19465-2131 BU 467 (HD 186666)

19^h 46^m 30.41^s -21° 31' 22.9" P.A. 137.00 sep 3.7 mag 7.68,9.91 Sp kA8hF1mF3 dist. 96.71 pc (315.47 l.y.)

Coord 2000	19465-2131	Discov num	BU 467	Comp		Coord arcsec 2000	19 46 30.41 -21 31 22.9
Date first	1877	Date last	2016	Obs	23
Pa first	140	Pa last	137.4	P.A. Now (θ)	137.4°
Sep first	1.8	Sep last	3.72	Sep. Now (ρ)	3.72"
Mag pri	7.68	Mag sec	9.91	delta mag (ΔM)	2.23	Spectral class	kA8hF1mF3
Pri motion ra	+042	Sec motion ra	+049
Pri motion dec	-009	Sec motion dec	-016
Notes

rPM=0.192 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 186666	Constellation	Sagittarius	SAO	188551	HIP	97301
Tycho2	6324-01011-1	Gaia DR2	6865066453096640896	HD	186666	ADS	12887
BD	BD-21 5510	Distance	96.71	Distance ly	315.47

WDS 19465-2131 BU 467 (HD 186666) : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	BU	Burnham, S.W. (BU 1 - 81)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19465-2131	BU 467		1992	18	132	3.3	7.68	9.91		D	194630.41-213122.9
19465-2131	BU 467		2016	21	137	3.7	7.68	9.91	kA8hF1mF3		194630.41-213122.9

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

WDS 19465-2131 BU 467 (HD 186666) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19465-2131 BU 467 (HD 186666) : MEASURES

No records found.

WDS 19465-2131 (HD 186666) : VIRTUAL EYEPIECE

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WDS 19465-2131 (HD 186666) : ALADIN DSS IMAGE @ 19^h 46^m 30.41^s -21° 31' 22.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19465-2131 BU 467 (HD 186666) : 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		19465-2131	BU 467		137	3.7	0
Show		19460-2142	LDS4817		106	127.9	14
Show		19459-2113	ARA1571		332	15.4	20
Show		19475-2150	STN 49		336	1.4	24
Show		19488-2129	TDS1016		270	0.8	32
Show		19454-2201	DON 966		288	3.2	33
Show		19480-2057	HDS2815		19	0.2	40
Show		19480-2211	DON 968		232	1.8	45
Show		19440-2058	ARA1570		64	9.8	49
Show		19446-2039	ARA1198		72	14.7	60
Show		19448-2029	DON 965	AB	241	2.8	70
Show		19448-2029	DON 965	AC	208	4.8	70
Show		19448-2029	HJ 2890	AD	280	30.7	70
Show		19448-2029	HJ 2890	AE	348	30.0	70
Show		19441-2027	BHA 34		108	6.5	73
Show		19438-2028	UC 4014		52	45.0	74
Show		19490-2236	DON 969		12	1.9	74
Show		19422-2046	CVN 65		27	5.9	76
Show		19453-2245	B 2879		150	13.0	76
Show		19501-2034	TDT1788		228	0.6	77
Show		19428-2034	ARA1195		186	12.5	78
Show		19420-2223	HDS2793		181	0.1	81
Show		19408-2115	UC 4005		234	11.8	82
Show		19431-2023	RST3234		158	1.2	85
Show		19472-2003	BRT1555		247	3.9	89
Show		19512-2030	TDT1804		242	0.5	90
Show		19531-2126	HJ 2902		31	16.2	93
Show		19462-1959	TDT1723		14	0.6	93
Show		19496-2254	UC 4031		286	25.5	94
Show		19512-2023	SHN 240		-1	0.3	95
Show		19399-2204	I 656		11	0.1	98
Show		19399-2100	SEE 390		75	15.8	98
Show		19491-2000	RST5144		124	2.9	99
Show		19471-1953	BU 146		78	0.5	99
Show		19535-2054	ARA1572		255	9.0	106
Show		19430-1957	WSP 67	AB	54	4.5	107
Show		19430-1957	WSP 67	AC	69	6.0	107
Show		19430-1957	WSP 67	AD	153	18.4	107
Show		19430-1957	WSP 67	AE	330	14.5	107
Show		19430-1957	WSP 67	AF	316	23.5	107
Show		19536-2048	LDS4822		267	45.3	108
Show		19455-2319	B 446	AB	251	3.3	109
Show		19455-2319	B 446	AC	162	29.2	109
Show		19524-2246	OCC 188		-1	0.5	111
Show		19440-1947	BHA 33		187	11.2	111
Show		19404-2244	UC 4002		282	111.9	112
Show		19444-1939	ARA 792		227	8.8	117
Show		19392-2234	UC 3997		255	78.9	120
Show		19380-2147	SPM 37		216	51.7	120
Show		19537-2022	UC 4046		106	64.0	123
Show		19385-2031	ARA1192		271	0.9	127

