16302-1440 WSI 132

16^h 30^m 13.10^s -14° 39' 49.6" P.A. 307.00 sep 0.1 mag 13.60,15.60 dist. 22.43 pc (73.17 l.y.)

Coord 2000	16302-1440	Discov num	WSI 132	Comp		Coord arcsec 2000	16 30 13.10 -14 39 49.6
Date first	2008	Date last	2021	Obs	9
Pa first	218	Pa last	307.4	P.A. Now (θ)	307.4°
Sep first	0.4	Sep last	0.084	Sep. Now (ρ)	0.084"
Mag pri	13.60	Mag sec	15.60	delta mag (ΔM)	2	Spectral class
Pri motion ra	-495	Sec motion ra
Pri motion dec	-205	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus		HIP	80817		GL	GJ 2121		Distance	22.43
Distance ly	73.17

ORBITAL ELEMENTS

Period (P)	17.8y	± 0.3	Periastron (T)	2020.969y	± 0.014	Semi-major axis (a)	0.265a	± 0.002
Eccentricity (e)	0.687	± 0.004	Inclination (i)	138.9°	± 1.4	Longitude of periastron (ω)	372.9°	± 2.4
Node (Ω)	36.9°	± 1.5	Notes			Reference	Tok2021f
Equinox			Last observation	2021		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	173.9	0.262
2001	158.8	0.195
2002	126.4	0.124
2003	45.9	0.085
2004	294.2	0.103
2005	254.5	0.192
2006	239.8	0.270
2007	231.1	0.330
2008	224.9	0.376
2009	219.9	0.408
2010	215.4	0.430
2011	211.4	0.441
2012	207.4	0.442
2013	203.4	0.435
2014	199.1	0.417
2015	194.3	0.391
2016	188.7	0.354
2017	181.6	0.307
2018	171.5	0.249
2019	154.4	0.181
2020	115.1	0.112
2021	23.5	0.081
2022	281.5	0.120
2023	250.7	0.209
2024	237.7	0.283
2025	229.8	0.340
2026	223.8	0.383
2027	218.9	0.413
2028	214.6	0.433
2029	210.6	0.442
2030	206.6	0.442

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

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

WDS 16302-1440 WSI 132 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Tok2021f	orb -	Tokovinin, A.	2021IAUDS.204....1T
Tok2021f		Inf. Circ. 204, 1, 2021

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
16302-1440	WSI 132		2010	1	31	0.4	13.60	15.60			163013.10-143949.6
16302-1440	WSI 132		2015	3	192	0.4	13.60	15.60			163013.10-143949.6
16302-1440	WSI 132		2017	4	178	0.3	13.60	15.60			163013.10-143949.6
16302-1440	WSI 132		2018	5	168	0.2	13.60	15.60			163013.10-143949.6
16302-1440	WSI 132		2019	6	150	0.2	13.60	15.60		O	163013.10-143949.6
16302-1440	WSI 132		2020	7	101	0.1	13.60	15.60		O	163013.10-143949.6
16302-1440	WSI 132		2021	9	307	0.1	13.60	15.60		O	163013.10-143949.6

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

WDS 16302-1440 WSI 132 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16302-1440 WSI 132 : MEASURES

No records found.

WDS 16302-1440 : VIRTUAL EYEPIECE

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

WDS 16302-1440 : ALADIN DSS IMAGE @ 16^h 30^m 13.10^s -14° 39' 49.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16302-1440 WSI 132 : 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		16302-1440	WSI 132		307	0.1	1
Show		16305-1433	STF3104	AB	229	9.5	9
Show		16305-1433	STF3104	AC	82	111.2	9
Show		16306-1432	LDS4673	AB	90	74.9	10
Show		16298-1417	RST3951		270	2.7	25
Show		16303-1352	GWP2639		168	11.0	48
Show		16268-1423	GIC 141		135	7.5	53
Show		16335-1410	HDS2341		224	0.2	57
Show		16343-1420	RST3953		159	1.0	64
Show		16260-1407	RST3942	AB	13	0.6	69
Show		16260-1407	LMP 13	AB,C	261	91.9	69
Show		16268-1351	RST3946		123	0.1	70
Show		16340-1532	HDS2343		93	0.6	76
Show		16272-1338	RST3947		286	0.4	76
Show		16281-1557	UC 3174		221	52.4	83
Show		16296-1609	J 1591		1	8.6	91
Show		16308-1308	STF2050	AB	218	5.7	93
Show		16308-1308	STF2050	AC	295	140.7	93
Show		16308-1308	SIN 126	AD	44	81.3	93
Show		16283-1613	RST3950		37	0.2	98
Show		16243-1338	BUP 169	AB	295	89.8	106
Show		16243-1338	SIN 91	AC	172	6.4	106
Show		16243-1338	SIN 91	AD	14	9.7	106
Show		16315-1254	PRZ 2		237	6.5	107
Show		16368-1343	GWP2648		350	107.5	111
Show		16273-1622	RST3948		203	3.5	111
Show		16364-1334	GWP2646		33	119.5	111
Show		16253-1311	HO 403		172	3.9	115
Show		16361-1324	YMG 82		187	1.2	116
Show		16311-1637	BU 626	AB	37	41.3	118
Show		16311-1637	BU 626	AC	320	119.4	118
Show		16235-1309	HO 402	AB	229	9.0	120
Show		16235-1309	HO 402	AC	154	42.1	120
Show		16303-1240	LAF 56	AB	259	5.2	121
Show		16303-1240	LAF 56	AC	162	6.3	121
Show		16303-1240	LAF 56	AD	232	10.3	121
Show		16303-1240	LAF 56	AE	3	10.5	121
Show		16303-1240	LAF 56	AF	309	11.5	121
Show		16303-1240	LAF 56	AG	229	12.7	121
Show		16303-1240	LAF 56	AH	221	14.4	121
Show		16387-1534	KPP 373		71	4.0	135
Show		16229-1316	GWP2628		354	9.2	136
Show		16324-1227	DAM 89		223	10.8	136
Show		16383-1602	FOX 77		350	2.4	143
Show		16267-1226	HDS2325		359	0.2	144
Show		16209-1345	KPP1925		190	15.1	147
Show		16375-1623	ARA 85		279	11.8	148
Show		16320-1716	GWP2643		270	86.4	159
Show		16406-1540	LDS4685		291	44.1	161
Show		16271-1205	HU 158		173	0.1	161
Show		16250-1215	RAO 602		105	0.3	164

WDS 16302-1440 : COMPONENTS

	A
B	pa=308.3° sep=0.08"

16302-1440 A

Componente originario normalizzato	AB		Coord arcsec 2000	163013.10-143949.6		Mag	13.6		PmRA	-495.00
PmDE	-205.0

16302-1440 B

Componente originario normalizzato	AB		Coord arcsec 2000	163013.10-143949.5		Mag	15.6		Calc delta mag	2
Calc coord	yes