21536+0010 LDS 4920 AB

21^h 53^m 39.94^s +00° 10' 20.7" P.A. 1.00 sep 15.8 mag 14.40,19.90

Coord 2000	21536+0010	Discov num	LDS4920	Comp	AB	Coord arcsec 2000	21 53 39.94 +00 10 20.7
Date first	1960	Date last	2015	Obs	6
Pa first	0	Pa last	1.4	P.A. Now (θ)	1.4°
Sep first	15.0	Sep last	15.807	Sep. Now (ρ)	15.807"
Mag pri	14.40	Mag sec	19.90	delta mag (ΔM)	5.5	Spectral class
Pri motion ra	-060	Sec motion ra	-061
Pri motion dec	-166	Sec motion dec	-158
Notes	V (Proper motion indicates physical)

rPM=0.046 (< 0.3, Physical double)

This double is physical.

21536+0010 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 53 40 +00 10 21	LDS 4920 AB	2015	6	1	15.8	14.40	19.90	5.50		<===
Show			21 53 40 +00 10 21	WIS 356 AC	2014	5	172	983.4	14.07	15.60	1.53

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Gaia DR2

2681017714008928000

WDS 21536+0010 LDS 4920 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................
WIS		WISE (Wide-field Infrared Survey Explorer)	.
WIS2010	Hw -	Wright, E.L., Eisenhardt, P.R.M., Mainzer, A.K., Ressler, M.E., Cutri, R.M.,	2010AJ....140.1868W
WIS2010		Jarrett, T., Kirkpatrick, J.D., Padgett, D., McMillan, R.S., Skrutskie, M.,
WIS2010		Stanford, S. A., Cohen, M., Walker, R.G., et al.
WIS2010		AJ 140, 1868, 2010
WIS2010		(Note: default date of 2010.5 given for all measures)
WIS2012	Hw -	Cutri, R.M., Wright, E.L., Conrow, T., Bauer, J., Benford, D., Brandenburg, H.,	2012yCat.2311....0C
WIS2012		Dailey, J., Eisenhardt, P.R.M., Evans, T., Fajardo-Acosta, S., Fowler, J.,
WIS2012		Gelino, C., et al.
WIS2013	Hw j	Cutri, R.M. et al.	2013yCat.2328....0C
WIS2013		AllWISE Data Release. Vizier On-line Data Catalog: II/328
WIS2014	Hw j	Kirkpatrick, J.D., Schneider, A., Fajardo-Acosta, S., Gelino, C.R., Mace, G.N.,	2014ApJ...783..122K
WIS2014		Wright, E.L., Logsdon, S.E., McLean, I.S., Cushing, M.C., Skrutskie, M.F.,
WIS2014		Eisenhardt, P.R., Stern, D., et al.
WIS2014		ApJ 783, 122, 2014 (AllWISE Motion Survey, part 1)
WIS2016	Hw j	Kirkpatrick, J.D., Kellogg, K., Schneider, A.C., Fajardo-Acosta, S., Cushing, M.,	2016ApJS..224...36K
WIS2016	+E2	Greco, J., Mace, G.N., Gelino, C.R., Wright, E.L., Eisenhardt, P.R.M., Stern, D.,
WIS2016		Faherty, J.K., et al.
WIS2016		ApJS 224, 36, 2016 (AllWISE Motion Survey, part 2)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21536+0010	LDS4920	AB	2000	2	1	16.4	14.40	19.90		V	215339.94+001020.7
21536+0010	LDS4920	AB	2015	3	1	15.8	14.40	19.90		V	215339.94+001020.7

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

WDS 21536+0010 LDS 4920 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21536+0010 LDS 4920 AB : MEASURES

No records found.

WDS 21536+0010 : 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 21536+0010 : ALADIN DSS IMAGE @ 21^h 53^m 39.94^s +00° 10' 20.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21536+0010 LDS 4920 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		21536+0010	LDS4920	AB	1	15.8
Show		21536+0010	WIS 356	AC	172	983.4
Show		21531+0009	SLW1255		61	87.0	10
Show		21553-0046	CBL 536		1	35.4	44
Show		21568+0017	LAW 29	Ba,Bb	149	0.1	48
Show		21568+0017	LAW 29	Aa,Ab	126	0.1	48
Show		21568+0017	LAW 29	AB	249	19.6	48
Show		21498+0023	UC 4576		339	13.2	59
Show		21496-0026	BAL 933		154	9.5	64
Show		21577-0038	A 891		78	0.7	67
Show		21493-0032	SLW1253		314	177.4	70
Show		21486-0008	BAL 932		75	6.9	77
Show		21513-0100	LDS 760		36	24.6	79
Show		21498+0110	GRV1234		176	13.2	84
Show		21541-0117	FAR 50		211	0.9	88
Show		21583+0106	BAL1237		116	10.7	89
Show		21550+0140	GWP3106		107	11.0	92
Show		21483-0058	BAL 626		110	30.6	94
Show		21467+0007	CHE 323		316	28.5	104
Show		21467-0010	BNG 2		251	31.6	105
Show		21591+0116	HJ 3078		181	4.6	106
Show		21529-0135	BU 840		39	3.0	107
Show		21469+0051	STF2825		156	0.4	110
Show		21466+0045	CHE 321		201	21.2	112
Show		21459+0015	CHE 320		274	13.1	116
Show		21467+0110	CHE 322		130	9.7	120
Show		21457+0031	CHE 319		101	29.3	121
Show		21486-0124	GWP3094		84	30.9	122
Show		21453+0007	CHE 318		121	26.3	125
Show		21452-0030	TOK 348		57	146.2	130
Show		21451+0022	SLW1252		143	18.9	130
Show		21447-0003	CHE 317		223	29.2	135
Show		21583-0150	HJ 3074		297	2.2	140
Show		21534+0230	CVR 923		305	13.2	140
Show		21595+0159	BAL1593		173	12.9	140
Show		21444+0008	CHE 316		297	38.4	140
Show		22028-0045	RST5166	AB	12	0.6	142
Show		22028-0045	RST5166	AB,C	61	9.7	142
Show		21519-0209	A 182		245	1.3	142
Show		21565-0208	CVR 925		78	8.1	145
Show		22029-0054	BAL 627		205	8.7	145
Show		21477-0143	BAR 15		152	0.3	145
Show		21466-0127	J 615		349	5.3	146
Show		22020-0104	SKF 929		247	81.7	146
Show		21486+0217	GWP3095		357	13.0	147
Show		22027+0106	J 1040		189	1.7	149
Show		21442+0102	LDS6359		144	7.2	151
Show		21437+0030	CHE 315		334	9.6	152
Show		21496-0208	BAL 266		139	3.4	152
Show		21435+0003	CHE 314		229	37.8	153
Show		21435+0052	WAA9003		9	0.9	159

WDS 21536+0010 : COMPONENTS

	A	B
B	pa=1.4° sep=15.81"
C	pa=172.3° sep=983.35"	pa=172.4° sep=998.97"

21536+0010 A

Coord arcsec 2000

215339.94+001020.7

Mag

14.4

PmRA

-60.00

PmDE

-166.0

21536+0010 B

Coord arcsec 2000	215339.97+001036.5		Mag	19.9		PmRA	-61.00		PmDE	-158.0
Calc delta mag	5.5		Calc coord	yes

21536+0010 C

Coord arcsec 2000	215348.72+000553.8		Mag	15.6		PmRA	-23.00		PmDE	-179.0
Calc delta mag	1.2		Calc coord	yes