6.0		Sep last	6.1		Sep. Now (ρ)	6.1"
Mag pri	9.84		Mag sec	10.02		delta mag (ΔM)	0.18		Spectral class	K1V (yellow-orange)
Pri motion ra	+054		Sec motion ra	+048
Pri motion dec	-017		Sec motion dec	-028
Notes	N (See Notes)

rPM=0.221 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01409+4952	HU 531	AB	1902	2016	23	348	0.4	9.50	10.00	0.50	Y
Show			01409+4952	HU 531	AB,C	1902	2015	27	280	6.1	9.84	10.02	0.18		<===
Show			01409+4952	HU 531	BC	1991	2016	5	281	6.2	9.84	10.02	0.18

Triple system
4 visible stars in this system

Precise pa	279.5		Precise sep	6.13		Constellation	Andromeda		HIP	7841
Tycho2	3286-02300-1		BD	BD+49 435		Distance	89.85		Distance ly	293.09

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01409+4952	HU 531	AB,C	2007	21	280	6.2	9.84	10.02		N D	014051.61+495231.3
01409+4952	HU 531	AB,C	2011	22	280	6.1	9.84	10.02		N D	014051.61+495231.3
01409+4952	HU 531	AB,C	2015	26	280	6.1	9.84	10.02	K1V	N	014052.28+495229.0

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