02433+1926 BAG 20 (HD 16909)

02^h 43^m 20.92^s +19° 25' 45.2" P.A. 211.00 sep 0.1 mag 8.20,11.30 Sp K3.5Vk dist. 18.88 pc (61.59 l.y.)

Coord 2000	02433+1926	Discov num	BAG 20	Comp		Coord arcsec 2000	02 43 20.92 +19 25 45.2
Date first	2001	Date last	2019	Obs	4
Pa first	20	Pa last	210.9	P.A. Now (θ)	210.9°
Sep first	0.1	Sep last	0.142	Sep. Now (ρ)	0.142"
Mag pri	8.20	Mag sec	11.30	delta mag (ΔM)	3.1	Spectral class	K3.5Vk (yellow-orange)
Pri motion ra	+435	Sec motion ra
Pri motion dec	-016	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 16909	Constellation	Aries	SAO	93072	HIP	12709
Tycho2	1226-00710-1	HD	16909	GC	3272	GL	Gl 106
BD	BD+18 339	Distance	18.88	Distance ly	61.59

ORBITAL ELEMENTS

Period (P)	1214d (3.32y)		Periastron (T)	44185.5d (1979.852y)		Semi-major axis (a)	31.24m	± 6.15
Eccentricity (e)	0.521		Inclination (i)	76.48°	± 6.25	Longitude of periastron (ω)	117°
Node (Ω)	27.39°	± 11.56	Notes	n		Reference	HIP1997d
Equinox			Last observation	1991		Grade	9	(1=Definitive, 9=Indet.)

label	theta	rho
2000-01-01	208.8	0.019
2001-01-01	328.5	0.012
2002-01-01	16.3	0.034
2003-01-01	63.8	0.006
2004-01-01	265.7	0.011
2005-01-01	9.5	0.029
2006-01-01	29.1	0.027
2007-01-01	228.3	0.017
2008-01-01	358.3	0.021
2009-01-01	22.3	0.035
2010-01-01	210.4	0.020
2011-01-01	332.4	0.013
2012-01-01	16.8	0.034
2013-01-01	86.9	0.004
2014-01-01	271.1	0.010
2015-01-01	10.2	0.029
2016-01-01	30.0	0.026
2017-01-01	230.4	0.017
2018-01-01	359.6	0.022
2019-01-01	22.8	0.035
2020-01-01	211.9	0.020
2021-01-01	335.9	0.013
2022-01-01	17.3	0.035
2023-01-01	128.6	0.004
2024-01-01	276.8	0.010
2025-01-01	10.8	0.030
2026-01-01	30.9	0.025
2027-01-01	232.6	0.016
2028-01-01	0.9	0.023
2029-01-01	23.3	0.034
2030-01-01	213.4	0.020

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

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

WDS 02433+1926 BAG 20 (HD 16909) : NOTES

discov_num	notes	refcode
BAG 20	Hipparcos astrometric solution adopted some elements from the orbit of	HIP1997d
	Griffin et al. (1985).	Grf1985b
	Hipparcos identified the pair as a candidate for Hyades membership.	HIP1998
	However, this is a Hyades non-member	Grf1988
		Grf2013c

REFERENCES

refcode	metd	author	reference
Grf1985b	not -	Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A.	1985AJ.....90..609G
Grf1985b		AJ 90, 609, 1985
Grf1988	not -	Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A.	1988AJ.....96..172G
Grf1988		AJ 96, 172, 1988
Grf2013c	not -	Griffin, R.F.	2013Obs...133..144G
Grf2013c		Observatory 133, 144, 2013
HIP1997d	orb -	Hipparcos	1997yCat.1239....0E
HIP1997d		Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d		(DMSA/O Orbital Solutions)
HIP1998	Hh -	Perryman, M.A.C., Brown, A.G.A., Lebreton, Y., Gomez, A., Turon, C., Carel de	1998A&A...331...81P
HIP1998		Strobel, C., Mermilliod, J.C., Robichon, N., Kovalevsky, J. & Crifo, F.
HIP1998		A&A 331, 81, 1998

