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

10205+0626 STF 1426 AB

10^h 20^m 32.32^s +06° 25' 47.6" P.A. 317.00 sep 0.9 mag 7.99,8.30 Sp F5 dist. 149.7 pc (488.32 l.y.)

Coord 2000	10205+0626	Discov num	STF1426	Comp	AB	Coord arcsec 2000	10 20 32.32 +06 25 47.6
Date first	1833	Date last	2025	Obs	173
Pa first	259	Pa last	316.7	P.A. Now (θ)	316.7°
Sep first	0.7	Sep last	0.88	Sep. Now (ρ)	0.88"
Mag pri	7.99	Mag sec	8.30	delta mag (ΔM)	0.31	Spectral class	F5 (yellow-white)
Pri motion ra	-007	Sec motion ra	-007
Pri motion dec	-044	Sec motion dec	-044
Notes	N O (See Notes, Orbital solution)

This double is physical.

10205+0626 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		118241	10 20 32 +06 25 48	STF 1426 AB	2025	173	317	0.9	7.99	8.30	0.31	Y	<===
Show	HD 89619	118241	10 20 32 +06 25 48	STF 1426 AB,C	2024	114	11	7.7	7.30	9.43	2.13
Show		118241	10 20 32 +06 25 48	STF 1426 AB,D	2015	6	41	39.1	7.30	12.57	5.27

Quadruple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Leo	SAO	118241	HIP	50637	Tycho2	0252-01392-1
Gaia DR2	3861734219734880896	HD	89619	ADS	7730	BD	BD+07 2282
Distance	149.7	Distance ly	488.32

ORBITAL ELEMENTS

Period (P)	1000y	Periastron (T)	2116y	Semi-major axis (a)	1.131a
Eccentricity (e)	0.267	Inclination (i)	59.6°	Longitude of periastron (ω)	235.2°
Node (Ω)	135°	Notes	n	Reference	Tok2024b
Equinox	2000	Last observation	2024	Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	308.5	0.937
2001	308.8	0.937
2002	309.0	0.936
2003	309.3	0.935
2004	309.6	0.935
2005	309.8	0.934
2006	310.1	0.933
2007	310.3	0.933
2008	310.6	0.932
2009	310.9	0.931
2010	311.1	0.930
2011	311.4	0.929
2012	311.6	0.928
2013	311.9	0.927
2014	312.2	0.926
2015	312.4	0.925
2016	312.7	0.924
2017	312.9	0.923
2018	313.2	0.921
2019	313.5	0.920
2020	313.7	0.919
2021	314.0	0.917
2022	314.3	0.916
2023	314.5	0.914
2024	314.8	0.913
2025	315.1	0.911
2026	315.3	0.909
2027	315.6	0.908
2028	315.9	0.906
2029	316.2	0.904
2030	316.4	0.902
2031	316.7	0.900
2032	317.0	0.898
2033	317.3	0.896
2034	317.6	0.894
2035	317.8	0.892
2036	318.1	0.890
2037	318.4	0.888
2038	318.7	0.886
2039	319.0	0.883
2040	319.3	0.881
2041	319.6	0.879
2042	319.8	0.876
2043	320.1	0.874
2044	320.4	0.871
2045	320.7	0.869
2046	321.0	0.866
2047	321.3	0.863
2048	321.6	0.861
2049	321.9	0.858
2050	322.2	0.855

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

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

WDS 10205+0626 STF 1426 AB : NOTES

discov_num	notes	refcode
STF1426	AB,C: H 2 43.	MEv2010
	AB,C: Also known as SCA 185.	Sca2018b

REFERENCES

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Sca2018b	S j	Scardia, M.	2018IAUDS.195....8S
Sca2018b		Inf. Circ. 195, 8, 2018
Tok2024b	orb -	Tokovinin, A.	2024IAUDS.213....1T
Tok2024b		Inf. Circ. 213, 1, 2024

