01309+5244 GIC  23

Coord 2000	01309+5244		Discov num	GIC  23		Comp			Coord arcsec 2000	01 30 55.18 +52 44 42.8
Date first	1954		Date last	2015		Obs	17
Pa first	36		Pa last	34		P.A. Now (θ)	34°
Sep first	21.8		Sep last	22.5		Sep. Now (ρ)	22.5"
Mag pri	10.23		Mag sec	13.82		delta mag (ΔM)	3.59		Spectral class	K2 (yellow-orange)
Pri motion ra	-183		Sec motion ra	-188
Pri motion dec	-036		Sec motion dec	-039
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.03 (< 0.3, Physical double) This double is physical.

Precise pa	34.3		Precise sep	22.486		Constellation	Perseus		Tycho2	3670-00053-1
Gaia DR2	6301959808

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01309+5244	GIC 23		2003	7	35	22.5	10.23	13.82	K2	N D	013055.18+524442.8
01309+5244	GIC 23		2004	9	35	22.5	10.23	13.82	K2	N D	013055.18+524442.8
01309+5244	GIC 23		2010	12	34	22.5	10.23	13.82	K2	NV	013055.18+524442.8
01309+5244	GIC 23		2015	13	34	22.5	10.23	13.82	K2	NV	013055.18+524442.8

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