12335+0901 REU 1

12^h 33^m 17.36^s +09° 01' 15.8" P.A. 290.00 sep 0.4 mag 12.60,12.60 Sp M5.5V

Coord 2000	12335+0901	Discov num	REU 1	Comp		Coord arcsec 2000	12 33 17.36 +09 01 15.8
Date first	1938	Date last	2021	Obs	97
Pa first	322	Pa last	290.4	P.A. Now (θ)	160.6°
Sep first	0.7	Sep last	0.355	Sep. Now (ρ)	0.423"
Mag pri	12.60	Mag sec	12.60	delta mag (ΔM)	0	Spectral class	M5.5V (red)
Pri motion ra	-173	Sec motion ra
Pri motion dec	+022	Sec motion dec
Notes	N O P (See Notes, Orbital solution, 100-year proper motion)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Virgo

ORBITAL ELEMENTS

Period (P)	15.826y	± 0.017	Periastron (T)	60325d (2024.04y)	± 12	Semi-major axis (a)	919.7m	± 1.3
Eccentricity (e)	0.2988	± 0.0012	Inclination (i)	103.09°	± 0.14	Longitude of periastron (ω)	349.76°	± 0.77
Node (Ω)	143.18°	± 0.23	Notes	n		Reference	MnA2019
Equinox			Last observation			Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	326.4	1.159
2001	323.5	1.188
2002	320.4	1.133
2003	316.8	0.993
2004	311.4	0.767
2005	300.0	0.468
2006	247.0	0.188
2007	165.2	0.371
2008	147.8	0.611
2009	137.5	0.618
2010	121.8	0.409
2011	63.7	0.201
2012	356.5	0.382
2013	340.2	0.665
2014	333.4	0.903
2015	329.2	1.075
2016	325.9	1.170
2017	322.9	1.185
2018	319.8	1.115
2019	316.0	0.959
2020	310.1	0.720
2021	296.2	0.411
2022	225.1	0.180
2023	160.6	0.423
2024	145.9	0.632
2025	135.6	0.594
2026	117.0	0.363
2027	45.7	0.204
2028	352.1	0.432
2029	338.7	0.710
2030	332.6	0.938

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

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

WDS 12335+0901 REU 1 : NOTES

discov_num	notes	refcode
REU 1	Wolf 424 aka GJ 473 or LDS1320. One or both components may be a flare
	star.Proper motion -1777, +218.
	Two possible orbit solutions by Schultz et al. (1998).	Scz1998b
	Masses of 0.143 +/- 0.011 and 0.131 +/- 0.10 Msun derived by Torres et	Trr1999
	al. (1999) assuming a trig parallax of 0.233 +/- 0.004 arcsec.
	Heintz (1972) orbit utilizes elongations of blended photographic	Hei1972
	images.
	See Baize & Petit (1989) catalog of doubles with variable component.	Baz1989d
	1990.04: Theta and rho values are averages of observations taken in
	the J, K, and L bands (1250/380, 2200/480, and 3400/700 nm).
	Magnitude difference is that at K band.	Prr1992

REFERENCES

refcode	metd	author	reference
Baz1989d	-	Baize, P. & Petit, M.	1989A&AS...77..497B
Baz1989d		A&AS 77, 497, 1989
Hei1972	Po -	Heintz, W.D.	1972AJ.....77..160H
Hei1972	+orb	AJ 77, 160, 1972
MnA2019	C j	Mann, A.W., Dupuy, T., Kraus, A.L., Gaidos, E., Ansdell, M., Ireland, M., Rizzuto,	2019ApJ...871...63M
MnA2019	+orb	A.C., Hung, C..-L., Dittmann, J., Factor, S., Feiden, G., Martinez, R.A.,
MnA2019		Ruiz-Rodriguez, D. & Chia Thao, P.
MnA2019		ApJ 871, 63, 2019
Prr1992	S u	Perrier, C., Mariotti, J.-M., Bonneau, D., & Duquennoy, A.	.
Prr1992		Proc. ESO Conf., Garching, part 1, 109, 1992 "High-Resolution imaging by
Prr1992		interferometry II", ed. J.M. Beckers & F. Merkle
Scz1998b	Ho u	Schultz, A.B. , Hart, H.M., Herschey, J.L., Hamilton, F.C., Kochte, M.,	1998PASP..110...31S
Scz1998b	+orb	Bruhweiler, F.C., Benedict, G.F., Caldwell, J., et al.
Scz1998b		PASP 110, 31-38, 1998
Trr1999	Hf u	Torres, G., Henry, T.J., Franz, O.G., & Wasserman, L.H.	1999AJ....117..562T
Trr1999	+orb	AJ 117, 562, 1999

