01245+3902 BKO  10AF

Coord 2000	01245+3902		Discov num	BKO  10		Comp	AF		Coord arcsec 2000	01 24 30.85 +39 01 30.3
Date first	1928		Date last	2015		Obs	13
Pa first	269		Pa last	270		P.A. Now (θ)	270°
Sep first	139.0		Sep last	141.7		Sep. Now (ρ)	141.7"
Mag pri	7.96		Mag sec	11.17		delta mag (ΔM)	3.21		Spectral class	G5 (yellow)
Pri motion ra	+005		Sec motion ra	-021
Pri motion dec	-014		Sec motion dec	-012
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.078 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54667	01245+3902	STTA 17	AB	1875	2015	30	101	35.4	7.96	9.80	1.84
Show		54667	01245+3902	STTA 17	AC	1875	2014	30	347	134.9	7.96	8.47	0.51
Show		54667	01245+3902	BKO 10	AF	1928	2015	13	270	141.7	7.96	11.17	3.21		<===
Show		54666	01245+3902	STTA 17	CD	1875	2015	26	279	68.9	8.47	9.79	1.32
Show		54666	01245+3902	STTA 17	CE	1911	2015	7	14	81.2	8.47	13.30	4.83

Sextuple system
6 visible stars in this system

Precise pa	269.9		Precise sep	141.74		Constellation	Andromeda		SAO	54667
HIP	6578		Tycho2	2813-01613-1		Gaia DR2	8161014912		HD	8481
BD	BD+38 255		Distance	182.48		Distance ly	595.25

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01245+3902	BKO 10	AF	2001	6	270	142.0	7.96	11.17	G5	D	012430.85+390130.3
01245+3902	BKO 10	AF	2007	7	270	141.8	7.96	11.17	G5	N D	012430.85+390130.3
01245+3902	BKO 10	AF	2015	10	270	141.7	7.96	11.17	G5	N	012430.85+390130.3

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