01388+3839 BU 1166AC

Coord 2000	01388+3839		Discov num	BU 1166		Comp	AC		Coord arcsec 2000	01 38 46.74 +38 39 07.0
Date first	1898		Date last	2015		Obs	4
Pa first	9		Pa last	8		P.A. Now (θ)	8°
Sep first	24.8		Sep last	22.1		Sep. Now (ρ)	22.1"
Mag pri	7.90		Mag sec	14.03		delta mag (ΔM)	6.13		Spectral class	G5 (yellow)
Pri motion ra	-001		Sec motion ra	+015
Pri motion dec	+017		Sec motion dec	-014
Notes

rPM=1.7 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54863	01388+3839	BU 1166	AB	1890	1997	9	346	2.9	7.90	11.18	3.28
Show		54863	01388+3839	BU 1166	AC	1898	2015	4	8	22.1	7.90	14.03	6.13		<===

Triple system
3 visible stars in this system

Precise pa	7.8		Precise sep	22.077		Constellation	Andromeda		SAO	54863
HIP	7671		Tycho2	2814-00020-1		Gaia DR2	322768652016798208		HD	10033
BD	BD+37 335		Distance	303.95		Distance ly	991.48

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01388+3839	BU 1166	AC	1998	2	8	22.4	7.90	13.00	G5	D	013846.74+383907.0
01388+3839	BU 1166	AC	2001	3	8	22.3	7.90	13.00	G5	D	013846.74+383907.0
01388+3839	BU 1166	AC	2015	4	8	22.1	7.90	14.03	G5		013846.74+383907.0

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