10522+4423 DUP 2

10^h 52^m 13.50^s +44° 22' 55.9" P.A. 97.00 sep 0.1 mag 14.99,15.50 Sp L6.5+T1.5

Coord 2000	10522+4423	Discov num	DUP 2	Comp		Coord arcsec 2000	10 52 13.50 +44 22 55.9
Date first	2005	Date last	2014	Obs	30
Pa first	81	Pa last	97.2	P.A. Now (θ)	98.9°
Sep first	0.0	Sep last	0.055	Sep. Now (ρ)	0.056"
Mag pri	14.99	Mag sec	15.50	delta mag (ΔM)	0.51	Spectral class	L6.5+T1.5 (very deep red/brown dwarf)
Pri motion ra	+019	Sec motion ra
Pri motion dec	-140	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ursa Major

ORBITAL ELEMENTS

Period (P)	8.603y	± 0.025	Periastron (T)	58980d (2020.358y)	± 14	Semi-major axis (a)	70.61m	± 0.24
Eccentricity (e)	0.141	± 0.0022	Inclination (i)	62.1°	± 0.3	Longitude of periastron (ω)	186.8°	± 1.6
Node (Ω)	126.8°	± 0.3	Notes	n		Reference	Dup2017
Equinox			Last observation	2014		Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	151.3	0.061
2001	197.7	0.035
2002	273.1	0.045
2003	306.0	0.061
2004	338.8	0.045
2005	58.0	0.034
2006	104.6	0.062
2007	123.2	0.080
2008	138.7	0.074
2009	163.7	0.050
2010	232.1	0.033
2011	288.9	0.054
2012	316.7	0.058
2013	3.7	0.035
2014	83.6	0.044
2015	113.1	0.072
2016	129.1	0.080
2017	146.4	0.067
2018	183.2	0.039
2019	261.9	0.040
2020	300.5	0.060
2021	329.9	0.050
2022	39.8	0.032
2023	98.9	0.056
2024	120.0	0.078
2025	135.3	0.077
2026	156.6	0.056
2027	213.7	0.033
2028	281.4	0.050
2029	311.0	0.060
2030	349.3	0.040

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

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

WDS 10522+4423 DUP 2 : NOTES

discov_num	notes	refcode
DUP 2	Dupuy et al. (2015) resolved this L/T pair and determined it to be a
	J-band flux reversal binary. Parallax is 38.4 +/- 0.7 mas (distance
	26.1 +/- 0.5pc); spectral types are L6.5 +/- 1.5 and T1.5 +/- 1.0,
	masses 49 +/- 3 and 39 +/- 3 Mjup.	Dup2015b

REFERENCES

refcode	metd	author	reference
Dup2015b	Ag j	Dupuy, T.J., Liu, M.C., Leggett, S.K. Ireland, M.J., Chiu, K., & Golimowski, D.A.	2015ApJ...805...56D
Dup2015b		ApJ 805, 56, 2015
Dup2017	A j	Dupuy, T.J. & Liu, M.C.	2017ApJS..231...15D
Dup2017	+orb	ApJS 231, 15, 2017

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10522+4423	DUP 2		2014	15	97	0.1	14.99	15.50	L6.5+T1.5	NO	105213.50+442255.9

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WDS 10522+4423 DUP 2 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10522+4423 DUP 2 : MEASURES

No records found.

WDS 10522+4423 : VIRTUAL EYEPIECE

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WDS 10522+4423 : ALADIN DSS IMAGE @ 10^h 52^m 13.50^s +44° 22' 55.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10522+4423 DUP 2 : 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		10522+4423	DUP 2		97	0.1
Show		10514+4420	UC 2012		1	44.4	10
Show		10532+4359	ES 2635	AB	36	9.5	27
Show		10532+4359	ES 2635	AC	234	47.0	27
Show		10498+4438	KPP2471		163	22.0	30
Show		10532+4345	SKF2179		180	25.5	40
Show		10537+4514	CVR1322		18	4.9	54
Show		10546+4335	STF1485		218	18.6	55
Show		10573+4356	UC 2035		104	61.7	62
Show		10465+4406	TOK 541		205	999.9	64
Show		10546+4528	STF1484	AB	4	18.3	70
Show		10546+4528	STF1484	BC	269	11.6	71
Show		10466+4511	ES 604		52	2.6	78
Show		10453+4458	STF1467		288	3.9	83
Show		10468+4525	SLW 524		95	11.6	85
Show		10442+4441	HDS1533		232	0.4	88
Show		10432+4438	STF1465		11	2.2	98
Show		10479+4255	ES 1247		283	2.6	100
Show		10434+4348	KPP3231		290	12.6	102
Show		10557+4246	MTR 1		95	15.6	104
Show		10455+4541	COU2097		339	1.1	108
Show		11027+4446	COU2098		184	1.7	115
Show		10414+4401	COU2095		74	0.6	119
Show		10434+4310	CVR1311		211	3.8	121
Show		11037+4420	HJ 2554		296	37.2	123
Show		10411+4502	KPP3230		92	2.6	125
Show		11003+4255	KUI 53	AB	151	37.2	125
Show		11003+4255	LEP 38	AC	342	968.0	125
Show		11013+4542	A 1995		306	0.7	126
Show		11001+4243	CBL 325		323	12.0	132
Show		10426+4303	ES 1246		55	3.3	132
Show		11007+4244	ES 2637		210	11.6	136
Show		10413+4537	LDS5715		115	255.6	137
Show		10435+4612	MET 7	BE	291	2.7	140
Show		10435+4612	SMA 75	BD	357	259.2	140
Show		10435+4612	MET 7	BF	134	13.9	140
Show		10435+4612	SMA 75	BP	287	80.2	140
Show		11040+4321	FMR 14		124	19.1	141
Show		10435+4612	SMA 75	AB	88	288.0	143
Show		10435+4612	SMA 75	AC	16	152.0	143
Show		10435+4612	SMA 75	AD	45	381.6	143
Show		10388+4421	COU2093		38	1.0	145
Show		10512+4648	LSC 46		78	0.0	146
Show		11022+4604	SLW 555		66	10.5	147
Show		11056+4501	NSN 609		2	2.6	148
Show		10490+4648	SLW 527		278	23.4	149
Show		10572+4158	LDS6236		112	579.6	149
Show		11055+4332	VBS 18	AB	125	32.0	152
Show		11055+4332	CSN 7	AC	168	7.3	152
Show		10379+4407	HJ 2539	CD	68	21.6	153
Show		10392+4529	COU2094		35	0.6	154

WDS 10522+4423 : COMPONENTS

	A
B	pa=100.0° sep=0.04"

10522+4423 A

Componente originario normalizzato	AB		Coord arcsec 2000	105213.50+442255.9		Mag	14.99		Spectral class	L6.5 (very deep red)
PmRA	19.00		PmDE	-140.0

10522+4423 B

Componente originario normalizzato	AB		Coord arcsec 2000	105213.50+442255.9		Mag	15.5		Spectral class	T1.5 (brown dwarf)
Calc delta mag	0.51		Calc coord	yes