01339+7252 HJ 2049

Coord 2000	01339+7252		Discov num	HJ 2049		Comp			Coord arcsec 2000	01 33 55.16 +72 52 42.9
Date first	1831		Date last	2015		Obs	13
Pa first	167		Pa last	165		P.A. Now (θ)	165°
Sep first	3.0		Sep last	5.8		Sep. Now (ρ)	5.8"
Mag pri	9.90		Mag sec	11.90		delta mag (ΔM)	2		Spectral class	B8 (blue-white)
Pri motion ra	-007		Sec motion ra	-006
Pri motion dec	+004		Sec motion dec	+004
Notes

rPM=0.124 (< 0.3, Physical double) This double is physical.

Precise pa	164.9		Precise sep	5.806		Constellation	Cassiopeia		SAO	4431
Tycho2	4305-00138-1		Gaia DR2	5093935872

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01339+7252	HJ 2049		1999	6	165	5.7	9.90	11.90	B8	D	013355.16+725242.9
01339+7252	HJ 2049		2003	7	165	5.8	9.90	11.90	B8	D	013355.16+725242.9
01339+7252	HJ 2049		2012	8	165	5.9	9.90	11.90	B8	D	013355.16+725242.9
01339+7252	HJ 2049		2015	10	165	5.8	9.90	11.90	B8		013355.16+725242.9

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