18187-3534 LDS 636 (HD 321660)

18^h 18^m 41.78^s -35° 33' 51.8" P.A. 6.00 sep 20.8 mag 10.17,10.45 Sp K0

Coord 2000	18187-3534	Discov num	LDS 636	Comp		Coord arcsec 2000	18 18 41.78 -35 33 51.8
Date first	1912	Date last	2016	Obs	11
Pa first	7	Pa last	6.1	P.A. Now (θ)	6.1°
Sep first	20.5	Sep last	20.838	Sep. Now (ρ)	20.838"
Mag pri	10.17	Mag sec	10.45	delta mag (ΔM)	0.28	Spectral class	K0 (yellow-orange)
Pri motion ra	-037	Sec motion ra	-037
Pri motion dec	-123	Sec motion dec	-122
Notes	T (Parallax indicates physical)

rPM=0.008 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 321660		Constellation	Sagittarius		Tycho2	7401-00059-1		Gaia DR2	4038279748143294720
HD	321660

WDS 18187-3534 LDS 636 (HD 321660) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
18187-3534	LDS 636		1998	6	6	20.8	10.17	10.45	K0	D	181841.78-353351.8
18187-3534	LDS 636		2010	8	6	20.8	10.17	10.45	K0		181841.78-353351.8
18187-3534	LDS 636		2015	9	6	20.8	10.17	10.45	K0	W	181841.78-353351.8
18187-3534	LDS 636		2016	11	6	20.8	10.17	10.45	K0	T	181841.78-353351.8

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

WDS 18187-3534 LDS 636 (HD 321660) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18187-3534 LDS 636 (HD 321660) : MEASURES

No records found.

WDS 18187-3534 (HD 321660) : VIRTUAL EYEPIECE

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WDS 18187-3534 (HD 321660) : ALADIN DSS IMAGE @ 18^h 18^m 41.78^s -35° 33' 51.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18187-3534 LDS 636 (HD 321660) : 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		18187-3534	LDS 636		6	20.8
Show		18180-3538	B 425	AB	51	2.9	10
Show		18180-3538	B 425	AC	356	7.3	10
Show		18203-3526	TOK 801		7	0.1	21
Show		18202-3517	RST3174		306	1.5	25
Show		18191-3509	OL 18		296	1.1	25
Show		18185-3503	OL 17		252	6.1	31
Show		18202-3601	BRT1769		1	4.1	33
Show		18155-3532	BRT1763		224	3.2	40
Show		18188-3448	RST3171		234	1.1	47
Show		18221-3507	BRT1772		195	2.8	50
Show		18185-3441	TOK 902		29	0.2	53
Show		18167-3447	VVV 53		8	4.5	54
Show		18176-3442	BRT1766		261	2.4	54
Show		18142-3525	B 424	CD	41	2.8	55
Show		18142-3525	B 424	AB	82	1.0	56
Show		18142-3525	B 424	AC	143	42.5	56
Show		18150-3448	BRT1761		145	3.8	65
Show		18153-3623	B 1354	AC	308	16.2	65
Show		18153-3623	B 1354	AB	175	4.8	65
Show		18240-3516	BRT1773		295	3.6	68
Show		18243-3539	BRT1774		55	3.5	70
Show		18156-3633	RST3165		4	0.2	71
Show		18246-3523	JSP 774		72	4.3	73
Show		18206-3424	JSP 773		337	1.0	73
Show		18176-3646	BU 760	AB	110	3.5	73
Show		18176-3646	BU 760	AC	320	28.3	73
Show		18176-3646	BU 760	AD	318	93.8	73
Show		18129-3513	SLR 13		47	2.4	75
Show		18248-3535	BRT3331		192	5.5	75
Show		18207-3647	B 1356		228	2.5	77
Show		18205-3420	JSP 939		27	3.3	78
Show		18179-3654	B 2441		179	2.9	81
Show		18197-3700	RST3172		336	3.9	86
Show		18176-3406	HJ 5036	AB	85	38.7	89
Show		18176-3406	HJ 5036	AC	41	93.8	89
Show		18176-3406	HJ 5036	CD	346	22.4	90
Show		18153-3413	BRT1762		13	4.8	91
Show		18127-3629	B 928		126	3.6	92
Show		18241-3430	TDT 835		76	0.6	93
Show		18146-3654	B 935		189	0.2	94
Show		18160-3703	B 1355		295	0.2	96
Show		18127-3433	RST3162		206	0.3	96
Show		18108-3529	B 1352		224	0.2	97
Show		18190-3357	BRT1768		72	4.3	98
Show		18239-3421	ARY 76		10	18.9	98
Show	Kaus Australis	18242-3423	SEE 351	AB	314	39.9	98
Show	Kaus Australis	18242-3423	GOL 2	AC	142	2.4	98
Show	Kaus Australis	18242-3423	TOK 617	AD	36	862.9	98
Show		18114-3615	RST3160		191	0.3	99
Show		18256-3628	OL 19		261	4.1	99

WDS 18187-3534 : COMPONENTS

	A
B	pa=5.0° sep=20.80"

18187-3534 A

Componente originario normalizzato	AB	Name	HD 321660	Coord arcsec 2000	181841.78-353351.8	Mag	10.17
Spectral class	K0 (yellow-orange)	PmRA	-37.00	PmDE	-123.0	Tycho2	7401-00059-1
HD	321660

Tycho2

Tycho2	7401-00059-1	Pflag		RAmdeg	274.67406555	DEmdeg	-35.56439300
PmRA	-37.0	PmDE	-124.4	E RAmdeg	27	E DEmdeg	38
E pmRA	1.8	E pmDE	2.1	EpRAm	1981.17	EpDEm	1982.63
Num	4	Q RAmdeg	0.8	Q DEmdeg	0.9	Q pmRA	0.8
Q pmDE	0.9	BTmag	11.299	E BTmag	0.083	VTmag	10.173
E VTmag	0.048	Prox	209	TYC	T	HIP
CCDM		RAdeg	274.67417389	DEdeg	-35.56410306	EpRA 1990	1.77
EpDE 1990	1.72	E RAdeg	35.4	E DEdeg	44.6	Posflg
Corr	0.0

18187-3534 B

Componente originario normalizzato	AB		Coord arcsec 2000	181841.93-353331.1		Mag	10.45		PmRA	-37.00
PmDE	-122.0		Tycho2	7401-00053-1		Calc delta mag	0.28		Calc coord	yes

Tycho2

Tycho2	7401-00053-1	Pflag		RAmdeg	274.67480096	DEmdeg	-35.55861084
PmRA	-37.1	PmDE	-119.1	E RAmdeg	33	E DEmdeg	54
E pmRA	2.1	E pmDE	2.5	EpRAm	1977.28	EpDEm	1981.62
Num	4	Q RAmdeg	0.7	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	1.0	BTmag	12.005	E BTmag	0.159	VTmag	10.445
E VTmag	0.061	Prox	209	TYC	T	HIP
CCDM		RAdeg	274.67490056	DEdeg	-35.55833889	EpRA 1990	1.76
EpDE 1990	1.71	E RAdeg	48.6	E DEdeg	61.5	Posflg
Corr	0.0