20511-0135 LDS 727

20^h 51^m 03.79^s -01° 33' 55.9" P.A. 348.00 sep 15.7 mag 13.34,13.90

Coord 2000	20511-0135	Discov num	LDS 727	Comp		Coord arcsec 2000	20 51 03.79 -01 33 55.9
Date first	1951	Date last	2016	Obs	14
Pa first	348	Pa last	348.3	P.A. Now (θ)	348.3°
Sep first	15.3	Sep last	15.695	Sep. Now (ρ)	15.695"
Mag pri	13.34	Mag sec	13.90	delta mag (ΔM)	0.56	Spectral class
Pri motion ra	-117	Sec motion ra	-118
Pri motion dec	-197	Sec motion dec	-189
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.035 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Gaia DR2

4226787340172229888

WDS 20511-0135 LDS 727 : NOTES

discov_num	notes	refcode
LDS 727	NLTT 50000/49999	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	LDS	Luyten p.m. catalog (from additional DD list)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20511-0135	LDS 727		2000	4	349	15.7	13.34	13.90		D	205103.79-013355.9
20511-0135	LDS 727		2010	8	348	15.7	13.34	13.90		N	205103.79-013355.9
20511-0135	LDS 727		2015	11	348	15.7	13.34	13.90		NV	205103.79-013355.9
20511-0135	LDS 727		2016	14	348	15.7	13.34	13.90		NV	205103.79-013355.9

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

WDS 20511-0135 LDS 727 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20511-0135 LDS 727 : MEASURES

No records found.

WDS 20511-0135 : VIRTUAL EYEPIECE

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WDS 20511-0135 : ALADIN DSS IMAGE @ 20^h 51^m 03.79^s -01° 33' 55.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20511-0135 LDS 727 : 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		20511-0135	LDS 727		348	15.7
Show		20499-0131	RST4684		3	0.3	19
Show		20498-0146	TDT2566		247	0.8	23
Show		20489-0214	HO 142	AB	8	1.0	52
Show		20489-0214	HO 142	AC	290	21.3	52
Show		20532-0221	JNN 126		327	0.1	58
Show		20534-0227	BRT 509	AB	127	5.0	65
Show		20494-0235	WRH 14		193	2.2	66
Show		20532-0240	BRT 508		208	8.2	74
Show		20565-0134	HJ 927		347	37.7	82
Show		20450-0140	LDS 722		266	25.1	91
Show		20482-0255	TDT2549		181	2.0	93
Show		20492-0302	RST4682		2	0.9	93
Show		20452-0103	LEO 56		278	0.5	94
Show		20506+0001	TDT2572		89	0.5	96
Show		20481-0302	A 174		357	0.6	99
Show		20556-0250	J 1713		327	9.0	101
Show		20495-0006	BAL 925		175	19.7	102
Show		20441-0116	GWP2991		16	13.8	106
Show		20453-0239	BRT 506		277	4.1	108
Show		20582-0119	TDT2665		59	0.5	109
Show		20463-0258	LDS 724		135	74.9	110
Show		20584-0155	TDT2666		62	0.3	113
Show		20523-0324	CVR 876		284	10.8	113
Show		20478+0007	SKF2612		63	1.0	113
Show		20485+0012	UC 4295		196	69.5	113
Show		20576-0231	GWP3021		296	8.9	113
Show		20508-0020	BAL 926		239	2.4	114
Show		20472-0006	BAL 924		128	15.4	115
Show		20587-0117	KPP4218		312	9.2	116
Show		20539-0323	RST4686		104	0.4	118
Show		20523-0030	BAL 927		285	4.5	126
Show		20591-0215	BAL 260		99	9.3	127
Show		20551-0018	UC 4325		271	61.6	128
Show		20472+0021	CBL 529		43	49.8	130
Show		20510-0038	J 1711		222	8.4	131
Show		20562-0014	TDT2643		250	0.5	133
Show		20514-0041	SKF1771		13	1.2	136
Show		20539-0035	J 2328		351	3.2	136
Show		20425-0233	WRH 13		101	1.8	142
Show		20454+0023	A 876		68	0.6	145
Show		20455-0332	AHD 29		137	20.9	145
Show		20546-0042	A 877		9	0.6	146
Show		20512-0401	UC 4308		49	15.9	147
Show		20452-0331	AHD 28		307	37.4	147
Show		20412-0105	STF2706	AB	37	11.1	151
Show		20412-0105	STF2706	AC	318	189.6	151
Show		20411-0201	GWP2983		178	12.8	152
Show		20572+0028	HWE 55	AB	71	26.3	153
Show		20572+0028	BU 1496	AC	111	33.5	153
Show		20486-0055	BAL 616		206	2.4	154

WDS 20511-0135 : COMPONENTS

	A
B	pa=348.3° sep=15.69"

20511-0135 A

Componente originario normalizzato	AB		Coord arcsec 2000	205103.79-013355.9		Mag	13.34		PmRA	-117.00
PmDE	-197.0

20511-0135 B

Componente originario normalizzato	AB		Coord arcsec 2000	205103.58-013340.5		Mag	13.9		PmRA	-118.00
PmDE	-189.0		Calc delta mag	0.56		Calc coord	yes