DISCOVERER

discov	author
MEV	MacEvoy, B.
SCA	Scardia, M., Prieur, J.-L., Sala, M., Ghigo, M., Koechlin, L., Aristidi, E.,
SCA	& Mazzoleni, F.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Sala, M., Ghigo, M.,
SCA	Koechlin, L., & Aristidi, E.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Basso, S., Sala, M.,
SCA	Ghigo, M., Koechlin, L., & Aristidi, E.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Sala, M., Basso, S.,
SCA	Ghigo, M., Koechlin, L., & Aristidi, E.
SCA	Scardia, M., Pansecchi, L., Ragazzoni, R., Cecconi, M., Desidera, S.,
SCA	Farinato, J., Fiorenzano, A., & Ghedina, A.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Spano, P., Riva, M.,
SCA	& Landoni, M.
SCA	Scardia, M., Prieur, J.-L., Rivet, Vernet, Pansecchi, L., Argyle, R.W.,
SCA	Aristidi, E., Abe, Bendoya, Combier-Dimur, & Suarez
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Aristidi, E., Abe,
SCA	Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Zanutta, A.,
SCA	Aristidi, E., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Zanutta, A.,
SCA	Aristidi, E., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,
SCA	Zanutta, A.Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E.,
SCA	Inf. Circ. 196, 2, 2018
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Suarez, & Vernet
SCA	Scardia, M., Rivet, J.-P., Prieur, J.L., Pansecchi, L., Argyle, R.W., Ling, J.F.,
SCA	Aristidi, E., Zanutta, A., Vernet, D., Abe, L., Bendjoya, P., Dimur, C. & Suarez, O.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Scardia, M.
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Inf. Circ. 201, 1, 2020
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Inf. Circ. 202, 1, 2020
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini
SCA	Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini
SCA	Scardia, M., Prieur, J.-L., Ling, J.F., Pansecchi, L., Argyle, R.W., Aristidi, E.,
SCA	Zanutta, A., Abe, Bendjoya, Rivet, Vernet, & Maccarini
SCA	Scardia, M., Prieur, J.-L., Ling, J.F., Pansecchi, L., Argyle, R.W., Aristidi, E.,
SCA	Piccotti, Maccarini, Abe, Bendjoya, Rivet, & Vernet
SCA	Scardia, M., Prieur, J.-L., Ling, J.F., Pansecchi, L., Argyle, R.W., Aristidi, E.,
SCA	Piccotti, L., Maccarini, L., Abe, L., Bendjoya, P., Rivet, J.-P. & Vernet, D.
SCA	Scardia, M., Prieur, J.-L., Ling, J.F., Pansecchi, L., Argyle, R.W., Aristidi, E.,
SCA	Piccotti, L., Maccarini, L., Abe, L., Bendjoya, P., Rivet, J.-P. & Vernet, D.
SCA	Scardia, M., Prieur, J.-L., Ling, J.F., Pansecchi, L., Argyle, R.W., Aristidi, E.,
SCA	Piccotti, L., Maccarini, L., Abe, L., Bendjoya, P., Rivet, J.-P. & Vernet, D.
SCA	Scardia, M., Prieur, J.-L., Rivet, J.P., Vernet, D., Aristidi, E., Ling, J.F.,
SCA	Pansecchi, L., Argyle, R.W., Abe, L., Bendjoya, P. & Maccarini, L.
TOK	Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK	Martinez, M., & Mondaca, E.
TOK	Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK	Tokovinin, A. & Briceno, C.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
10205+0626	STF1426	AB	2006	139	308	0.9	7.99	8.30	F5	+07 2282	D	102032.32+062547.6
10205+0626	STF1426	AB	2009	142	311	0.9	7.99	8.30	F5	+07 2282	D	102032.32+062547.6
10205+0626	STF1426	AB	2010	145	311	0.9	7.99	8.30	F5	+07 2282	D	102032.32+062547.6
10205+0626	STF1426	AB	2011	148	311	0.9	7.99	8.30	F5	+07 2282	N D	102032.32+062547.6
10205+0626	STF1426	AB	2013	148	310	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2014	150	312	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2015	152	314	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2017	153	313	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2018	155	313	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2021	157	314	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2022	161	315	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2023	169	315	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6
10205+0626	STF1426	AB	2025	173	317	0.9	7.99	8.30	F5	+07 2282	NO	102032.32+062547.6

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

WDS 10205+0626 STF 1426 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10205+0626 STF 1426 AB : MEASURES

No records found.

