01277+6321 STI 215AB

Coord 2000	01277+6321		Discov num	STI 215		Comp	AB		Coord arcsec 2000	01 27 30.84 +63 21 37.8
Date first	1903		Date last	2015		Obs	8
Pa first	99		Pa last	109		P.A. Now (θ)	109°
Sep first	4.0		Sep last	4.4		Sep. Now (ρ)	4.4"
Mag pri	11.36		Mag sec	11.90		delta mag (ΔM)	0.54		Spectral class	A5 (white)
Pri motion ra	-020		Sec motion ra	+038
Pri motion dec	+005		Sec motion dec	+006
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.508 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01277+6321	STI 215	AB	1903	2015	8	109	4.4	11.36	11.90	0.54		<===
Show			01277+6321	MLB 382	AC	1903	2015	5	92	54.4	11.36	13.17	1.81
Show			01277+6321	MLB 382	AD	1903	2015	7	27	76.2	11.36	11.72	0.36

Quadruple system
4 visible stars in this system

Precise pa	108.9		Precise sep	4.433		Constellation	Cassiopeia		Tycho2	4035-00384-1
Gaia DR2	0164906496

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01277+6321	STI 215	AB	1999	4	109	4.4	11.36	11.90		N D	012730.84+632137.8
01277+6321	STI 215	AB	2003	5	109	4.4	11.36	11.90		N D	012730.84+632137.8
01277+6321	STI 215	AB	2012	6	109	4.5	11.36	11.90		N D	012730.84+632137.8
01277+6321	STI 215	AB	2015	8	109	4.4	11.36	11.90	A5	N	012730.84+632137.8

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