23210+1715 WSI 11 (HD 220091)

23^h 20^m 57.57^s +17° 15' 09.3" P.A. 287.00 sep 0.1 mag 6.60,8.90 Sp A9III dist. 75.36 pc (245.82 l.y.)

Coord 2000	23210+1715	Discov num	WSI 11	Comp		Coord arcsec 2000	23 20 57.57 +17 15 09.3
Date first	1999	Date last	2021	Obs	11
Pa first	170	Pa last	287.1	P.A. Now (θ)	334.2°
Sep first	0.1	Sep last	0.066	Sep. Now (ρ)	0.106"
Mag pri	6.60	Mag sec	8.90	delta mag (ΔM)	2.3	Spectral class	A9III (white)
Pri motion ra	+078	Sec motion ra
Pri motion dec	+015	Sec motion dec
Notes	O R (Orbital solution, Red magnitudes)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 220091	Constellation	Pegasus	SAO	108560	HIP	115288
Tycho2	1713-00366-1	Gaia DR2	2818000408811106688	HD	220091	GC	32509
BD	BD+16 4912	Distance	75.36	Distance ly	245.82

ORBITAL ELEMENTS

Period (P)	7.95y	± 0.1	Periastron (T)	2020.44y	± 0.18	Semi-major axis (a)	0.0852a	± 0.0042
Eccentricity (e)	0.372	± 0.043	Inclination (i)	28.7°	± 10.1	Longitude of periastron (ω)	22.9°	± 8.1
Node (Ω)	163.7°	± 16.8	Notes			Reference	Tok2020e
Equinox			Last observation	2019		Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	352.6	0.115
2001	13.1	0.112
2002	37.3	0.097
2003	73.8	0.075
2004	136.6	0.058
2005	230.2	0.052
2006	299.8	0.078
2007	331.8	0.104
2008	353.6	0.115
2009	14.1	0.111
2010	38.7	0.096
2011	76.2	0.074
2012	140.6	0.058
2013	235.0	0.053
2014	301.9	0.080
2015	333.0	0.105
2016	354.7	0.115
2017	15.2	0.111
2018	40.2	0.095
2019	78.7	0.073
2020	144.7	0.057
2021	239.8	0.053
2022	304.0	0.081
2023	334.2	0.106
2024	355.7	0.115
2025	16.3	0.110
2026	41.7	0.094
2027	81.2	0.072
2028	148.8	0.057
2029	244.4	0.054
2030	305.9	0.083

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

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

WDS 23210+1715 WSI 11 (HD 220091) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Tok2020e	St j	Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P.	2020AJ....160....7T
Tok2020e	+orb	AJ 160, 7, 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
23210+1715	WSI 11		1999	1	170	0.1	6.69		A9III		232057.57+171509.3
23210+1715	WSI 11		2008	2	185	0.1	6.69		A9III		232057.57+171509.3
23210+1715	WSI 11		2014	4	151	0.1	6.60	8.90	A9III	R	232057.57+171509.3
23210+1715	WSI 11		2015	5	348	0.1	6.60	8.90	A9III	R	232057.57+171509.3
23210+1715	WSI 11		2017	6	33	0.1	6.60	8.90	A9III	O R	232057.57+171509.3
23210+1715	WSI 11		2018	7	54	0.1	6.60	8.90	A9III	O R	232057.57+171509.3
23210+1715	WSI 11		2019	9	148	0.1	6.60	8.90	A9III	O R	232057.57+171509.3
23210+1715	WSI 11		2020	10	230	0.1	6.60	8.90	A9III	O R	232057.57+171509.3
23210+1715	WSI 11		2021	11	287	0.1	6.60	8.90	A9III	O R	232057.57+171509.3

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

WDS 23210+1715 WSI 11 (HD 220091) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23210+1715 WSI 11 (HD 220091) : MEASURES

No records found.