DISCOVERER

idgroup	discov	author
1	BAG	Balega, Y.Y. & Tikhonov, N.A.
24	BAG	Balega, I.I., Balega, Y.Y., Belkin, I.N., Maximov, A.F., Orlov, V.G., Pluzhnik,
24	BAG	E.A., Shkhagosheva, Z.U., & Vasyuk, V.A.
25	BAG	Balega, I.I., Balega, Yu.Yu., Falcke, H., Osterbart, R., Reinheimer, T., Scholler,
25	BAG	M., & Weigelt, G.
30	BAG	Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Shkhagosheva, Z.U., &
30	BAG	Vasyuk, V.A.
35	BAG	Balega, I.I., Balega, Yu.Yu., Hofmann, K.-H., Maksimov, A.F., Pluzhnik, E.A.,
35	BAG	Schertl, D., Shkhagosheva, Z.U., & Weigelt, G.
38	BAG	Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Schertl, D.,
38	BAG	Shkhagosheva, Z.U., & Weigelt, G.
41	BAG	Balega, I.I., Balega, Y.Y., Hofmann, K.-H., Pluzhnik, E.A., Schertl, D.,
41	BAG	Shkhagosheva, Z.U., & Weigelt, G.
44	BAG	Balega, I.I., Balega, Y.Y., Hoffmann, K.-H., Malogolovets, E., Schertl, D.,
44	BAG	Shkhagosheva, Z.U., & Weigelt, G.
46	BAG	Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Pluzhnik, E.A.,
46	BAG	& Shkhagosheva, Z.
47	BAG	Balega, Y.Y., Beuzit, J.-L., Delfosse, X., Forveille, T., Perrier, C., Mayor, M.,
47	BAG	Segransan, D., Udry, S., et al.
48	BAG	Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Rastegaev, D.A.,
48	BAG	Shkhagosheva, Z.U., & Weigelt, G.
55	BAG	Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
55	BAG	Rastegaev, D.A., & Romanyuk, I.I.
56	BAG	Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
56	BAG	Rastegaev, D.A., & Romanyuk, I.I.
57	BAG	Balega, I.I., Balega, Yu.Yu., Gasanova, L.T., Dyachenko, V.V., Maksimov, A.F.,
57	BAG	Malogolovets, E.V., Rastegaev, D.A., & Shkhagosheva, Z.U.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02433+1926	BAG 20		2001	1	20	0.1	8.23	11.30		D	024320.92+192545.2
02433+1926	BAG 20		2019	4	211	0.1	8.20	11.30	K3.5Vk	NO	024320.92+192545.2

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

WDS 02433+1926 BAG 20 (HD 16909) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02433+1926 BAG 20 (HD 16909) : MEASURES

No records found.

WDS 02433+1926 (HD 16909) : VIRTUAL EYEPIECE

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

WDS 02433+1926 (HD 16909) : ALADIN DSS IMAGE @ 02^h 43^m 20.92^s +19° 25' 45.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02433+1926 BAG 20 (HD 16909) : 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		02433+1926	BAG 20		211	0.1
Show		02449+1935	LEP 8	AB	145	238.9	24
Show		02449+1935	NSN 531	Aa,Ab	270	3.7	24
Show		02424+2001	BLA 1	Aa,Ab	62	0.0	38
Show		02424+2001	BU 522	AB	265	18.6	38
Show		02424+2001	OCC9075	Ba,Bb	-1	0.0	38
Show		02411+1959	OCC 275		-1	0.3	47
Show		02400+1921	DVG 14		27	96.3	48
Show		02430+2014	A 2220		226	1.8	49
Show		02441+2012	LDS3423		275	35.8	49
Show		02411+1848	STF 291	BC	243	66.8	50
Show		02411+1848	STF 291	AB	117	3.4	50
Show		02411+1848	STF 291	AC	242	65.5	50
Show		02467+1939	SLW 130		164	134.5	50
Show		02408+2000	OCC 274		-1	0.1	50
Show		02463+1958	A 2221		46	0.4	53
Show		02463+1850	OCC 873		-1	0.1	56
Show		02475+1922	STF 305	AB	306	3.5	59
Show		02475+1922	STF 305	AC	26	95.1	59
Show		02477+1933	LDS 881		40	55.0	62
Show		02386+1944	OCC 312	Aa,Ab	-1	0.3	70
Show		02386+1944	HJ 2152	AB	58	44.0	70
Show		02379+2003	A 2219		146	0.4	86
Show		02392+1822	COU2679		119	1.4	86
Show		02383+2016	OCC 775		-1	0.1	87
Show		02382+1834	LDS3406		60	257.1	90
Show		02429+1754	COU 23		137	1.1	92
Show		02473+1812	BPM 58		334	33.0	93
Show		02405+1801	COU 462		151	1.5	94
Show		02439+2059	HU 430	AB	192	0.7	94
Show		02386+2035	GRV 137		205	57.2	97
Show		02443+2103	OCC 257		-1	0.7	99
Show		02473+1803	GWP 368		82	22.1	100
Show		02485+1817	OCC 232		-1	0.2	101
Show		02469+1757	CHE 68		148	20.5	102
Show		02489+1822	GRV 147		276	10.0	102
Show		02459+1745	J 1081		23	3.9	104
Show		02368+2013	SLW 123		143	19.7	104
Show		02372+2023	SLW 124		351	34.6	104
Show		02504+1956	SLW 135		326	169.4	105
Show		02373+1826	COU 461		320	2.7	105
Show		02507+1910	TOK 76		15	17.2	106
Show		02507+1910	KPP3158	AC	126	5.3	106
Show		02463+2105	OCC9025		300	0.5	108
Show		02400+2106	TDS2327		336	1.4	112
Show		02495+1805	CHE 71		176	12.2	119
Show		02390+2108	AZC 24		82	21.2	120
Show		02479+1737	A 2223		61	2.0	127
Show		02433+1718	BPM 56		176	71.7	128
Show		02502+1802	COU 676		156	0.9	129
Show		02511+2043	KPP1851		268	14.3	134

