00031+6942 BU  861AD

Coord 2000	00031+6942		Discov num	BU  861		Comp	AD		Coord arcsec 2000	00 03 04.97 +69 42 07.4
Date first	1907		Date last	2003		Obs	4
Pa first	273		Pa last	275		P.A. Now (θ)	275°
Sep first	16.8		Sep last	19.7		Sep. Now (ρ)	19.7"
Mag pri	11.31		Mag sec	15.60		delta mag (ΔM)	4.29		Spectral class
Pri motion ra	+031		Sec motion ra
Pri motion dec	+007		Sec motion dec
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			00031+6942	BU 861	AB	1881	2008	14	177	1.6	11.31	11.53	0.22
Show			00031+6942	BU 861	AC	1902	2003	5	38	14.8	11.31	13.70	2.39
Show			00031+6942	BU 861	AD	1907	2003	4	275	19.7	11.31	15.60	4.29		<===

Quadruple system
4 visible stars in this system

Precise pa	274.5		Precise sep	19.654		Constellation	Cepheus		Tycho2	4298-00695-1
last precise pa	274.5		last precise sep	19.654

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00031+6942	BU 861	AD	1999	3	275	19.7	11.31	15.60		D	000304.97+694207.4
00031+6942	BU 861	AD	2003	4	275	19.7	11.31	15.60		D	000304.97+694207.4

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