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10217-6920
RSS 13

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

10217-6920 RSS 13

10^h 21^m 40.76^s -69° 19' 59.0" P.A. 328.00 sep 46.2 mag 8.21,8.55 Sp K2III dist. 473.93 pc (1545.96 l.y.)

Coord 2000	10217-6920		Discov num	RSS 13		Comp			Coord arcsec 2000	10 21 40.76 -69 19 59.0
Date first	1892		Date last	2015		Obs	15
Pa first	319		Pa last	328		P.A. Now (θ)	328°
Sep first	66.0		Sep last	46.2		Sep. Now (ρ)	46.2"
Mag pri	8.21		Mag sec	8.55		delta mag (ΔM)	0.34		Spectral class	K2III (yellow-orange)
Pri motion ra	-024		Sec motion ra	+121
Pri motion dec	+014		Sec motion dec	-076
Notes	N L Y (See Notes, Linear solution, Parallax indicates components are non-physical)

rPM=1.194

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	328.3		Precise sep	46.161		Constellation	Carina		HIP	50741
Tycho2	9210-01089-1		Gaia DR2	5232425001641982592		HD	90121		CP	CP-68 1124
Distance	473.93		Distance ly	1545.96

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10217-6920	RSS 13		2000	11	327	48.3	8.21	8.55	K2III	NLD	102140.76-691959.0
10217-6920	RSS 13		2001	14	327	48.0	8.21	8.55	K2III	NLD	102140.76-691959.0
10217-6920	RSS 13		2010	14	328	46.6	8.21	8.55	K2III	NLUY	102140.76-691959.0
10217-6920	RSS 13		2015	15	328	46.2	8.21	8.55	K2III	NL Y	102140.76-691959.0

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