WDS 02433+1926 : COMPONENTS

	A
B	pa=209.4° sep=0.14"

02433+1926 A

Componente originario normalizzato	AB	Name	HD 16909	Coord arcsec 2000	024320.92+192545.2	Mag	8.2
Spectral class	K3.5Vk (yellow-orange)	PmRA	435.00	PmDE	-16.0	SAO	93072
HIP	12709	Tycho2	1226-00710-1	HD	16909	GC	3272
BD	BD+18 339

Tycho2

Tycho2	1226-00710-1	Pflag		RAmdeg	40.83715597	DEmdeg	19.42925760
PmRA	429.0	PmDE	-12.1	E RAmdeg	7	E DEmdeg	9
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.41	EpDEm	1990.90
Num	4	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	1.0
Q pmDE	0.8	BTmag	9.642	E BTmag	0.023	VTmag	8.361
E VTmag	0.013	Prox	999	TYC	T	HIP	12709
CCDM		RAdeg	40.83612444	DEdeg	19.42928556	EpRA 1990	1.84
EpDE 1990	1.65	E RAdeg	7.0	E DEdeg	9.3	Posflg
Corr	-0.1

SAO

SAO	93072	DelFlag		RA1950		PmRA1950	0.0299
DE1950		PmDE1950	-0.012	Vmag	8.6	SpType	K5
Double code		Source	70	CatNum	3272	DM	BD+18 339
DMcomp		BDsup		HD	16909	M HD	0
GC	3272	RA1950rad	0.70034376	DE1950rad	0.33541268	PmRA2000	0.0299
PmDE2000	-0.016

Hipparcos

Catalog	H	HIP	12709	Proxy		RAhms	02 43 20.65
DEdms	+19 25 45.4	Vmag	8.23	VarFlag		R Vmag	H
RAdeg	40.836	DEdeg	19.4293	AstroRef	+	Plx	53.89
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag	O	Source		Qual		M HIP
Theta		Rho		HD	16909	BD	BD+18 339
CD		CP		Dm number	+18 339	VIred	1.14
SpType	K5	R SpType		Coord arcsec 2000	024320.65+192545.4

Hipparcos 2

HIP	12709	Sn	75	So	4	Nc	1
RArad	0.7127234712	DErad	0.3391049443	Plx	52.96	PmRA	434.42
PmDE	-16.61	E RArad	0.96	E DErad	0.58	E Plx	1.03
E pmRA	1.34	E pmDE	0.75	Hpmag	8.3643	E Hpmag	0.002
SHp	0.015	VA	0	BV	1.074	E BV	0.001
VI	1.14

CCDM

Ccdm	02433+1926	RComp		Comp	A	Note1
Note2	%	Discov num		DRAs	2.92	DDEs	-14.7
R dRAs	82	Year		Theta		Rho
Obs	1	Vmag	8.2	Sp	K5	PmNote
PmRA	435	PmDE	-16	Dm number	+18 339	Cat1	BD
Name2	+19 201	Cat2	AGK2/3	HD	16909	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	12709

02433+1926 B

Componente originario normalizzato	AB		Coord arcsec 2000	024320.92+192545.1		Mag	11.3		Calc delta mag	3.1
Calc coord	yes