18003+0422 WSI 65 (66 Oph)

18^h 00^m 15.80^s +04° 22' 07.0" P.A. 216.00 sep 0.1 mag 5.00,6.50 Sp B2Ve dist. 199.6 pc (651.1 l.y.)

Coord 2000	18003+0422	Discov num	WSI 65	Comp		Coord arcsec 2000	18 00 15.80 +04 22 07.0
Date first	2005	Date last	2021	Obs	32
Pa first	154	Pa last	215.5	P.A. Now (θ)	215.5°
Sep first	0.1	Sep last	0.055	Sep. Now (ρ)	0.055"
Mag pri	5.00	Mag sec	6.50	delta mag (ΔM)	1.5	Spectral class	B2Ve (blue-white)
Pri motion ra	+002	Sec motion ra
Pri motion dec	-013	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	66 Oph	Var name	V2048 Oph	Constellation	Ophiuchus	SAO	123005
HIP	88149	Tycho2	0438-02741-1	Gaia DR2	4469791641982392192	HD	164284
HR	6712	GC	24500	BD	BD+04 3570	Flamsteed	66 Ophiuchi
Flamsteed name	66 Oph	Distance	199.6	Distance ly	651.1

ORBITAL ELEMENTS

Period (P)	63.9y	± 5	Periastron (T)	2067y	± 12	Semi-major axis (a)	0.175a	± 0.017
Eccentricity (e)	0.37	± 0.16	Inclination (i)	75°	± 1	Longitude of periastron (ω)	117°	± 51
Node (Ω)	338.9°	± 7.4	Notes			Reference	Hor2020
Equinox	2000		Last observation			Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	29.1	0.039
2001	68.4	0.029
2002	109.7	0.037
2003	130.6	0.054
2004	141.1	0.073
2005	147.3	0.090
2006	151.7	0.105
2007	155.0	0.117
2008	157.8	0.126
2009	160.2	0.132
2010	162.6	0.136
2011	164.8	0.136
2012	167.0	0.135
2013	169.3	0.132
2014	171.8	0.128
2015	174.4	0.122
2016	177.4	0.116
2017	180.7	0.109
2018	184.5	0.101
2019	188.9	0.093
2020	194.1	0.085
2021	200.4	0.077
2022	208.0	0.071
2023	217.1	0.065
2024	227.8	0.061
2025	239.6	0.058
2026	251.8	0.059
2027	263.5	0.061
2028	273.9	0.066
2029	282.7	0.072
2030	290.1	0.079

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 18003+0422 WSI 65 (66 Oph) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hor2020	S+	Horch, E.P., van Belle, G.T., Davidson, J.W., Jr., Willmarth, D., Fekel, F.C.,	2020AJ....159..223H
Hor2020	+orb	Muterspaugh, M., Casetti-Dinescu, D.I., Hahne, F.W., Granucci, N.M., Clark, C.,
Hor2020		Winters, J.G., Rupert, J.D., Weiss, S.A., Colton, N.M., Nusdeo, D.A. & Henry, T.J.
Hor2020		AJ 159, 223, 2020

DISCOVERER

idgroup	discov	author
1	WSI	Douglass, G.G., Hindsley, R.B., & Worley, C.E.
10	WSI	Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
10	WSI	Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
13	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
13	WSI	Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
14	WSI	Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
14	WSI	Hennessy, G.S., Platais, I., et al.
15	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
15	WSI	Hennessy, G.S., Rafferty, T.J., et al.
42	WSI	Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
42	WSI	C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
52	WSI	Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
52	WSI	M., Kilian, C.M. & Warner, R.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18003+0422	WSI 65		2007	1	155	0.1	5.00	6.50	B2Ve		180015.80+042207.0
18003+0422	WSI 65		2009	4	161	0.1	5.00	6.50	B2Ve		180015.80+042207.0
18003+0422	WSI 65		2014	6	176	0.1	5.00	6.50	B2Ve		180015.80+042207.0
18003+0422	WSI 65		2017	12	183	0.1	5.00	6.50	B2Ve		180015.80+042207.0
18003+0422	WSI 65		2018	13	187	0.1	5.00	6.50	B2Ve		180015.80+042207.0
18003+0422	WSI 65		2019	19	198	0.1	5.00	6.50	B2Ve	O	180015.80+042207.0
18003+0422	WSI 65		2021	32	216	0.1	5.00	6.50	B2Ve	O	180015.80+042207.0

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

WDS 18003+0422 WSI 65 (66 Oph) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18003+0422 WSI 65 (66 Oph) : MEASURES

No records found.

