01366+5550 STI1638

Coord 2000	01366+5550		Discov num	STI1638		Comp			Coord arcsec 2000	01 36 37.75 +55 50 17.5
Date first	1911		Date last	2015		Obs	9
Pa first	124		Pa last	127		P.A. Now (θ)	127°
Sep first	6.9		Sep last	7.3		Sep. Now (ρ)	7.3"
Mag pri	12.26		Mag sec	12.80		delta mag (ΔM)	0.54		Spectral class
Pri motion ra	-012		Sec motion ra	-005
Pri motion dec	+000		Sec motion dec	-002
Notes

rPM=0.607 Nature of this double is uncertain.

Precise pa	127.3		Precise sep	7.285		Constellation	Cassiopeia		Tycho2	3675-01115-1
Gaia DR2	409630208055227904

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01366+5550	STI1638		1999	4	128	7.2	12.26	12.80		D	013637.75+555017.5
01366+5550	STI1638		2003	6	127	7.2	12.26	12.80		D	013637.75+555017.5
01366+5550	STI1638		2012	7	127	7.2	12.26	12.80			013637.75+555017.5
01366+5550	STI1638		2015	9	127	7.3	12.26	12.80			013637.75+555017.5

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