00255+6129 BKO   4AC

Coord 2000	00255+6129		Discov num	BKO   4		Comp	AC		Coord arcsec 2000	00 25 28.40 +61 29 01.4
Date first	2000		Date last	2015		Obs	8
Pa first	309		Pa last	308		P.A. Now (θ)	308°
Sep first	5.0		Sep last	5.0		Sep. Now (ρ)	5"
Mag pri	12.40		Mag sec	15.30		delta mag (ΔM)	2.9		Spectral class	M (red)
Pri motion ra	-001		Sec motion ra
Pri motion dec	-004		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			00255+6129	STI 57	AB	1901	2015	16	359	6.8	12.40	12.90	0.50
Show			00255+6129	BKO 4	AC	2000	2015	8	308	5.0	12.40	15.30	2.90		<===
Show			00255+6129	MRI 33	AD	2000	2015	17	63	7.5	12.10	16.10	4.00

Quadruple system
4 visible stars in this system

Precise pa

308

Precise sep

4.982

Constellation

Cassiopeia

Gaia DR2

6157375488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00255+6129	BKO 4	AC	2001	1	310	4.9	11.55	12.90			002535.16+612848.5
00255+6129	BKO 4	AC	2003	3	309	4.8	12.40	15.30	M		002528.40+612901.4
00255+6129	BKO 4	AC	2011	4	308	4.6	12.40	15.30	M		002528.40+612901.4
00255+6129	BKO 4	AC	2015	5	308	5.0	12.40	15.30	M		002528.40+612901.4

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