14020-2108 WSI 79 (HD 122391)

14^h 01^m 59.80^s -21° 08' 00.3" P.A. 12.00 sep 0.3 mag 9.30,12.10 Sp K0/1V dist. 50.13 pc (163.52 l.y.)

Coord 2000	14020-2108	Discov num	WSI 79	Comp		Coord arcsec 2000	14 01 59.80 -21 08 00.3
Date first	2001	Date last	2021	Obs	15
Pa first	352	Pa last	11.6	P.A. Now (θ)	11.6°
Sep first	0.3	Sep last	0.259	Sep. Now (ρ)	0.259"
Mag pri	9.30	Mag sec	12.10	delta mag (ΔM)	2.8	Spectral class	K0/1V (yellow-orange)
Pri motion ra	-203	Sec motion ra
Pri motion dec	-143	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 122391	Constellation	Virgo	SAO	182179	HIP	68552
Tycho2	6149-00570-1	Gaia DR2	6289569349715912704	HD	122391	BD	BD-20 3940
Distance	50.13	Distance ly	163.52

ORBITAL ELEMENTS

Period (P)	24.46y	Periastron (T)	2015.22y	Semi-major axis (a)	0.205a
Eccentricity (e)	0.74	Inclination (i)	144.7°	Longitude of periastron (ω)	325.1°
Node (Ω)	137.9°	Notes		Reference	Tok2018b
Equinox	2000	Last observation	2018	Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	357.1	0.312
2001	353.7	0.323
2002	350.6	0.332
2003	347.5	0.337
2004	344.5	0.338
2005	341.6	0.337
2006	338.5	0.331
2007	335.4	0.322
2008	332.0	0.309
2009	328.2	0.292
2010	323.9	0.269
2011	318.7	0.240
2012	311.8	0.204
2013	301.3	0.158
2014	280.3	0.100
2015	199.0	0.048
2016	96.9	0.076
2017	57.6	0.114
2018	38.3	0.153
2019	26.5	0.188
2020	18.3	0.219
2021	12.0	0.246
2022	6.9	0.270
2023	2.6	0.289
2024	358.7	0.306
2025	355.2	0.319
2026	352.0	0.328
2027	348.9	0.335
2028	345.9	0.338
2029	342.9	0.338
2030	339.9	0.334

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

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

WDS 14020-2108 WSI 79 (HD 122391) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Tok2018b	orb j	Tokovinin, A.	2018IAUDS.194....1T
Tok2018b		Inf. Circ. 194, 1, 2018

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
14020-2108	WSI 79		2008	3	150	0.3	9.30	12.10	K0/1V		140159.93-210759.2
14020-2108	WSI 79		2013	4	121	0.2	9.30	12.10	K0/1V		140159.93-210759.2
14020-2108	WSI 79		2014	7	90	0.1	9.30	12.10	K0/1V	O	140159.93-210759.2
14020-2108	WSI 79		2015	8	320	0.0	9.30	12.10	K0/1V	O	140159.93-210759.2
14020-2108	WSI 79		2017	10	48	0.1	9.30	12.10	K0/1V	O	140159.80-210800.3
14020-2108	WSI 79		2018	11	37	0.2	9.30	12.10	K0/1V	O	140159.80-210800.3
14020-2108	WSI 79		2019	12	26	0.2	9.30	12.10	K0/1V	O	140159.80-210800.3
14020-2108	WSI 79		2020	13	19	0.2	9.30	12.10	K0/1V	O	140159.80-210800.3
14020-2108	WSI 79		2021	15	12	0.3	9.30	12.10	K0/1V	O	140159.80-210800.3

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

WDS 14020-2108 WSI 79 (HD 122391) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 14020-2108 WSI 79 (HD 122391) : MEASURES

No records found.

