10320+0831 YSC 39

10^h 32^m 00.66^s +08° 30' 38.2" P.A. 22.00 sep 0.8 mag 10.78, Sp K5 dist. 34.22 pc (111.63 l.y.)

Coord 2000	10320+0831	Discov num	YSC 39	Comp		Coord arcsec 2000	10 32 00.66 +08 30 38.2
Date first	2007	Date last	2021	Obs	14
Pa first	53	Pa last	22.1	P.A. Now (θ)	22.1°
Sep first	0.8	Sep last	0.785	Sep. Now (ρ)	0.785"
Mag pri	10.78	Mag sec		delta mag (ΔM)		Spectral class	K5 (yellow-orange)
Pri motion ra	+068	Sec motion ra
Pri motion dec	-196	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Leo		HIP	51571		Gaia DR2	3863754056950355840		BD	BD+09 2366
Distance	34.22		Distance ly	111.63

ORBITAL ELEMENTS

Period (P)	178.9y	± 5.4	Periastron (T)	2000.07y	± 0.6	Semi-major axis (a)	1.083a	± 0.015
Eccentricity (e)	0.274	± 0.012	Inclination (i)	129.5°	± 1.6	Longitude of periastron (ω)	331.4°	± 2
Node (Ω)	50.95°	± 0.79	Notes			Reference	Hor2021b
Equinox			Last observation			Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	70.3	0.730
2001	67.6	0.743
2002	65.0	0.755
2003	62.5	0.767
2004	60.1	0.777
2005	57.8	0.787
2006	55.4	0.795
2007	53.2	0.802
2008	50.9	0.807
2009	48.7	0.812
2010	46.6	0.815
2011	44.4	0.818
2012	42.2	0.819
2013	40.1	0.819
2014	37.9	0.818
2015	35.8	0.816
2016	33.6	0.813
2017	31.4	0.810
2018	29.2	0.806
2019	27.0	0.801
2020	24.7	0.795
2021	22.4	0.790
2022	20.1	0.783
2023	17.7	0.777
2024	15.3	0.770
2025	12.8	0.764
2026	10.3	0.757
2027	7.8	0.751
2028	5.2	0.745
2029	2.6	0.739
2030	359.9	0.734
2031	357.2	0.729
2032	354.5	0.724
2033	351.7	0.720
2034	348.9	0.717
2035	346.1	0.715
2036	343.3	0.714
2037	340.4	0.713
2038	337.6	0.713
2039	334.8	0.714
2040	331.9	0.716
2041	329.1	0.719
2042	326.4	0.723
2043	323.6	0.728
2044	320.9	0.733
2045	318.2	0.740
2046	315.6	0.747
2047	313.1	0.755
2048	310.6	0.764
2049	308.1	0.774
2050	305.8	0.784

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 10320+0831 YSC 39 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hor2021b	S	Horch, E.P., Broderick, K.G., Casetti-Dinescu, D.I., Henry, T.J., Fekel, F.C.,	2021AJ....161..295H
Hor2021b
Hor2021b
Hor2021b

DISCOVERER

discov	author
HOR	Horch, E.P., Morgan, J.S., Giaretta, G., & Kasle, D.B.
HOR	Horch, E.P., Robinson, S.E., Ninkov, Z., van Altena, W.F., Meyer, R.D.,
HOR	Urban, S.E., & Mason, B.D.
HOR	Horch, E.P. Davidson, J.W., Jr., van Altena, W.F., Girard, T.M., Lopez, C.E.,
HOR	Franz, O.G., & Timothy, J.G.
HOR	Horch, E.P., van Altena, W.F., Cyr, W.M., Jr., Kinsman-Smith, L., Srivastava, A.,
HOR	& Zhou, J.
HOR	Horch, E.P., Gomez, S.C., Sherry, W.H., Howell, S.B., Ciardi, D.R.,
HOR	Anderson, L.M., & van Altena, W.F.
HOR	Horch, E.P., Bahi, L.A.P., Gaulin, J.R., Howell, S.B., Sherry, W.H., Galle, R.B.,
HOR	& van Altena, W.F.
HOR	Horch, E.P., van Altena, W.F., Demargue, P., Howell, S.B., Everett, M.E.,
HOR	Ciardi, D.R., Teske, J.K., Henry, T.J., & Winters, J.G.
HOR	Horch, E.P., Casetti-Dinescu, D.I., Camarata, M.A., Bidarian, A.,
HOR	van Altena, W.F., Sherry, W.H., Everett, M.E., Howell, S.B., Ciardi, D.R.,
HOR	Henry, T.J., Nusdeo, D.A., & Winters, J.G.
HOR	Horch, E.P., Tokovinin, A., Weiss, S.A., Lobb, J., Casetti-Dinescu, D.I.,
HOR	Horch, E.P., van Belle, G.T., Davidson, J.W., Jr., Willmarth, D., Fekel, F.C.,
HOR	Colton, N.M., Horch, E.P., Everett, M.E., Howell, S.B., Davidson, J.W., Jr.,
HOR	Horch, E.P., Broderick, K.G., Casetti-Dinescu, D.I., Henry, T.J., Fekel, F.C.,
HOR	Kalari, V.M., Horch, E.P., Salinas, R., Vink, J.S., Andersen, M., Bestenlehner,
YSC	Yale-Southern Connecticut (from additional DD list - see HOR)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
10320+0831	YSC 39		2007	1	53	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2010	2	47	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2014	5	38	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2016	6	33	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2018	7	29	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2019	8	24	0.8	10.78		K5	+09 2366		103200.66+083038.2
10320+0831	YSC 39		2021	13	22	0.8	10.78		K5	+09 2366	O	103200.66+083038.2

