20042+6434 BU 1479

Coord 2000	20042+6434		Discov num	BU 1479		Comp			Coord arcsec 2000	20 04 11.07 +64 34 14.1
Date first	1905		Date last	2015		Obs	8
Pa first	48		Pa last	46		P.A. Now (θ)	46°
Sep first	41.5		Sep last	43.0		Sep. Now (ρ)	43"
Mag pri	9.18		Mag sec	12.10		delta mag (ΔM)	2.92		Spectral class	K2 (yellow-orange)
Pri motion ra	+018		Sec motion ra	+004
Pri motion dec	+019		Sec motion dec	+014
Notes

rPM=0.568 Nature of this double is uncertain.

Precise pa	46.2		Precise sep	43.041		Constellation	Draco		SAO	18685
Tycho2	4240-00144-1		Gaia DR2	59710215040

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20042+6434	BU 1479		1999	2	46	43.2	9.18	12.10	K2	D	200411.07+643414.1
20042+6434	BU 1479		2003	3	46	43.4	9.18	12.10	K2	D	200411.07+643414.1
20042+6434	BU 1479		2010	4	46	43.1	9.18	12.10	K2		200411.07+643414.1
20042+6434	BU 1479		2015	5	46	43.1	9.18	12.10	K2		200411.07+643414.1

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