10279+4911 LDS3989

Coord 2000	10279+4911		Discov num	LDS3989		Comp			Coord arcsec 2000	10 27 51.05 +49 11 56.9
Date first	1960		Date last	2015		Obs	7
Pa first	246		Pa last	247		P.A. Now (θ)	247°
Sep first	31.0		Sep last	31.3		Sep. Now (ρ)	31.3"
Mag pri	12.89		Mag sec	15.36		delta mag (ΔM)	2.47		Spectral class
Pri motion ra	-089		Sec motion ra
Pri motion dec	-074		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa

247.3

Precise sep

31.271

Constellation

Ursa Major

Gaia DR2

6317672064

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10279+4911	LDS3989		2000	3	247	31.2	14.00	16.80		D	102751.05+491156.9
10279+4911	LDS3989		2004	5	247	31.4	14.00	16.80		D	102751.05+491156.9
10279+4911	LDS3989		2010	6	247	31.3	12.89	15.36			102751.05+491156.9
10279+4911	LDS3989		2015	7	247	31.3	12.89	15.36			102751.05+491156.9

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