18220-2143 ARA 1528 (HD 168706)

18^h 21^m 58.94^s -21° 43' 00.0" P.A. 298.00 sep 16.6 mag 10.27,10.46 Sp G7III/IV

Coord 2000	18220-2143	Discov num	ARA1528	Comp		Coord arcsec 2000	18 21 58.94 -21 43 00.0
Date first	1920	Date last	2015	Obs	10
Pa first	309	Pa last	298.3	P.A. Now (θ)	298.3°
Sep first	9.8	Sep last	16.625	Sep. Now (ρ)	16.625"
Mag pri	10.27	Mag sec	10.46	delta mag (ΔM)	0.19	Spectral class	G7III/IV (yellow)
Pri motion ra	+017	Sec motion ra	-055
Pri motion dec	-073	Sec motion dec	-059
Notes	U (Proper motion indicates non-physical)

rPM=0.909

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 168706		Constellation	Sagittarius		Tycho2	6277-01062-1		Gaia DR2	4090978309663127936
HD	168706

WDS 18220-2143 ARA 1528 (HD 168706) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ara1961	Pa -	Aravamudan, S.	1961PASP...73..266A
Ara1961		PASP 73, 266, 1961
Ara1963	Pa -	Aravamudan, S.	.
Ara1963		Pub. Nizamiah Obs. 13, Pt.3, 1963

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18220-2143	ARA1528		2006	7	299	16.2	10.27	10.46		LD	182158.94-214300.0
18220-2143	ARA1528		2010	9	298	16.4	10.27	10.46	G7III/IV	L	182158.94-214300.0
18220-2143	ARA1528		2015	10	298	16.6	10.27	10.46	G7III/IV	L	182158.94-214300.0

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WDS 18220-2143 ARA 1528 (HD 168706) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18220-2143 ARA 1528 (HD 168706) : MEASURES

No records found.

WDS 18220-2143 (HD 168706) : VIRTUAL EYEPIECE

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WDS 18220-2143 (HD 168706) : ALADIN DSS IMAGE @ 18^h 21^m 58.94^s -21° 43' 00.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18220-2143 ARA 1528 (HD 168706) : 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		18220-2143	ARA1528		298	16.6	1
Show		18224-2201	ARA1878		264	12.4	20
Show		18224-2202	ARA1877		255	9.0	20
Show		18217-2203	ARA1874		288	9.6	20
Show		18234-2143	ARA1530		101	14.5	21
Show		18236-2133	RST5112		25	0.3	26
Show		18239-2139	BRT1536		71	3.5	27
Show		18239-2129	BRT1535		307	4.5	30
Show		18230-2115	ARA1529		307	11.8	32
Show		18226-2213	BRT1532		245	5.8	32
Show		18237-2209	BRT1534		117	4.7	37
Show		18209-2216	ARA1873		97	14.1	37
Show		18192-2146	ARA1527		191	13.4	40
Show		18254-2146	ARA1533		336	13.3	48
Show		18199-2222	DON 891		78	4.8	49
Show		18190-2118	ARA1526		314	12.7	49
Show		18220-2233	J 2208		170	6.4	51
Show		18216-2052	BRT1530		337	5.5	52
Show		18203-2055	BRT1529		281	4.2	53
Show		18228-2235	ARA1880		244	10.3	54
Show		18174-2148	OCC1077		-1	0.0	64
Show		18233-2245	BRT1533		65	1.9	65
Show		18177-2120	BRT1525		179	4.4	65
Show		18257-2102	HLD 144	CD	159	7.5	65
Show		18258-2220	ARA1887		187	6.0	65
Show		18257-2102	HLD 144	AB	42	2.8	66
Show		18257-2102	HLD 144	AC	281	68.8	66
Show		18223-2248	ARA1876		84	10.8	66
Show		18236-2245	ARA1884		338	13.8	66
Show		18178-2220	ARA1868		112	9.9	69
Show		18197-2244	BRT1528		321	4.2	70
Show		18264-2111	ARA1534		270	13.2	70
Show		18182-2231	ARA1869		160	6.4	70
Show		18231-2252	ARA1881		134	13.3	71
Show		18241-2248	ARA1886	AB	64	15.2	71
Show		18241-2248	ARA1886	AC	152	7.9	71
Show		18196-2247	ARA1870		254	6.5	72
Show		18235-2252	ARA1883		216	6.5	73
Show		18259-2053	BRT1537		284	3.4	73
Show		18273-2154	ARA1535		38	11.4	75
Show		18273-2140	HU 239		185	3.1	75
Show		18208-2257	ARA1872		77	6.9	77
Show		18169-2212	ARA1867		270	16.2	77
Show		18163-2137	BRT1523		175	4.3	80
Show		18164-2215	ARA1865		305	14.2	84
Show		18280-2135	HU 240		35	4.7	85
Show		18223-2018	BHA 27		236	7.0	85
Show		18254-2033	JC 6		280	1.7	85
Show		18218-2309	ARA2228		195	14.0	87
Show		18178-2039	ARA1146		351	11.0	88
Show		18157-2158	ARA1862		289	15.3	89

WDS 18220-2143 : COMPONENTS

	A
B	pa=300.1° sep=15.72"

18220-2143 A

Componente originario normalizzato	AB	Name	HD 168706	Coord arcsec 2000	182158.94-214300.0	Mag	10.27
Spectral class	G7III/IV (yellow)	PmRA	17.00	PmDE	-73.0	Tycho2	6277-01062-1
HD	168706	DM	BD-21 4962

Tycho2

Tycho2	6277-01062-1	Pflag		RAmdeg	275.49556331	DEmdeg	-21.71665924
PmRA	19.4	PmDE	-70.6	E RAmdeg	29	E DEmdeg	37
E pmRA	2.3	E pmDE	2.4	EpRAm	1989.28	EpDEm	1988.13
Num	4	Q RAmdeg	0.7	Q DEmdeg	2.2	Q pmRA	0.7
Q pmDE	2.2	BTmag	11.095	E BTmag	0.059	VTmag	10.269
E VTmag	0.045	Prox	151	TYC	T	HIP
CCDM		RAdeg	275.49551583	DEdeg	-21.71649861	EpRA 1990	1.82
EpDE 1990	1.82	E RAdeg	29.9	E DEdeg	38.3	Posflg
Corr	0.0

18220-2143 B

Componente originario normalizzato	AB		Coord arcsec 2000	182157.96-214252.1		Mag	10.46		PmRA	-55.00
PmDE	-59.0		Tycho2	6277-01372-1		Calc delta mag	0.19		Calc coord	yes

Tycho2

Tycho2	6277-01372-1	Pflag		RAmdeg	275.49148598	DEmdeg	-21.71448458
PmRA	-53.7	PmDE	-57.3	E RAmdeg	36	E DEmdeg	46
E pmRA	2.4	E pmDE	2.5	EpRAm	1988.37	EpDEm	1986.63
Num	4	Q RAmdeg	0.4	Q DEmdeg	0.2	Q pmRA	0.5
Q pmDE	0.2	BTmag	11.449	E BTmag	0.078	VTmag	10.463
E VTmag	0.054	Prox	151	TYC	T	HIP
CCDM		RAdeg	275.49161750	DEdeg	-21.71435417	EpRA 1990	1.81
EpDE 1990	1.81	E RAdeg	37.4	E DEdeg	48.3	Posflg
Corr	0.0