12104-4352 TOK 897 (HD 105750)

12^h 10^m 22.15^s -43° 52' 15.4" P.A. 357.00 sep 0.1 mag 9.40,10.20 Sp G5V dist. 118.34 pc (386.03 l.y.)

Coord 2000	12104-4352	Discov num	TOK 897	Comp		Coord arcsec 2000	12 10 22.15 -43 52 15.4
Date first	2016	Date last	2023	Obs	14
Pa first	253	Pa last	356.9	P.A. Now (θ)	35.3° (calc)
Sep first	0.1	Sep last	0.065	Sep. Now (ρ)	0.07" (calc)
Mag pri	9.40	Mag sec	10.20	delta mag (ΔM)	0.8	Spectral class	G5V (yellow)
Pri motion ra	-099	Sec motion ra
Pri motion dec	+001	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 105750	Constellation	Centaurus	SAO	223258	HIP	59341
Tycho2	7768-01276-1	HD	105750	GC	16623	CD	CD-43 7516
CP	CP-43 5692	Distance	118.34	Distance ly	386.03

ORBITAL ELEMENTS

Period (P)	12.76y	± 0.69	Periastron (T)	2017.904y	± 0.05	Semi-major axis (a)	0.063a	± 0.0025
Eccentricity (e)	0.5966	± 0.023	Inclination (i)	50.2°	± 2	Longitude of periastron (ω)	101.8°	± 3.4
Node (Ω)	86.1°	± 3.3	Notes			Reference	Tok2024a
Equinox	2000		Last observation	2023		Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	29.6	0.069
2001	41.5	0.070
2002	53.5	0.068
2003	67.0	0.061
2004	86.7	0.046
2005	163.8	0.017
2006	271.4	0.039
2007	299.2	0.051
2008	319.4	0.056
2009	336.9	0.059
2010	352.8	0.062
2011	7.2	0.065
2012	20.3	0.068
2013	32.5	0.070
2014	44.3	0.070
2015	56.5	0.067
2016	70.8	0.059
2017	94.3	0.040
2018	212.3	0.018
2019	279.6	0.043
2020	304.4	0.052
2021	323.8	0.056
2022	340.9	0.060
2023	356.4	0.062
2024	10.4	0.065
2025	23.3	0.068
2026	35.3	0.070
2027	47.1	0.069
2028	59.6	0.066
2029	75.1	0.055
2030	105.0	0.032
2031	242.1	0.025
2032	286.5	0.046
2033	309.4	0.054
2034	328.1	0.057
2035	344.7	0.060
2036	359.9	0.063
2037	13.6	0.066
2038	26.2	0.069
2039	38.2	0.070
2040	50.0	0.069
2041	62.9	0.064
2042	79.9	0.051
2043	122.5	0.024
2044	258.7	0.032
2045	292.7	0.049
2046	314.1	0.055
2047	332.2	0.058
2048	348.5	0.061
2049	3.3	0.064
2050	16.7	0.067

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

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

WDS 12104-4352 TOK 897 (HD 105750) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Tok2024a	orb -	Tokovinin, A.	2024IAUDS.212....1T
Tok2024a		Inf. Circ. 212, 1, 2024

DISCOVERER

discov	author
TOK	Tokovinin, A.A.
TOK	Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK	Martinez, M., & Mondaca, E.
TOK	Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK	Tokovinin, A. & Briceno, C.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
12104-4352	TOK 897		2019	10	124	0.1	9.40	10.20	G5V	-43 7516		121022.15-435215.4
12104-4352	TOK 897		2021	12	333	0.1	9.40	10.20	G5V	-43 7516		121022.15-435215.4
12104-4352	TOK 897		2022	13	345	0.1	9.40	10.20	G5V	-43 7516	O	121022.15-435215.4
12104-4352	TOK 897		2023	14	357	0.1	9.40	10.20	G5V	-43 7516	O	121022.15-435215.4

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

WDS 12104-4352 TOK 897 (HD 105750) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12104-4352 TOK 897 (HD 105750) : MEASURES

No records found.