WDS 10205+0626 : VIRTUAL EYEPIECE

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

WDS 10205+0626 : ALADIN DSS IMAGE @ 10^h 20^m 32.32^s +06° 25' 47.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10205+0626 STF 1426 AB : 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		10205+0626	STF1426	AB	317	0.9	0
Show		10205+0626	STF1426	AB,C	11	7.7	0
Show		10205+0626	STF1426	AB,D	41	39.1	0
Show		10218+0637	OCC 569		-1	0.0	22
Show		10221+0635	GWP1353		208	46.4	26
Show		10198+0554	OCC 509		-1	0.2	34
Show		10224+0657	LDS2855		18	22.7	42
Show		10218+0705	GRV 817		123	43.7	45
Show		10208+0715	LDS2853	AB	312	24.6	50
Show		10208+0715	LDS2853	AC	355	26.3	50
Show		10192+0711	HJ 2527	AB	251	20.9	50
Show		10192+0711	GMZ 204	AC	345	9.5	50
Show		10191+0714	GMZ 203	AB	219	165.3	53
Show		10191+0714	GMZ 203	AC	276	230.2	53
Show		10240+0608	LDS2857		224	24.2	57
Show		10232+0542	TOK 200	Aa,Ab	336	1.0	60
Show		10232+0542	SHJ 115	AB	13	63.7	60
Show		10215+0525	GWP1351		200	9.7	63
Show		10225+0726	OCC9060		90	4.1	67
Show		10180+0721	SKF 34	AB	110	2.3	68
Show		10180+0721	FAR 11	AC	50	38.1	68
Show		10195+0734	CVR1281		209	3.2	71
Show		10161+0559	HO 45		145	10.0	72
Show		10179+0524	GRV 816		192	63.2	72
Show		10173+0721	DAM2241		55	5.1	73
Show		10225+0733	LDS2854		348	54.6	73
Show		10221+0516	OCC1067		-1	0.0	74
Show		10182+0731	YSC 92		28	0.2	75
Show		10212+0741	CVR1285		59	3.5	76
Show		10157+0656	GWP1329		354	51.6	78
Show		10203+0749	GWP1347		330	71.2	83
Show		10242+0738	CVR 563		146	22.4	91
Show		10145+0607	SKF1633		268	2.2	92
Show		10218+0805	SLW 465		164	143.1	101
Show		10254+0511	OCC9151	AB	-1	0.1	105
Show		10254+0511	OCC9151	AC	-1	0.5	105
Show		10182+0805	A 2765		35	0.4	106
Show		10205+0813	STE 7		124	20.7	107
Show		10142+0534	SLW 449		108	70.3	108
Show		10178+0806	DAM2257		188	6.3	109
Show		10179+0807	DAM2260		102	1.2	109
Show		10132+0653	HEI 757		225	1.3	113
Show		10193+0434	GWP1342		106	89.3	114
Show		10148+0509	HDS1477	AB	144	0.2	116
Show		10216+0430	SLE 492		244	27.5	117
Show		10278+0545	LDS2861		104	153.6	118
Show		10129+0659	DAM2139		351	3.4	119
Show		10284+0604	GWP1381		78	19.0	120
Show		10169+0815	OCC 7		-1	0.1	122
Show		10182+0427	SLW 459		65	54.8	124
Show		10132+0530	A 2764		359	1.4	124

WDS 10205+0626 : COMPONENTS

	A	B	C
B	pa=316.7° sep=0.88"
C	pa=10.5° sep=7.70"	pa=16.1° sep=7.22"
D	pa=40.5° sep=39.08"	pa=41.8° sep=38.99"	pa=47.3° sep=32.63"

10205+0626 A

Coord arcsec 2000	102032.32+062547.6	Mag	7.99	Spectral class	F5 (yellow-white)	PmRA	-7.00
PmDE	-44.0	HIP	50637	Tycho2	0252-01392-1	HD	89619
BD	BD+07 2282

Tycho2

Tycho2	0252-01392-1	Pflag	P	RAmdeg	155.13455464	DEmdeg	6.42983498
PmRA	-7.3	PmDE	-43.7	E RAmdeg	8	E DEmdeg	10
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.46	EpDEm	1991.13
Num	6	Q RAmdeg	0.6	Q DEmdeg	1.2	Q pmRA	0.6
Q pmDE	1.2	BTmag	8.522	E BTmag	0.021	VTmag	7.991
E VTmag	0.016	Prox	9	TYC	T	HIP	50637
CCDM	A	RAdeg	155.13465278	DEdeg	6.42987139	EpRA 1990	1.77
EpDE 1990	1.64	E RAdeg	7.8	E DEdeg	10.3	Posflg	D
Corr	0.1