WDS 14020-2108 (HD 122391) : VIRTUAL EYEPIECE

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

WDS 14020-2108 (HD 122391) : ALADIN DSS IMAGE @ 14^h 01^m 59.80^s -21° 08' 00.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 14020-2108 WSI 79 (HD 122391) : 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		14020-2108	WSI 79		12	0.3
Show		14034-2112	DON 639		39	1.2	21
Show		14025-2040	LDS4430		111	9.6	29
Show		14041-2119	HDS1974		162	0.1	32
Show		13599-2118	UC 2653		158	17.0	32
Show		14053-2058	KPP3913		285	2.1	48
Show		14042-2146	B 1748		90	3.5	49
Show		14025-2012	ARA 694		46	9.3	57
Show		14052-2032	B 1750		237	0.3	58
Show		14054-2154	B 2326		2	2.5	67
Show		13590-2003	HJ 2693		272	21.0	78
Show		14076-2105	DON 645		114	2.8	78
Show		14076-2139	TVB 268		283	21.4	85
Show		13554-2112	HTS 7	AB	303	11.5	92
Show		13554-2112	HTS 7	AC	127	16.4	92
Show		13554-2112	HTS 7	AD	190	18.4	92
Show		13554-2112	HTS 7	AE	48	20.1	92
Show		13554-2112	HTS 7	AF	329	24.3	92
Show		13558-2030	ARA1103		49	9.6	96
Show		13554-2134	TDS9032		105	0.4	96
Show		14035-1932	ARA 695		57	7.7	98
Show		14001-2247	UC 2655		187	19.7	103
Show		14055-1930	GWP2213		351	64.7	110
Show		14095-2037	TOK 573		57	999.9	110
Show		14060-2244	DON 641		70	1.7	111
Show		13566-2231	B 1747		175	1.7	113
Show		14007-1915	J 2661		310	5.8	115
Show		13564-1942	GWP2149		348	5.7	116
Show		14077-2237	SPM 28		59	9.4	120
Show		14095-2205	RST2891		141	0.9	120
Show		14071-1933	GWP2225		44	52.7	120
Show		14060-1923	GWP2216		220	76.8	120
Show		13576-1922	UC 2644		336	42.1	123
Show		13545-2215	HU 1262		302	0.8	124
Show		13527-2058	DON1108		300	5.7	131
Show		14054-2310	FAB 11		339	17.3	131
Show		14022-1857	UC 2664		220	9.5	131
Show		14000-1859	GWP2165		131	128.7	133
Show		14002-1855	KPP 301		298	3.8	136
Show		14081-2255	KPP2341		200	20.0	137
Show		14028-1850	YMG 58		166	1.8	139
Show		14117-2154	UC 2700		197	10.4	143
Show		13595-2331	DON 634		2	1.2	148
Show		13574-2321	DON1109		338	3.8	148
Show		13529-1943	GWP2116		148	500.5	154
Show		13575-2328	UC 2643		152	145.8	154
Show		13581-1843	LDS 466		207	14.6	156
Show		14129-2142	DON 653		287	0.5	157
Show		14022-2344	UC 2665		220	13.6	157
Show		13520-1955	HJ 2687		141	16.0	159
Show		14093-1905	KPP2461		188	21.9	161

WDS 14020-2108 : COMPONENTS

	A
B	pa=10.8° sep=0.26"

14020-2108 A

Componente originario normalizzato	AB	Name	HD 122391	Coord arcsec 2000	140159.80-210800.3	Mag	9.3
Spectral class	K0/1V (yellow-orange)	PmRA	-203.00	PmDE	-143.0	SAO	182179
HIP	68552	Tycho2	6149-00570-1	HD	122391	BD	BD-20 3940

Tycho2

Tycho2	6149-00570-1	Pflag		RAmdeg	210.49917693	DEmdeg	-21.13341780
PmRA	-199.2	PmDE	-126.1	E RAmdeg	21	E DEmdeg	28
E pmRA	1.8	E pmDE	1.9	EpRAm	1989.22	EpDEm	1987.44
Num	8	Q RAmdeg	0.7	Q DEmdeg	1.3	Q pmRA	0.7
Q pmDE	1.3	BTmag	10.872	E BTmag	0.065	VTmag	9.595
E VTmag	0.032	Prox	999	TYC	T	HIP	68552
CCDM		RAdeg	210.49966806	DEdeg	-21.13312944	EpRA 1990	1.74
EpDE 1990	1.68	E RAdeg	21.8	E DEdeg	30.3	Posflg
Corr	0.1

SAO

SAO	182179	DelFlag		RA1950		PmRA1950	-0.0145
DE1950		PmDE1950	-0.108	Vmag	9.1	SpType	G5
Double code		Source	23	CatNum	5909	DM	BD-20 3940
DMcomp		BDsup		HD	122391	M HD	0
GC		RA1950rad	3.6618316	DE1950rad	-0.36461577	PmRA2000	-0.0144
PmDE2000	-0.104

Hipparcos

Catalog	H	HIP	68552	Proxy		RAhms	14 01 59.93
DEdms	-21 07 59.2	Vmag	9.51	VarFlag		R Vmag	G
RAdeg	210.5	DEdeg	-21.1331	AstroRef		Plx	20.61
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	122391	BD	BD-20 3940
CD		CP		Dm number	-20 3940	VIred	0.97
SpType	K0/K1V	R SpType		Coord arcsec 2000	140159.93-210759.2

Hipparcos 2

HIP	68552	Sn	5	So	0	Nc	1
RArad	3.6739127783	DErad	-0.3688424635	Plx	19.95	PmRA	-199.78
PmDE	-142.14	E RArad	1.5	E DErad	0.97	E Plx	1.59
E pmRA	1.84	E pmDE	1.46	Hpmag	9.6395	E Hpmag	0.0027
SHp	0.024	VA	0	BV	0.926	E BV	0.002
VI	0.97

14020-2108 B

Componente originario normalizzato	AB		Coord arcsec 2000	140159.80-210800.0		Mag	12.1		Calc delta mag	2.8
Calc coord	yes