WDS 18003+0422 (66 Oph) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 18003+0422 (66 Oph) : ALADIN DSS IMAGE @ 18^h 00^m 15.80^s +04° 22' 07.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18003+0422 WSI 65 (66 Oph) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18003+0422	WSI 65		216	0.1
Show		17599+0435	GRV 972			27.1	15
Show		17595+0436	BAL2909		151	6.0	19
Show		18014+0406	BAL2910		112	4.0	24
Show		17584+0428	KUI 84	AB	346	0.2	29
Show		17584+0428	SKF2215	AC	320	18.0	29
Show		18015+0448	OSO 92	AB	145	18.0	32
Show		18015+0448	OSO 92	AC	318	22.5	32
Show		18026+0429	LDS5859		295	6.1	37
Show		17577+0426	BAR 44		68	145.0	39
Show		18014+0346	BAL2466		261	14.4	40
Show		18026+0400	SLE 83		91	7.2	42
Show		18017+0335	SLE 86		281	7.3	53
Show		18034+0447	A 1165		33	1.2	53
Show		18015+0331	BU 1202	CD	110	2.8	53
Show		18015+0331	BU 1202	CF	163	17.4	53
Show		18015+0331	BU 1202	AB	344	0.7	55
Show		18015+0331	BU 1202	AB,C	28	105.5	55
Show		18015+0331	BU 1202	AB,E	138	90.4	55
Show		18008+0518	TDT 634		252	1.6	57
Show		17567+0447	HEI 255		269	0.4	59
Show		18012+0324	BAL2465		289	19.3	60
Show		18015+0324	BAL2467		95	8.7	61
Show		17591+0323	BAL2463		38	17.1	62
Show		17579+0328	J 1333		352	2.8	64
Show		18026+0325	HDS2539		129	0.3	67
Show		18001+0537	TDT 623	AB	239	0.3	75
Show		18001+0537	SKF1859	AB,C	183	3.8	75
Show		18001+0537	GII 256	Aa,Ab	280	0.1	75
Show		17553+0416	BAL2906		177	14.8	76
Show		18044+0337	A 2257		36	0.2	77
Show		17592+0304	BAL2464		231	3.0	81
Show		18044+0329	STF2266	AB	187	8.7	82
Show		18044+0329	STF2266	AC	202	50.8	82
Show		18056+0439	SKF2127		7	15.1	83
Show		17590+0259	BAL2462		97	5.8	85
Show		18022+0302	A 2190		75	3.6	86
Show		18048+0332	J 460		86	2.3	87
Show		18006+0256	BU 1124	AB	196	6.6	87
Show		18006+0256	H 6 2	AC	143	54.7	87
Show		18006+0256	BU 634	AE	180	45.1	87
Show		18053+0504	BAL3013		77	6.4	87
Show		18060+0434	STTA165	AB	141	66.8	88
Show		18060+0434	GUI 20	AC	245	1.0	88
Show		17575+0306	BAL2461		194	3.8	88
Show		18006+0256	BU 634	CD	120	6.2	88
Show		18006+0256	BU 634	CE	266	33.3	88
Show		18059+0449	BAL2911		255	3.0	89
Show		17560+0320	J 1332		32	2.5	92
Show		18060+0455	BAL2912		187	3.1	93
Show		17578+0253	HDS2532		192	0.2	97

WDS 18003+0422 : COMPONENTS

	A
B	pa=215.4° sep=0.05"

18003+0422 A

Componente originario normalizzato	AB	Name	66 Oph	Coord arcsec 2000	180015.80+042207.0	Mag	5
Spectral class	B2Ve (blue-white)	PmRA	2.00	PmDE	-13.0	SAO	123005
HIP	88149	Tycho2	0438-02741-1	HD	164284	HR	6712
GC	24500	BD	BD+04 3570	Flamsteed	66 Ophiuchi	Flamsteed name	66 Oph

Tycho2

Tycho2	0438-02741-1	Pflag		RAmdeg	270.06582784	DEmdeg	4.36861876
PmRA	2.1	PmDE	-11.9	E RAmdeg	3	E DEmdeg	4
E pmRA	0.8	E pmDE	0.8	EpRAm	1991.57	EpDEm	1991.30
Num	18	Q RAmdeg	0.7	Q DEmdeg	1.0	Q pmRA	0.8
Q pmDE	0.9	BTmag	4.637	E BTmag	0.014	VTmag	4.742
E VTmag	0.009	Prox	999	TYC	T	HIP	88149
CCDM		RAdeg	270.06582306	DEdeg	4.36864611	EpRA 1990	1.78
EpDE 1990	1.67	E RAdeg	3.4	E DEdeg	3.6	Posflg
Corr	-0.1

SAO

SAO	123005	DelFlag		RA1950		PmRA1950	0
DE1950		PmDE1950	-0.013	Vmag	4.8	SpType	B3
Double code		Source	70	CatNum	24500	DM	BD+04 3570
DMcomp		BDsup		HD	164284	M HD	0
GC	24500	RA1950rad	4.70272426	DE1950rad	0.07626902	PmRA2000	0.0002
PmDE2000	-0.013

Hipparcos

Catalog	H	HIP	88149	Proxy		RAhms	18 00 15.80
DEdms	+04 22 07.1	Vmag	4.79	VarFlag	2	R Vmag	T
RAdeg	270.066	DEdeg	4.36865	AstroRef		Plx	4.82
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	164284	BD	BD+04 3570
CD		CP		Dm number	+04 3570	VIred	0.09
SpType	B2Ve	R SpType		Coord arcsec 2000	180015.80+042207.1

Hipparcos 2

HIP	88149	Sn	5	So	0	Nc	1
RArad	4.7135378089	DErad	0.0762472666	Plx	5.01	PmRA	1.23
PmDE	-12.73	E RArad	0.25	E DErad	0.16	E Plx	0.26
E pmRA	0.31	E pmDE	0.18	Hpmag	4.7437	E Hpmag	0.0067
SHp	0.063	VA	2	BV	-0.1	E BV	0.006
VI	-0.08

18003+0422 B

Componente originario normalizzato	AB		Coord arcsec 2000	180015.80+042207.0		Mag	6.5		Calc delta mag	1.5
Calc coord	yes