Hipparcos

Catalog	H	HIP	50637	Proxy	H	RAhms	10 20 32.32
DEdms	+06 25 47.6	Vmag	7.35	VarFlag		R Vmag	G
RAdeg	155.135	DEdeg	6.42988	AstroRef	A	Plx	6.98
CCDM	-7.75	N CCDM	I	Nsys	2	Ncomp	3
MultFlag	C	Source		Qual	A	M HIP
Theta		Rho		HD		BD	BD+07 2282
CD		CP		Dm number	+07 2282	VIred	0.56
SpType	F5...	R SpType		Coord arcsec 2000	102032.32+062547.6

Hipparcos 2

HIP	50637	Sn	15	So	3	Nc	3
RArad	2.7076107291	DErad	0.1122225296	Plx	6.68	PmRA	-3.05
PmDE	-44.47	E RArad	1.88	E DErad	1.68	E Plx	1.99
E pmRA	2.26	E pmDE	1.44	Hpmag		E Hpmag	0.0012
SHp	0.009	VA	0	BV	0.491	E BV	0.006
VI	0.56

CCDM

Ccdm	10205+0626	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.29	DDEs	-13.3
R dRAs	10	Year		Theta		Rho
Obs	4	Vmag	8.4	Sp	F5	PmNote	*
PmRA	-16	PmDE	-35	Dm number	+07 2282	Cat1	BD
Name2	+06 1304	Cat2	AGK2/3	HD	89619	M HD
ADS BDS	A 7730	M ADS BDS		N IDS		IDS	10153N0656A
HIC	50637

10205+0626 B

Coord arcsec 2000	102032.28+062548.2		Mag	8.3		PmRA	-7.00		PmDE	-44.0
Tycho2	0252-01392-2		Delta magnitude	0.31		Coordinate calculated	yes

Tycho2

Tycho2	0252-01392-2	Pflag	P	RAmdeg	155.13455464	DEmdeg	6.42983498
PmRA	-7.3	PmDE	-43.7	E RAmdeg	8	E DEmdeg	10
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.46	EpDEm	1991.13
Num	6	Q RAmdeg	0.6	Q DEmdeg	1.2	Q pmRA	0.6
Q pmDE	1.2	BTmag	8.759	E BTmag	0.024	VTmag	8.300
E VTmag	0.018	Prox	9	TYC	T	HIP	50637
CCDM	B	RAdeg	155.13445028	DEdeg	6.43003361	EpRA 1990	1.76
EpDE 1990	1.62	E RAdeg	9.5	E DEdeg	12.5	Posflg	D
Corr	0.1

CCDM

Ccdm	10205+0626	RComp		Comp	B	Note1
Note2		Discov num	STF1426	DRAs		DDEs
R dRAs		Year	1957	Theta	300	Rho	1.0
Obs	99	Vmag	8.9	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7730	M ADS BDS		N IDS		IDS	10153N0656B
HIC	50637

10205+0626 C

Coord arcsec 2000	102032.41+062555.2		Mag	9.43		PmRA	-8.00		PmDE	-45.0
Delta magnitude	1.44		Coordinate calculated	yes

CCDM

Ccdm	10205+0626	RComp		Comp	C	Note1
Note2		Discov num	STF1426	DRAs	2.41	DDEs	-4.9
R dRAs	10	Year	1832	Theta	009	Rho	7.6
Obs	99	Vmag	9.3	Sp		PmNote	*
PmRA	0	PmDE	-85	Dm number		Cat1
Name2	+06 1305	Cat2	AGK2/3	HD		M HD
ADS BDS	A 7730	M ADS BDS		N IDS		IDS	10153N0656C
HIC	50637

10205+0626 D

Coord arcsec 2000

102034.02+062617.3

Mag

12.57

Delta magnitude

4.58

Coordinate calculated

yes

CCDM

Ccdm	10205+0626	RComp		Comp	D	Note1
Note2		Discov num	STF1426	DRAs	3.99	DDEs	16.4
R dRAs	65	Year	1876	Theta	045	Rho	34.4
Obs	1	Vmag	15.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7730	M ADS BDS		N IDS		IDS	10153N0656D
HIC	50640