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09476+5057
HU 630

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

09476+5057 HU 630

09^h 47^m 36.09^s +50° 57' 17.3" P.A. 74.00 sep 2.2 mag 9.43,9.58 Sp G5 dist. 224.22 pc (731.41 l.y.)

Coord 2000	09476+5057		Discov num	HU 630		Comp			Coord arcsec 2000	09 47 36.09 +50 57 17.3
Date first	1903		Date last	2017		Obs	27
Pa first	73		Pa last	74		P.A. Now (θ)	74°
Sep first	2.4		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	9.43		Mag sec	9.58		delta mag (ΔM)	0.15		Spectral class	G5 (yellow)
Pri motion ra	-077		Sec motion ra	-066
Pri motion dec	-022		Sec motion dec	-008
Notes

rPM=0.222 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	74		Precise sep	2.2		Constellation	Ursa Major		SAO	27382
HIP	48041		Tycho2	3439-00970-1		Gaia DR2	827666861096230656		HD	84540
BD	BD+51 1543		Distance	224.22		Distance ly	731.41

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09476+5057	HU 630		2000	18	74	2.2	9.43	9.58	G5	D	094736.09+505717.3
09476+5057	HU 630		2011	19	74	2.1	9.43	9.58	G5	D	094736.09+505717.3
09476+5057	HU 630		2013	22	73	2.2	9.43	9.58	G5		094736.09+505717.3
09476+5057	HU 630		2017	24	74	2.2	9.43	9.58	G5		094736.09+505717.3

If you need more information about this double, apply for a data request form to the WDS.