22527+4347 COU 2244 (HD 216488)

22^h 52^m 39.94^s +43° 47' 20.5" P.A. 290.00 sep 0.2 mag 8.70,8.70 Sp F0

Coord 2000	22527+4347	Discov num	COU2244	Comp		Coord arcsec 2000	22 52 39.94 +43 47 20.5
Date first	1984	Date last	2014	Obs	18
Pa first	240	Pa last	289.9	P.A. Now (θ)	289.9°
Sep first	0.2	Sep last	0.188	Sep. Now (ρ)	0.188"
Mag pri	8.70	Mag sec	8.70	delta mag (ΔM)	0	Spectral class	F0 (yellow-white)
Pri motion ra	+019	Sec motion ra
Pri motion dec	-002	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 216488		Constellation	Lacerta		SAO	52445		Tycho2	3227-00006-1
Gaia DR2	1934683033689910400		HD	216488

ORBITAL ELEMENTS

Period (P)	192.6y	± 26.8	Periastron (T)	2018.2y	± 2.2	Semi-major axis (a)	0.347a	± 0.03
Eccentricity (e)	0.365	± 0.039	Inclination (i)	72.9°	± 0.4	Longitude of periastron (ω)	214.2°	± 7.8
Node (Ω)	103.9°	± 0.6	Notes			Reference	BAE2021
Equinox			Last observation			Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	272.4	0.223
2001	273.7	0.226
2002	274.8	0.229
2003	276.0	0.232
2004	277.1	0.233
2005	278.3	0.235
2006	279.4	0.235
2007	280.5	0.235
2008	281.6	0.235
2009	282.7	0.233
2010	283.9	0.231
2011	285.0	0.228
2012	286.2	0.225
2013	287.5	0.220
2014	288.8	0.215
2015	290.2	0.209
2016	291.6	0.203
2017	293.2	0.195
2018	294.8	0.188
2019	296.7	0.179
2020	298.7	0.170
2021	301.0	0.160
2022	303.5	0.150
2023	306.4	0.140
2024	309.8	0.130
2025	313.8	0.120
2026	318.5	0.110
2027	324.1	0.100
2028	330.8	0.091
2029	338.9	0.084
2030	348.4	0.078

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

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

WDS 22527+4347 COU 2244 (HD 216488) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
BAE2021	orb j	Baidin, A.E. & Krechet, V.G.	2021AstBu..76...84B
BAE2021		Astrophys. Bull. 76, 84, 2021

DISCOVERER

idgroup	discov	author
1	COU	Couteau, P.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22527+4347	COU2244		1996	14	268	0.2	8.70	8.70	F0	D	225239.94+434720.5
22527+4347	COU2244		2008	15	282	0.2	8.70	8.70	F0	D	225239.94+434720.5
22527+4347	COU2244		2014	18	290	0.2	8.70	8.70	F0	O	225239.94+434720.5

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

WDS 22527+4347 COU 2244 (HD 216488) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 22527+4347 COU 2244 (HD 216488) : MEASURES

No records found.