DISCOVERER

idgroup	discov	author
1	REU	Reuyl, D.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12335+0901	REU 1		2004	60	309	0.7	12.60	12.60		NODP	123318.43+090113.9
12335+0901	REU 1		2008	56	141	0.6	12.60	12.60		NODP	123318.43+090113.9
12335+0901	REU 1		2010	57	118	0.4	12.60	12.60		NODP	123318.43+090113.9
12335+0901	REU 1		2012	62	169	0.4	12.60	12.60	M5.5V	NO P	123318.43+090113.9
12335+0901	REU 1		2014	81	152	0.9	12.60	12.60	M5.5V	NO P	123317.36+090115.8
12335+0901	REU 1		2019	83	134	0.9	12.60	12.60	M5.5V	NO P	123317.36+090115.8
12335+0901	REU 1		2020	86	129	0.7	12.60	12.60	M5.5V	NO P	123317.36+090115.8
12335+0901	REU 1		2021	96	290	0.4	12.60	12.60	M5.5V	NO P	123317.36+090115.8

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

WDS 12335+0901 REU 1 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12335+0901 REU 1 : MEASURES

No records found.

WDS 12335+0901 : VIRTUAL EYEPIECE

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

WDS 12335+0901 : ALADIN DSS IMAGE @ 12^h 33^m 17.36^s +09° 01' 15.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12335+0901 REU 1 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12335+0901	REU 1		290	0.4
Show		12342+0917	SLW 735		342	113.2	22
Show		12348+0838	SKF1851		32	2.1	33
Show		12332+0824	CLZ 56		147	110.9	38
Show		12312+0831	SLW 731		272	49.2	43
Show		12347+0821	SHN 163		-1	0.5	46
Show		12362+0925	KPP2598		43	23.6	50
Show		12306+0943	STF1647		249	1.3	59
Show		12303+0949	CVR1442		355	4.1	65
Show		12375+0843	FYM 622	BC	6	5.4	65
Show		12375+0843	BRT3218	AB	357	7.7	65
Show		12335+1012	HJ 212		264	21.7	71
Show		12290+0826	WSI 113		16	0.2	74
Show		12370+0952	SLW 745		274	38.9	76
Show		12358+1009	HEI 512		161	0.3	79
Show		12281+0920	A 1090		92	1.9	81
Show		12302+0748	SHN 159		-1	0.7	87
Show		12337+1026	BRT3298		189	9.6	88
Show		12278+0935	CBL 595		303	11.0	89
Show		12357+0731	GWP1833		283	23.0	97
Show		12351+0727	STF1658	AB	20	2.8	99
Show		12351+0727	STF1658	AC	266	129.1	99
Show		12264+0851	CVR1432		140	3.5	103
Show		12336+0717	TOK 149		223	17.1	105
Show		12286+1021	TDS8401		105	0.7	106
Show		12262+0923	GWP1809		260	48.6	108
Show		12409+0850	STF1668	AB	187	1.1	114
Show		12409+0850	STF1668	AC	98	14.8	114
Show		12276+0736	GWP1812		166	14.9	121
Show		12260+0804	MCT 6		109	2.0	123
Show		12394+0734	YSC 213	AB	270	0.0	126
Show		12394+0734	YSC 213	AB,C	238	1.6	126
Show		12274+0723	STF1644		239	19.0	132
Show		12418+0953	HO 54	A,BC	101	112.3	137
Show		12418+0953	HO 54	AE	20	15.0	137
Show		12418+0953	HO 54	BC	141	2.3	138
Show		12418+0953	HO 54	BD	86	22.6	138
Show		12273+0714	FOX 175		320	62.7	139
Show		12236+0912	LDS1304		32	11.7	145
Show		12431+0900	DAM2482		83	1.7	145
Show		12419+1014	VIG 15		58	12.7	147
Show		12405+1044	CVR1460		309	4.5	148
Show		12360+1124	STF1661		253	2.3	149
Show		12416+1026	H 6 81	AB	279	78.1	149
Show		12416+1026	SHY 610	AC	52	999.9	149
Show		12407+0720	AMS 5		1	12.1	150
Show		12241+1004	CVR 653		124	13.7	151
Show		12286+1117	UC 2345			22.0	153
Show		12364+1131	LDS1327		35	8.6	156
Show		12364+0630	SLW 742		191	144.8	158
Show		12419+0726	DAM 806		72	20.0	160

WDS 12335+0901 : COMPONENTS

	A
B	pa=290.6° sep=0.35"

12335+0901 A

Componente originario normalizzato	AB		Coord arcsec 2000	123317.36+090115.8		Mag	12.6		Spectral class	M5.5V (red)
PmRA	-173.00		PmDE	22.0

12335+0901 B

Componente originario normalizzato

Coord arcsec 2000

123317.34+090115.9

Mag

12.6

Calc coord

yes