21285-1751 LDS 744

21^h 28^m 33.40^s -17° 51' 45.6" P.A. 146.00 sep 19.4 mag 13.06,13.40

Coord 2000	21285-1751	Discov num	LDS 744	Comp		Coord arcsec 2000	21 28 33.40 -17 51 45.6
Date first	1920	Date last	2016	Obs	9
Pa first	135	Pa last	145.7	P.A. Now (θ)	145.7°
Sep first	20.0	Sep last	19.382	Sep. Now (ρ)	19.382"
Mag pri	13.06	Mag sec	13.40	delta mag (ΔM)	0.34	Spectral class
Pri motion ra	+096	Sec motion ra	+091
Pri motion dec	-209	Sec motion dec	-200
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.045 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Capricornus

Gaia DR2

6834790365334246912

WDS 21285-1751 LDS 744 : NOTES

discov_num	notes	refcode
LDS 744	NLTT 51319/51320	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
21285-1751	LDS 744		2000	4	146	19.4	13.06	13.40		D	212833.40-175145.6
21285-1751	LDS 744		2010	6	146	19.3	13.06	13.40		N	212833.40-175145.6
21285-1751	LDS 744		2015	7	146	19.4	13.06	13.40		NV	212833.40-175145.6
21285-1751	LDS 744		2016	9	146	19.4	13.06	13.40		NV	212833.40-175145.6

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

WDS 21285-1751 LDS 744 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21285-1751 LDS 744 : MEASURES

No records found.

WDS 21285-1751 : VIRTUAL EYEPIECE

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WDS 21285-1751 : ALADIN DSS IMAGE @ 21^h 28^m 33.40^s -17° 51' 45.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21285-1751 LDS 744 : 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		21285-1751	LDS 744		146	19.4
Show		21278-1731	LDS4887		243	53.5	24
Show		21293-1720	LEO 27	AB		3.4	34
Show		21293-1720	SHT 37	AC	326	35.5	34
Show		21293-1720	SHT 37	AD	330	27.1	34
Show		21284-1715	RST3285		242	2.9	37
Show		21310-1740	HU 1313		224	0.7	38
Show		21270-1824	OCC 747		-1	0.1	39
Show		21285-1836	ARA 810		219	15.9	45
Show		21313-1716	RST3288		121	3.1	53
Show		21247-1737	CVR 899		112	9.0	58
Show		21237-1744	SHN 250		-1	0.0	70
Show		21247-1835	HJ 3024		73	14.5	71
Show		21282-1906	HJ 3029		352	19.0	75
Show		21332-1836	BRT1568		132	5.7	80
Show		21278-1911	OCC 58		-1	0.1	80
Show		21269-1632	KPP1601		143	12.2	83
Show		21341-1716	HJ 3037		354	26.7	88
Show		21314-1914	SEE 449	AB	179	2.2	93
Show		21345-1841	UC 4499	AB	293	18.7	98
Show		21345-1841	JNN 326	Aa,Ab	270	0.3	98
Show		21291-1932	RST3286		3	1.6	101
Show		21216-1825	ARA 502		123	6.8	106
Show		21211-1811	UC 4453	AB	293	18.2	108
Show		21245-1620	SLN 90		8	7.6	109
Show		21251-1612	GWP3059		196	13.6	112
Show		21355-1846	I 380	AB	354	1.2	114
Show		21355-1846	I 380	AC	69	42.5	114
Show		21337-1612	A 2096		15	0.9	124
Show		21357-1639	FAL 72		153	9.4	126
Show		21198-1738	DON1008		176	4.7	127
Show		21353-1915	OCC 70		-1	0.1	127
Show		21242-1948	HU 1312	AB	86	2.6	132
Show		21230-1605	GWP3055		236	74.4	134
Show		21352-1616	OCC 170		-1	0.1	136
Show		21314-1534	RST4088		317	1.3	145
Show		21275-2016	BU 683		194	2.9	146
Show		21226-1957	BHA 45		203	4.3	152
Show		21371-1622	HJ 5282	AB	95	20.5	152
Show		21371-1622	HJ 5282	BC	10	29.7	152
Show		21371-1928	H 6 6	AB	46	65.8	155
Show		21371-1928	BU 9024	AC	164	62.7	155
Show		21264-2025	HLD 166	AB	68	2.8	157
Show		21264-2025	HWE 56	AC	160	5.1	157
Show		21380-1913	LDS 751		355	18.9	158
Show		21375-1618	HJ 5284		268	55.9	159
Show		21174-1746	UC 4430		14	12.3	160
Show		21209-1953	SKF 928		47	14.0	163
Show		21401-1757	LDS6357		44	8.3	166
Show		21402-1826	COO 243		65	5.0	170
Show		21404-1815	DON1014		17	0.1	170

WDS 21285-1751 : COMPONENTS

	A
B	pa=147.0° sep=19.09"

21285-1751 A

Componente originario normalizzato	AB		Coord arcsec 2000	212833.40-175145.6		Mag	13.06		PmRA	96.00
PmDE	-209.0

21285-1751 B

Componente originario normalizzato	AB		Coord arcsec 2000	212834.13-175201.6		Mag	13.4		PmRA	91.00
PmDE	-200.0		Calc delta mag	0.34		Calc coord	yes