WDS 22527+4347 (HD 216488) : VIRTUAL EYEPIECE

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

WDS 22527+4347 (HD 216488) : ALADIN DSS IMAGE @ 22^h 52^m 39.94^s +43° 47' 20.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 22527+4347 COU 2244 (HD 216488) : 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		22527+4347	COU2244		290	0.2
Show		22511+4405	A 415		331	4.3	25
Show		22530+4411	ES 1472		34	2.4	25
Show		22520+4319	BU 451	AB	159	23.6	30
Show		22520+4319	BU 451	AC	305	106.4	30
Show		22520+4319	BU 451	AD	230	140.9	30
Show		22520+4319	FOX 270	AE	347	58.7	30
Show		22553+4354	COU2245		33	0.5	30
Show		22558+4334	HDS3262		167	28.8	37
Show		22551+4427	HDS3260		332	0.1	48
Show		22541+4433	HDS3256		295	0.6	48
Show		22504+4436	TDT3741		281	0.5	55
Show		22557+4303	HJ 1831		92	14.5	56
Show		22578+4336	COU2145		237	0.2	57
Show		22537+4445	BU 382	AB	244	0.7	59
Show		22537+4445	HJ 1828	AB,C		29.3	59
Show		22549+4445	TDT3785		69	1.7	63
Show		22469+4354	J 3180		151	6.5	65
Show		22557+4445	DAM 822	BC	102	3.2	67
Show		22557+4445	DAM 822	AB	163	10.9	67
Show		22528+4456	TDS1193		129	1.1	70
Show		22564+4443	COU2144		156	0.9	70
Show		22574+4301	BU 452	AB	256	6.5	70
Show		22574+4301	BU 452	AC	358	8.2	70
Show		22574+4301	BU 452	AD	214	89.1	70
Show		22468+4420	HER 5	BC	254	1.2	71
Show		22468+4420	HER 5	AB	48	37.5	71
Show		22468+4420	HER 5	AC	46	29.7	71
Show		22468+4420	TNN 17	AD	116	5.8	71
Show		22468+4420	TNN 17	AE	176	6.5	71
Show		22563+4247	A 416		335	0.4	73
Show		22595+4355	COU2146	AB	325	3.6	75
Show		22595+4355	COU2146	Aa,Ab	300	0.2	75
Show		22492+4453	TDT3728		1	2.3	76
Show		22575+4243	LDS5029		317	82.5	84
Show		22470+4446	A 189	AB	26	1.0	85
Show		22470+4446	A 189	AC	124	24.6	85
Show		22577+4454	A 191		223	2.9	87
Show		22558+4508	SMA 181		280	9.7	88
Show		22444+4416	TDT3682		2	1.2	94
Show		23013+4412	YSC 166		151	0.2	96
Show		22582+4503	COU2450		334	0.5	97
Show		22438+4403	TDT3677		230	0.5	97
Show		22498+4215	TDT3731		64	2.3	98
Show		22451+4449	HJ 1806		334	7.1	102
Show		23013+4430	COU1991		284	0.5	102
Show		23010+4258	LYS 22		109	15.9	103
Show		23022+4355	TDT3846		28	2.0	104
Show		23010+4257	LYS 23		48	5.7	105
Show		22494+4528	HJ 1815		31	10.1	106
Show		22485+4524	ARN 99		229	37.5	107

WDS 22527+4347 : COMPONENTS

	A
B	pa=296.6° sep=0.14"

22527+4347 A

Componente originario normalizzato	AB	Name	HD 216488	Coord arcsec 2000	225239.94+434720.5	Mag	8.7
Spectral class	F0 (yellow-white)	PmRA	19.00	PmDE	-2.0	SAO	52445
Tycho2	3227-00006-1	HD	216488	DM	BD+43 4326

Tycho2

Tycho2	3227-00006-1	Pflag		RAmdeg	343.16645400	DEmdeg	43.78902995
PmRA	16.9	PmDE	-3.0	E RAmdeg	5	E DEmdeg	5
E pmRA	1.4	E pmDE	1.6	EpRAm	1991.44	EpDEm	1991.55
Num	3	Q RAmdeg	0.6	Q DEmdeg	1.0	Q pmRA	0.6
Q pmDE	0.9	BTmag	8.549	E BTmag	0.016	VTmag	8.199
E VTmag	0.012	Prox	999	TYC	T	HIP
CCDM		RAdeg	343.16639917	DEdeg	43.78903694	EpRA 1990	1.57
EpDE 1990	1.66	E RAdeg	5.2	E DEdeg	5.2	Posflg
Corr	0.1

SAO

SAO	52445	DelFlag		RA1950		PmRA1950	0.0001
DE1950		PmDE1950	0.02	Vmag	8.2	SpType	F0
Double code		Source	4	CatNum	2173	DM	BD+43 4326
DMcomp		BDsup		HD	216488	M HD	0
GC		RA1950rad	5.97955735	DE1950rad	0.75962257	PmRA2000	0.0003
PmDE2000	0.015

22527+4347 B

Componente originario normalizzato

Coord arcsec 2000

225239.93+434720.6

Mag

8.7

Calc coord

yes