20532-0221 JNN 126

20^h 53^m 14.66^s -02° 21' 21.9" P.A. 327.00 sep 0.1 mag 13.50,14.90 Sp M3+M4

Coord 2000	20532-0221	Discov num	JNN 126	Comp		Coord arcsec 2000	20 53 14.66 -02 21 21.9
Date first	2008	Date last	2010	Obs	2
Pa first	321	Pa last	327.3	P.A. Now (θ)	327.3°
Sep first	0.1	Sep last	0.138	Sep. Now (ρ)	0.138"
Mag pri	13.50	Mag sec	14.90	delta mag (ΔM)	1.4	Spectral class	M3+M4 (red/red)
Pri motion ra	+187	Sec motion ra
Pri motion dec	+016	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Gaia DR2

6916734905368878080

WDS 20532-0221 JNN 126 : NOTES

discov_num	notes	refcode
JNN 126	LP 636-19.
	The M3.0 equal-flux binary was first resolved by Janson et al. (2012),	Jnn2012
	and has seen significant orbital motion. Its parallactic distance of
	37.9 +/- 5.7 pc (Shkolnik et al. 2012 ApJ 758, 56) implies a physical
	separation of ~3-5 au. The expected orbital period is 10-20y.	Bwl2015

REFERENCES

refcode	metd	author	reference
Bwl2015	Ac j	Bowler, B.P., Liu, M.C., Shkolnik, E.L., & Tamura, M.	2015ApJS..216....7B
Bwl2015		ApJS 216, 7, 2015
Jnn2012	Cl j	Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S.,	2012ApJ...754...44J
Jnn2012	+E2	Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T.
Jnn2012		ApJ 754, 44, 2012 (some recalibrated measures published in Jnn2014b)	2014ApJS..214...17J

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20532-0221	JNN 126		2008	1	321	0.1	13.50	14.90	M3 M4	N	205314.66-022121.9
20532-0221	JNN 126		2010	2	327	0.1	13.50	14.90	M3 M4	N	205314.66-022121.9

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WDS 20532-0221 JNN 126 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20532-0221 JNN 126 : MEASURES

No records found.

WDS 20532-0221 : VIRTUAL EYEPIECE

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WDS 20532-0221 : ALADIN DSS IMAGE @ 20^h 53^m 14.66^s -02° 21' 21.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20532-0221 JNN 126 : 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		20532-0221	JNN 126		327	0.1
Show		20534-0227	BRT 509	AB	127	5.0	7
Show		20532-0240	BRT 508		208	8.2	20
Show		20556-0250	J 1713		327	9.0	44
Show		20511-0135	LDS 727		348	15.7	58
Show		20494-0235	WRH 14		193	2.2	59
Show		20498-0146	TDT2566		247	0.8	63
Show		20539-0323	RST4686		104	0.4	63
Show		20523-0324	CVR 876		284	10.8	65
Show		20576-0231	GWP3021		296	8.9	66
Show		20489-0214	HO 142	AB	8	1.0	66
Show		20489-0214	HO 142	AC	290	21.3	66
Show		20565-0134	HJ 927		347	37.7	68
Show		20499-0131	RST4684		3	0.3	72
Show		20492-0302	RST4682		2	0.9	74
Show		20584-0155	TDT2666		62	0.3	82
Show		20482-0255	TDT2549		181	2.0	84
Show		20481-0302	A 174		357	0.6	88
Show		20591-0215	BAL 260		99	9.3	88
Show		20582-0119	TDT2665		59	0.5	98
Show		20512-0401	UC 4308		49	15.9	104
Show		20587-0117	KPP4218		312	9.2	105
Show		20463-0258	LDS 724		135	74.9	109
Show		20453-0239	BRT 506		277	4.1	121
Show		21009-0316	CVR 235		297	75.5	128
Show		20450-0140	LDS 722		266	25.1	130
Show		20588-0402	RST4687		308	0.8	131
Show		20474-0359	TDT2540		63	0.6	132
Show		20481-0410	J 1710		205	8.5	134
Show		20455-0332	AHD 29		137	20.9	136
Show		20525-0438	TDS1106		252	1.4	138
Show		20473-0408	LDS4858		11	17.3	139
Show		20452-0331	AHD 28		307	37.4	140
Show		21015-0116	CVR 882		202	17.7	141
Show		20452-0103	LEO 56		278	0.5	145
Show		20506+0001	TDT2572		89	0.5	148
Show		20531-0450	GWP3010		318	68.5	149
Show		20469-0417	J 1709		216	8.3	151
Show		20441-0116	GWP2991		16	13.8	152
Show		20586-0434	BRT 511		82	4.0	155
Show		20495-0006	BAL 925		175	19.7	157
Show		20568-0449	LDS6420		309	15.1	159
Show		20425-0233	WRH 13		101	1.8	162
Show		20562-0014	TDT2643		250	0.5	162
Show		20551-0018	UC 4325		271	61.6	162
Show		21037-0258	J 1717		180	3.0	163
Show		20562-0459	BRT 510		314	4.8	164
Show		20508-0020	BAL 926		239	2.4	166
Show		20559-0504	HJ 5514	AB	113	19.5	168
Show		20559-0504	HJ 5514	AC	4	7.6	168
Show		21000-0436	RST4688		112	0.3	168

WDS 20532-0221 : COMPONENTS

	A
B	pa=327.3° sep=0.14"

20532-0221 A

Componente originario normalizzato	AB		Coord arcsec 2000	205314.66-022121.9		Mag	13.5		Spectral class	M3 (red)
PmRA	187.00		PmDE	16.0

20532-0221 B

Componente originario normalizzato	AB		Coord arcsec 2000	205314.66-022121.8		Mag	14.9		Spectral class	M4 (red)
Calc delta mag	1.4		Calc coord	yes