WDS 12104-4352 (HD 105750) : VIRTUAL EYEPIECE

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

WDS 12104-4352 (HD 105750) : ALADIN DSS IMAGE @ 12^h 10^m 22.15^s -43° 52' 15.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12104-4352 TOK 897 (HD 105750) : 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		12104-4352	TOK 897		357	0.1	0
Show		12101-4334	CPO 56		202	22.8	20
Show		12087-4345	DON 511		193	0.4	20
Show		12078-4409	CPO 342		194	3.4	33
Show		12079-4424	B 1207		245	1.1	42
Show		12070-4414	WIS 196		312	17.4	43
Show		12063-4353	UC 2270		125	13.7	45
Show		12151-4341	TDS8285		239	0.5	53
Show		12055-4344	ENO 3		56	18.5	53
Show		12063-4422	UC 2271		54	38.0	54
Show		12068-4430	B 1206		145	1.7	55
Show		12064-4423	LDS 384		14	106.8	56
Show		12129-4442	HRG 75		180	14.1	58
Show		12127-4257	RST5365		355	0.2	61
Show		12160-4334	DON1097		81	6.5	64
Show		12159-4417	SWR 128		86	21.9	65
Show		12129-4454	HJ 4507		221	14.9	67
Show		12107-4502	SWR 127	AB	239	42.1	70
Show		12107-4502	TDS8255	Ba,Bb	5	0.4	71
Show		12038-4407	HJ 4491		41	23.2	73
Show		12168-4417	TDS8299		331	0.5	74
Show		12118-4504	HU 1493		136	0.9	74
Show		12164-4310	NSN 408		264	4.1	78
Show		12075-4239	TDS8231		228	0.5	80
Show		12029-4404	DON 507		211	2.7	82
Show		12161-4446	UC 2304		341	12.5	83
Show		12144-4241	TDS8280		211	2.3	84
Show		12132-4511	TDS8271		141	2.3	85
Show		12147-4235	KPP1844		259	14.3	91
Show		12110-4525	I 423		166	2.7	94
Show		12041-4458	KPP2194		108	18.1	94
Show		12175-4257	CPO 345		188	11.2	96
Show		12065-4521	UC 2272		108	7.7	98
Show		12186-4442	UC 2313		194	49.3	102
Show		12056-4224	TDS 656		336	1.1	103
Show		12182-4251	DAM1244		179	8.5	106
Show		12169-4512	B 1209		121	2.7	107
Show		12027-4240	UC 2256		341	9.4	111
Show		12184-4245	CPO 346		22	3.8	111
Show		12159-4217	SKF1013		191	34.3	113
Show		12210-4400	KPP1074		83	8.5	115
Show		12208-4327	TDS8343		327	0.8	116
Show		12140-4543	RMK 14		242	2.7	118
Show		12165-4211	BRT 807		195	10.2	122
Show		12174-4529	TDS8303		37	3.6	123
Show		12008-4234	UC 2250		218	22.2	131
Show		12153-4150	KPP 265		58	3.7	134
Show		11598-4244	GKM9278	Aa,Ab	153	0.8	134
Show		12141-4144	RST1656		302	2.0	135
Show		11578-4343	B 1203	AB	1	0.3	136
Show		11578-4343	HJ 4482	AB,C	289	25.3	136

WDS 12104-4352 : COMPONENTS

	A
B	pa=356.9° sep=0.07"

12104-4352 A

Name	HD 105750	Coord arcsec 2000	121022.15-435215.4	Mag	9.4	Spectral class	G5V (yellow)
PmRA	-99.00	PmDE	1.0	SAO	138626	Tycho2	7768-01276-1
GC	16623	DM	BD-01 2628

Tycho2

Tycho2	7768-01276-1	Pflag		RAmdeg	182.59229324	DEmdeg	-43.87092321
PmRA	-101.3	PmDE	-3.1	E RAmdeg	8	E DEmdeg	10
E pmRA	1.0	E pmDE	1.0	EpRAm	1990.28	EpDEm	1989.24
Num	10	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.8
Q pmDE	1.2	BTmag	9.827	E BTmag	0.021	VTmag	9.025
E VTmag	0.014	Prox	999	TYC	T	HIP	59341
CCDM		RAdeg	182.59262167	DEdeg	-43.87091500	EpRA 1990	1.60
EpDE 1990	1.33	E RAdeg	8.3	E DEdeg	9.7	Posflg
Corr	0.0

SAO

SAO	138626	DelFlag		RA1950		PmRA1950	0.0008
DE1950		PmDE1950	-0.044	Vmag	8.5	SpType	F2
Double code		Source	70	CatNum	16623	DM	BD-01 2628
DMcomp		BDsup		HD	105757	M HD	0
GC	16623	RA1950rad	3.17610243	DE1950rad	-0.03426537	PmRA2000	0.001
PmDE2000	-0.04

12104-4352 B

Coord arcsec 2000

121022.15-435215.3

Mag

10.2

Delta magnitude

0.8

Coordinate calculated

yes