WDS 19465-2131 : COMPONENTS

	A
B	pa=139.5° sep=3.60"

19465-2131 A

Name	HD 186666	Coord arcsec 2000	194630.41-213122.9	Mag	7.68	Spectral class	kA8hF1mF3
PmRA	42.00	PmDE	-9.0	SAO	188551	HIP	97301
Tycho2	6324-01011-1	HD	186666	ADS	12887	BD	BD-21 5510

Tycho2

Tycho2	6324-01011-1	Pflag		RAmdeg	296.62671404	DEmdeg	-21.52303121
PmRA	42.4	PmDE	-8.7	E RAmdeg	5	E DEmdeg	6
E pmRA	2.5	E pmDE	2.7	EpRAm	1991.75	EpDEm	1991.69
Num	4	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.9
Q pmDE	0.9	BTmag	7.992	E BTmag	0.017	VTmag	7.680
E VTmag	0.012	Prox	33	TYC	T	HIP	97301
CCDM	A	RAdeg	296.62661056	DEdeg	-21.52301139	EpRA 1990	1.81
EpDE 1990	1.76	E RAdeg	4.8	E DEdeg	5.9	Posflg
Corr	-0.3

SAO

SAO	188551	DelFlag		RA1950		PmRA1950	0.0048
DE1950		PmDE1950	-0.013	Vmag	8	SpType	A5
Double code		Source	23	CatNum	8470	DM	BD-21 5510
DMcomp		BDsup		HD	186666	M HD	0
GC		RA1950rad	5.16419601	DE1950rad	-0.37779623	PmRA2000	0.0048
PmDE2000	-0.014

Hipparcos

Catalog	H	HIP	97301	Proxy	H	RAhms	19 46 30.39
DEdms	-21 31 22.8	Vmag	7.55	VarFlag		R Vmag	H
RAdeg	296.627	DEdeg	-21.523	AstroRef	A	Plx	11.63
CCDM	19465-2131	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	133	Rho	3.332	HD	186666	BD	BD-21 5510
CD		CP		Dm number	-21 5510	VIred	-0.08
SpType	Fm	R SpType		Coord arcsec 2000	194630.39-213122.8

Hipparcos 2

HIP	97301	Sn	15	So	3	Nc	2
RArad	5.177110907	DErad	-0.3756473787	Plx	10.34	PmRA	47.14
PmDE	-14.47	E RArad	0.86	E DErad	0.53	E Plx	0.93
E pmRA	1.1	E pmDE	0.71	Hpmag	7.6507	E Hpmag	0.0013
SHp	0.011	VA	0	BV	0.395	E BV	0.035
VI	0.46

CCDM

Ccdm	19465-2131	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.51	DDEs	-23.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.5	Sp	A5	PmNote	*
PmRA	67	PmDE	-13	Dm number	-21 5510	Cat1	BD
Name2	188551	Cat2	SAO	HD	186666	M HD
ADS BDS	A12887	M ADS BDS		N IDS		IDS	19406S2146A
HIC	97301

19465-2131 B

Coord arcsec 2000	194630.58-213125.6		Mag	9.91		PmRA	49.00		PmDE	-16.0
Calc delta mag	2.23		Calc coord	yes

CCDM

Ccdm	19465-2131	RComp		Comp	B	Note1
Note2		Discov num	BU 467	DRAs		DDEs
R dRAs		Year	1879	Theta	134	Rho	3.1
Obs	11	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A12887	M ADS BDS		N IDS		IDS	19406S2146B
HIC	97301