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

WDS 10320+0831 YSC 39 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10320+0831 YSC 39 : MEASURES

No records found.

WDS 10320+0831 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 10320+0831 : ALADIN DSS IMAGE @ 10^h 32^m 00.66^s +08° 30' 38.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10320+0831 YSC 39 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		10320+0831	YSC 39		22	0.8	0
Show		10312+0847	TDS7313		273	0.5	21
Show		10339+0845	BRT2150		101	3.3	32
Show		10319+0914	SLW 485		63	11.5	44
Show		10290+0822	GWP1384		356	102.2	46
Show		10350+0839	STF1450		155	2.1	46
Show		10328+0918	WRH 19		98	0.0	50
Show		10349+0804	OCC 178		-1	0.1	51
Show		10306+0918	OSW 51		313	9.4	52
Show		10291+0922	HEI 496		343	1.8	68
Show		10356+0731	SLW 498		79	179.1	80
Show		10334+0705	A 2767		53	5.4	89
Show		10305+0704	OCC 200		-1	0.1	91
Show		10259+0831	LDS 914		286	45.5	91
Show		10261+0802	A 2569		305	2.0	93
Show		10256+0847	STF1431		76	3.6	97
Show		10276+0946	HJ 832		132	37.8	100
Show		10348+0657	OCC 197		-1	0.1	103
Show		10252+0855	GWP1365		108	47.7	105
Show		10292+1009	STT 220		112	0.4	108
Show		10332+1021	SLW 490		241	22.0	112
Show		10360+0656	GWP1408		346	104.1	112
Show		10397+0851	STT 224	AB	121	0.4	116
Show		10397+0851	SCA 169	AC	37	2.1	116
Show		10335+1025	SLW 493		241	179.7	117
Show		10396+0741	CVR1301		151	3.6	123
Show		10369+0652	LDS2872		194	3.4	123
Show		10389+0721	J 79		135	1.4	124
Show		10391+0726	J 1351		96	6.5	125
Show		10235+0850	KPP2434		291	21.3	128
Show		10242+0738	CVR 563		146	22.4	128
Show		10333+0622	OCC9046	AB	-1	0.0	131
Show		10333+0622	OCC9046	AC	-1	0.0	131
Show		10321+0620	GWP1394		76	12.5	131
Show		10341+1041	GWP1399	AB	341	18.7	135
Show		10341+1041	GWP1399	AC	186	83.1	135
Show		10350+1038	SLW 496		75	37.7	136
Show		10241+0943	GRV 818		299	45.1	137
Show		10350+1042	SKF1732		208	1.8	140
Show		10294+0615	A 2766		172	1.3	141
Show		10223+0846	KPP1982		285	15.7	145
Show		10415+0758	NSN 605		126	1.3	146
Show		10311+0600	CBL 312		32	28.3	152
Show		10225+0733	LDS2854		348	54.6	154
Show		10218+0805	SLW 465		164	143.1	154
Show		10421+0757	BRT2151		58	3.3	155
Show		10403+1005	GWP1428		135	86.2	155
Show		10326+0556	OCC9045		-1	0.0	155
Show		10225+0726	OCC9060		90	4.1	156
Show		10284+0604	GWP1381		78	19.0	157
Show		10229+0954	SKF1729		298	1.3	159

WDS 10320+0831 : COMPONENTS

	A
B	pa=22.1° sep=0.78"

10320+0831 A

Coord arcsec 2000	103200.66+083038.2		Mag	10.78		Spectral class	K5 (yellow-orange)		PmRA	68.00
PmDE	-196.0

10320+0831 B

Coord arcsec 2000

103200.68+083038.9

Delta magnitude

10.78

Coordinate calculated

yes