01577+1132 KU   75AC

Coord 2000	01577+1132		Discov num	KU   75		Comp	AC		Coord arcsec 2000	01 57 39.87 +11 31 44.9
Date first	1899		Date last	2015		Obs	16
Pa first	50		Pa last	50		P.A. Now (θ)	50°
Sep first	58.3		Sep last	58.2		Sep. Now (ρ)	58.2"
Mag pri	10.44		Mag sec	11.39		delta mag (ΔM)	0.95		Spectral class	F5 (yellow-white)
Pri motion ra	+055		Sec motion ra	+056
Pri motion dec	-014		Sec motion dec	-015
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.024 (< 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			01577+1132	KU 75	AB	1899	2015	13	60	40.8	10.44	12.20	1.76
Show			01577+1132	KU 75	AC	1899	2015	16	50	58.2	10.44	11.39	0.95		<===
Show			01577+1132	KU 75	BC	1899	2015	14	29	19.2	12.20	11.39	0.81

Triple system
3 visible stars in this system

Precise pa	49.9		Precise sep	58.194		Constellation	Aries		Tycho2	0626-00838-1
Gaia DR2	31755826176

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01577+1132	KU 75	AC	2000	7	50	58.2	10.44	11.39		D	015739.87+113144.9
01577+1132	KU 75	AC	2012	11	50	58.1	10.44	11.39		VD	015739.87+113144.9
01577+1132	KU 75	AC	2015	12	50	58.2	10.44	11.39	F5	V	015739.87+113144.9

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