01391+2656 BU  508AB

Coord 2000	01391+2656		Discov num	BU  508		Comp	AB		Coord arcsec 2000	01 39 08.52 +26 56 08.0
Date first	1877		Date last	2018		Obs	32
Pa first	71		Pa last	53		P.A. Now (θ)	53°
Sep first	1.0		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	9.81		Mag sec	10.02		delta mag (ΔM)	0.21		Spectral class	F8 (yellow-white)
Pri motion ra	-006		Sec motion ra	-006
Pri motion dec	-005		Sec motion dec	-005
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		74852	01391+2656	BU 508	AB	1877	2018	32	53	0.7	9.81	10.02	0.21		<===
Show		74852	01391+2656	BU 508	AB,C	1895	2014	9	44	74.5	9.22	12.02	2.80

Triple system
4 visible stars in this system

Precise pa	53.2		Precise sep	0.668		Constellation	Pisces		SAO	74852
Tycho2	1752-00047-1		Gaia DR2	8086307328		HD	10096

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01391+2656	BU 508	AB	2000	26	54	0.6	9.81	10.02	F8		013908.52+265608.0
01391+2656	BU 508	AB	2007	27	55	0.6	9.81	10.02	F8		013908.52+265608.0
01391+2656	BU 508	AB	2009	29	52	0.6	9.81	10.02	F8		013908.52+265608.0
01391+2656	BU 508	AB	2015	30	53	0.7	9.81	10.02	F8		013908.52+265608.0
01391+2656	BU 508	AB	2018	31	53	0.7	9.81	10.02	F8		013908.52+265608.0

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