01526+3127 HJ  645

Coord 2000	01526+3127		Discov num	HJ  645		Comp			Coord arcsec 2000	01 52 36.06 +31 27 22.8
Date first	1827		Date last	2016		Obs	17
Pa first	115		Pa last	106		P.A. Now (θ)	106°
Sep first	5.0		Sep last	7.7		Sep. Now (ρ)	7.7"
Mag pri	8.90		Mag sec	10.70		delta mag (ΔM)	1.8		Spectral class	K0 (yellow-orange)
Pri motion ra	-011		Sec motion ra	-005
Pri motion dec	+009		Sec motion dec	+004
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.55 Nature of this double is uncertain.

Precise pa	105.6		Precise sep	7.726		Constellation	Triangulum		SAO	55052
Tycho2	2307-01453-1		Gaia DR2	0083122304

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01526+3127	HJ 645		1997	9	105	7.7	8.90	10.50	K0	D	015236.06+312722.8
01526+3127	HJ 645		2011	11	105	7.6	8.90	10.50	K0	D	015236.06+312722.8
01526+3127	HJ 645		2016	13	106	7.7	8.90	10.70	K0		015236.06+312722.8

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