WDS 23210+1715 (HD 220091) : VIRTUAL EYEPIECE

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

WDS 23210+1715 (HD 220091) : ALADIN DSS IMAGE @ 23^h 20^m 57.57^s +17° 15' 09.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23210+1715 WSI 11 (HD 220091) : 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		23210+1715	WSI 11		287	0.1
Show		23226+1706	BPM2480		346	27.3	25
Show		23198+1741	RBR 54		74	0.5	31
Show		23188+1721	KPP4313		225	3.0	32
Show		23209+1643	HEI 88		211	0.2	33
Show		23231+1758	CVR 988		186	20.5	54
Show		23214+1622	HEI 89		68	1.2	54
Show		23242+1649	UC 4942		88	21.6	54
Show		23175+1652	HLD 171	A,BC	21	2.0	55
Show		23175+1652	HU 497	BC	62	0.2	55
Show		23186+1628	TDT3974		236	0.8	59
Show		23221+1612	UC 4932		147	20.0	66
Show		23245+1807	LDS5084		213	41.3	73
Show		23258+1736	NSN 12		326	6.4	73
Show		23163+1751	UC 285		95	59.5	76
Show		23260+1658	SLW1320		352	12.9	76
Show		23262+1700	JNN 138		296	0.2	77
Show		23176+1818	HU 400		70	0.3	80
Show		23265+1736	LDS5088		251	218.4	83
Show		23253+1620	CVR1717		267	4.1	83
Show		23266+1735	GWP3300		320	111.4	84
Show		23175+1607	SLW1314		66	10.8	85
Show		23168+1615	GWP3266		318	40.9	85
Show		23258+1804	KPP1077		125	8.6	86
Show		23231+1839	TDS1206		106	1.5	90
Show		23256+1614	ZIE 18		44	0.6	91
Show		23228+1843	J 3193		212	7.2	92
Show		23194+1538	CBL 547		82	13.2	100
Show		23276+1638	STF3012	AB	190	2.9	102
Show		23276+1638	STF3012	AC	67	53.4	102
Show		23276+1638	DOB 18	AD	64	49.7	102
Show		23276+1638	STF3013	BC	64	54.1	102
Show		23276+1638	DOB 18	BD	62	51.4	102
Show		23276+1638	STF3013	CD	277	3.2	103
Show		23274+1623	BPMA257		162	292.8	106
Show		23282+1701	J 166		351	4.8	107
Show		23168+1843	KPP1044		107	8.4	107
Show		23160+1552	SMA 184		177	8.1	110
Show		23289+1720	HJ 311	AB	286	26.6	116
Show		23289+1720	HJ 311	AC	230	147.6	116
Show		23289+1741	BPM2484		283	25.7	117
Show		23294+1736	BRT2513		326	4.9	123
Show		23289+1626	BPM2483		113	48.8	125
Show		23296+1738	BRT2514		314	5.3	127
Show		23120+1722	ROE 134		66	4.6	129
Show		23284+1604	EGG 5		176	6.4	129
Show		23223+1502	GWP3286		64	8.4	135
Show		23307+1711	GWP3314		199	13.2	139
Show		23122+1820	GWP3251		155	36.0	141
Show		23158+1514	SMA 183		286	8.3	142
Show		23185+1456	SMA 185		7	9.3	143

WDS 23210+1715 : COMPONENTS

	A
B	pa=287.9° sep=0.06"

23210+1715 A

Componente originario normalizzato	AB	Name	HD 220091	Coord arcsec 2000	232057.57+171509.3	Mag	6.6
Spectral class	A9III (white)	PmRA	78.00	PmDE	15.0	SAO	108560
HIP	115288	Tycho2	1713-00366-1	HD	220091	GC	32509
BD	BD+16 4912

Tycho2

Tycho2	1713-00366-1	Pflag		RAmdeg	350.24008992	DEmdeg	17.25264990
PmRA	82.9	PmDE	28.3	E RAmdeg	4	E DEmdeg	5
E pmRA	1.1	E pmDE	1.0	EpRAm	1991.45	EpDEm	1991.17
Num	15	Q RAmdeg	1.0	Q DEmdeg	1.4	Q pmRA	0.9
Q pmDE	1.4	BTmag	7.037	E BTmag	0.016	VTmag	6.704
E VTmag	0.011	Prox	999	TYC	T	HIP	115288
CCDM		RAdeg	350.23989139	DEdeg	17.25258389	EpRA 1990	1.77
EpDE 1990	1.61	E RAdeg	4.1	E DEdeg	5.1	Posflg
Corr	0.1

SAO

SAO	108560	DelFlag		RA1950		PmRA1950	0.0072
DE1950		PmDE1950	0.028	Vmag	6.5	SpType	F0
Double code		Source	70	CatNum	32509	DM	BD+16 4912
DMcomp		BDsup		HD	220091	M HD	0
GC	32509	RA1950rad	6.10190485	DE1950rad	0.29632255	PmRA2000	0.0072
PmDE2000	0.024

Hipparcos

Catalog	H	HIP	115288	Proxy		RAhms	23 20 57.57
DEdms	+17 15 09.3	Vmag	6.67	VarFlag	1	R Vmag	G
RAdeg	350.24	DEdeg	17.2526	AstroRef		Plx	15.11
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag	G	Source		Qual		M HIP
Theta		Rho		HD	220091	BD	BD+16 4912
CD		CP		Dm number	+16 4912	VIred	0.38
SpType	A9III	R SpType		Coord arcsec 2000	232057.57+171509.3

Hipparcos 2

HIP	115288	Sn	1	So	1	Nc	1
RArad	6.1128390756	DErad	0.3011143238	Plx	13.27	PmRA	79
PmDE	16.69	E RArad	1.15	E DErad	0.84	E Plx	1.32
E pmRA	1.39	E pmDE	1.07	Hpmag	6.744	E Hpmag	0.0021
SHp	0.011	VA	0	BV	0.329	E BV	0.011
VI	0.38

23210+1715 B

Componente originario normalizzato	AB		Coord arcsec 2000	232057.57+171509.3		Mag	8.9		Calc delta mag	2.3
Calc coord	yes