14531-4638 I 952 (HD 131078)

14^h 53^m 04.85^s -46° 38' 12.5" P.A. 308.00 sep 0.8 mag 8.51,10.14 Sp G5V+k1V dist. 47.71 pc (155.63 l.y.)

Coord 2000	14531-4638	Discov num	I 952	Comp		Coord arcsec 2000	14 53 04.85 -46 38 12.5
Date first	1910	Date last	2023	Obs	16
Pa first	300	Pa last	308.1	P.A. Now (θ)	313.2°
Sep first	0.7	Sep last	0.779	Sep. Now (ρ)	0.76"
Mag pri	8.51	Mag sec	10.14	delta mag (ΔM)	1.63	Spectral class	G5V+k1V (yellow)
Pri motion ra	-073	Sec motion ra
Pri motion dec	-172	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 131078	Constellation	Lupus	SAO	225267	HIP	72821
Tycho2	8280-02512-1	Gaia DR2	5906094466003931136	HD	131078	GC	20001
CD	CD-46 9649	CP	CP-46 7065	Distance	47.71	Distance ly	155.63

ORBITAL ELEMENTS

Period (P)	99.13y	± 0.82	Periastron (T)	1981.39y	± 0.37	Semi-major axis (a)	0.521a	± 0.014
Eccentricity (e)	0.659	± 0.015	Inclination (i)	156.1°	± 4.5	Longitude of periastron (ω)	268.1°	± 7.3
Node (Ω)	27.1°	± 7.8	Notes			Reference	FMR2020a
Equinox	2000		Last observation	2013		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	340.4	0.576
2001	338.4	0.591
2002	336.6	0.605
2003	334.7	0.619
2004	333.0	0.632
2005	331.4	0.645
2006	329.8	0.656
2007	328.2	0.668
2008	326.7	0.678
2009	325.3	0.688
2010	323.8	0.698
2011	322.5	0.707
2012	321.1	0.715
2013	319.8	0.723
2014	318.5	0.731
2015	317.3	0.738
2016	316.1	0.745
2017	314.8	0.751
2018	313.6	0.756
2019	312.5	0.762
2020	311.3	0.766
2021	310.2	0.771
2022	309.0	0.774
2023	307.9	0.778
2024	306.8	0.781
2025	305.7	0.784
2026	304.6	0.786
2027	303.5	0.787
2028	302.4	0.789
2029	301.3	0.790
2030	300.2	0.790
2031	299.1	0.790
2032	298.0	0.790
2033	297.0	0.789
2034	295.9	0.788
2035	294.8	0.787
2036	293.7	0.785
2037	292.6	0.782
2038	291.5	0.779
2039	290.3	0.776
2040	289.2	0.773
2041	288.1	0.768
2042	286.9	0.764
2043	285.7	0.759
2044	284.6	0.754
2045	283.4	0.748
2046	282.1	0.742
2047	280.9	0.735
2048	279.6	0.728
2049	278.3	0.720
2050	277.0	0.712

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

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

WDS 14531-4638 I 952 (HD 131078) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
FMR2020a	orb u	Rica Romero, F. & Zirm, H.	2020JDSO...16...30R
FMR2020a

DISCOVERER

discov	author
FMR	Rica Romero, F.M.
FMR	Rica, F., Barrena, R., Antonio Henriquez, J., Vazquez, G., Vazquez, C., Hernandez,
FMR	Rica, F.M.
I	MNRAS 57, 533, 1897 (data also in I__1897b,
I	I__1897c)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
14531-4638	I 952		1996	12	170	0.5	8.51	10.14	G5V	-46 9649	D	145304.85-463812.5
14531-4638	I 952		2009	13	145	0.7	8.51	10.14	G5V	-46 9649	D	145304.85-463812.5
14531-4638	I 952		2013	14	320	0.7	8.51	10.14	G5V	-46 9649	OD	145304.85-463812.5
14531-4638	I 952		2018	15	313	0.8	8.51	10.14	G5V	-46 9649	O	145304.85-463812.5
14531-4638	I 952		2023	16	308	0.8	8.51	10.14	G5V+k1V	-46 9649	O	145304.85-463812.5

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

WDS 14531-4638 I 952 (HD 131078) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 14531-4638 I 952 (HD 131078) : MEASURES

No records found.

