01274+6017 BU 1102A,BC

Coord 2000	01274+6017		Discov num	BU 1102		Comp	A,BC		Coord arcsec 2000	01 27 26.31 +60 17 04.1
Date first	1889		Date last	2014		Obs	16
Pa first	265		Pa last	265		P.A. Now (θ)	265°
Sep first	60.3		Sep last	63.5		Sep. Now (ρ)	63.5"
Mag pri	7.96		Mag sec	10.70		delta mag (ΔM)	2.74		Spectral class	B3Ia (blue-white)
Pri motion ra	-002		Sec motion ra	-025
Pri motion dec	-001		Sec motion dec	-013
Notes

rPM=0.921 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		11765	01274+6017	BU 1102	A,BC	1889	2014	16	265	63.5	7.96	10.70	2.74		<===
Show		11765	01274+6017	BU 1102	BC	1889	2009	10	340	0.9	10.30	10.30	0.00

Triple system
4 visible stars in this system

Precise pa	264.8		Precise sep	63.464		Constellation	Cassiopeia		SAO	11765
HIP	6793		Tycho2	4031-01074-1		Gaia DR2	4878764800		HD	236740
BD	BD+59 251		Distance	1190.48		Distance ly	3883.35

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01274+6017	BU 1102	A,BC	2008	12	265	63.7	7.96	10.70	B3Ia	D	012726.31+601704.1
01274+6017	BU 1102	A,BC	2014	16	265	63.5	7.96	10.70	B3Ia		012726.31+601704.1

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