WDS 14531-4638 (HD 131078) : VIRTUAL EYEPIECE

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

WDS 14531-4638 (HD 131078) : ALADIN DSS IMAGE @ 14^h 53^m 04.85^s -46° 38' 12.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 14531-4638 I 952 (HD 131078) : 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		14531-4638	I 952		308	0.8	0
Show		14535-4637	B 2774		178	12.4	4
Show		14534-4624	DON 693		181	2.4	15
Show		14541-4649	RST 734		298	0.8	16
Show		14550-4652	KPP 981		145	8.0	24
Show		14528-4705	RST 731		64	2.7	27
Show		14517-4608	BRT 832		230	4.6	34
Show		14534-4551	DUN 171	AB	228	17.8	47
Show		14534-4551	DUN 171	AC	333	17.3	47
Show		14527-4727	BRT 833		39	4.6	49
Show		14513-4724	HJ 4706	AB	220	7.0	50
Show		14513-4724	HJ 4706	AC	126	45.6	50
Show		14575-4615	DON 701		317	1.0	52
Show		14519-4731	CPO9184	AB	233	7.1	55
Show		14519-4731	CPO9184	AC	199	11.0	55
Show		14519-4731	CPO9184	AD	283	14.6	55
Show		14476-4617	DAM 81	AB	68	6.2	61
Show		14476-4617	LDS 504	AC	38	11.8	61
Show		14577-4557	CPO 405		172	2.8	63
Show		14473-4701	CPO 401		100	3.6	64
Show		14515-4741	RSS 352		281	19.9	65
Show		14477-4604	GKM9327	Ba,Bb	138	0.2	66
Show		14568-4732	TDS9349		75	0.7	67
Show		14473-4608	DON 679		70	1.1	67
Show		14592-4709	BRT 838		337	3.5	70
Show		14568-4739	RST 736		312	0.9	72
Show		14585-4726	CPO 62	AB	164	24.6	74
Show		14585-4726	ARY 112	AC	65	92.2	74
Show		14580-4540	RST5010		6	4.1	78
Show		15009-4624	DON 706		276	3.2	82
Show		14565-4753	HJ 4715		281	2.1	83
Show		14451-4717	RST 724		18	1.2	91
Show		14442-4627	KPP1095		104	8.7	93
Show		14506-4508	I 1577		287	4.1	94
Show		14575-4515	BRT 836		140	4.3	95
Show		15019-4715	HDS2121		70	16.6	98
Show		14435-4637	I 948		268	1.4	100
Show		14594-4524	BRT 840		210	5.7	100
Show		14591-4757	RSS 358		43	38.8	101
Show		14591-4520	CPO 406		118	7.0	101
Show		14435-4707	RST 721		338	2.4	103
Show		14523-4455	DON 689		12	1.0	104
Show		14544-4455	DON 695		159	1.4	105
Show		15022-4727	CPO 409		113	5.8	105
Show		15031-4618	WIS 280		136	999.9	106
Show		15024-4723	BRT 843		39	4.7	106
Show		14584-4507	I 1579		287	0.5	107
Show		15035-4630	KPP 724		36	6.4	109
Show		14542-4829	BRT 834		296	6.6	111
Show		14513-4447	LDS 509		128	16.6	114
Show		14419-4700	TDS9275		298	3.5	118

WDS 14531-4638 : COMPONENTS

	A
B	pa=308.1° sep=0.78"

14531-4638 A

Name	HD 131078	Coord arcsec 2000	145304.85-463812.5	Mag	8.51	Spectral class	G5V (yellow)
PmRA	-73.00	PmDE	-172.0	SAO	225267	HIP	72821
Tycho2	8280-02512-1	HD	131078	GC	20001	CD	CD-46 9649
CP	CP-46 7065

Tycho2

Tycho2	8280-02512-1	Pflag		RAmdeg	223.26994075	DEmdeg	-46.63722508
PmRA	-76.7	PmDE	-177.1	E RAmdeg	6	E DEmdeg	7
E pmRA	1.1	E pmDE	1.1	EpRAm	1990.87	EpDEm	1990.56
Num	9	Q RAmdeg	2.0	Q DEmdeg	2.0	Q pmRA	1.9
Q pmDE	2.0	BTmag	9.039	E BTmag	0.017	VTmag	8.242
E VTmag	0.012	Prox	999	TYC	T	HIP	72821
CCDM	AB	RAdeg	223.27020083	DEdeg	-46.63681222	EpRA 1990	1.63
EpDE 1990	1.59	E RAdeg	6.3	E DEdeg	6.6	Posflg	P
Corr	0.3

SAO

SAO	225267	DelFlag		RA1950		PmRA1950	-0.0028
DE1950		PmDE1950	-0.205	Vmag	8.3	SpType	G5
Double code		Source	70	CatNum	20001	DM	CD-46 9649
DMcomp		BDsup		HD	131078	M HD	0
GC	20001	RA1950rad	3.8821674	DE1950rad	-0.81037346	PmRA2000	-0.0027
PmDE2000	-0.202

Hipparcos

Catalog	H	HIP	72821	Proxy	H	RAhms	14 53 04.85
DEdms	-46 38 12.5	Vmag	8.15	VarFlag		R Vmag	G
RAdeg	223.27	DEdeg	-46.6368	AstroRef	A	Plx	21.63
CCDM	-61.66 -	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	5	Rho	0.404	HD		BD
CD	CD-46 9649	CP	CP-46 7065	Dm number	-46 9649	VIred	0.76
SpType	G5V	R SpType		Coord arcsec 2000	145304.85-463812.5

Hipparcos 2

HIP	72821	Sn	15	So	3	Nc	2
RArad	3.8968001865	DErad	-0.8139658387	Plx	20.96	PmRA	-62.34
PmDE	-187.37	E RArad	0.73	E DErad	0.74	E Plx	1.06
E pmRA	0.96	E pmDE	1.36	Hpmag		E Hpmag	0.0012
SHp	0.012	VA	0	BV	0.699	E BV	0.003
VI	0.76

CCDM

Ccdm	14531-4638	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.05	DDEs	-14.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.4	Sp	G5	PmNote	*
PmRA	-57	PmDE	-186	Dm number	-46 9649	Cat1	CD
Name2	225267	Cat2	SAO	HD	131078	M HD
ADS BDS		M ADS BDS		N IDS		IDS	14464S4613A
HIC	72821

14531-4638 B

Coord arcsec 2000	145304.79-463812.0		Mag	10.14		Spectral class	k1V		Delta magnitude	1.63
Coordinate calculated	yes

CCDM

Ccdm	14531-4638	RComp		Comp	B	Note1
Note2		Discov num	I 952	DRAs		DDEs
R dRAs		Year	1960	Theta	260	Rho	0.6
Obs	7	Vmag	10.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	14464S4613B
HIC	72821