21107-3959 HDS 3018 (HD 201424)

21^h 10^m 44.77^s -39° 58' 30.5" P.A. 189.00 sep 0.8 mag 7.89,11.59 Sp G8III dist. 471.7 pc (1538.69 l.y.)

Coord 2000	21107-3959	Discov num	HDS3018	Comp		Coord arcsec 2000	21 10 44.77 -39 58 30.5
Date first	1991	Date last	1991	Obs	2
Pa first	188	Pa last	188.9	P.A. Now (θ)	188.9°
Sep first	0.8	Sep last	0.82	Sep. Now (ρ)	0.82"
Mag pri	7.89	Mag sec	11.59	delta mag (ΔM)	3.7	Spectral class	G8III (yellow)
Pri motion ra	+012	Sec motion ra	+012
Pri motion dec	-038	Sec motion dec	-039
Notes

rPM=0.025 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 201424	Constellation	Microscopium	SAO	230562	HIP	104555
Tycho2	7970-00659-1	Gaia DR2	6581888264150552064	HD	201424	CD	CD-4014203
CP	CP-40 9480	Distance	471.7	Distance ly	1538.69

WDS 21107-3959 HDS 3018 (HD 201424) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21107-3959	HDS3018		1991	2	189	0.8	7.89	11.59	G8III		211044.77-395830.5

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WDS 21107-3959 HDS 3018 (HD 201424) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21107-3959 HDS 3018 (HD 201424) : MEASURES

No records found.

WDS 21107-3959 (HD 201424) : VIRTUAL EYEPIECE

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WDS 21107-3959 (HD 201424) : ALADIN DSS IMAGE @ 21^h 10^m 44.77^s -39° 58' 30.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21107-3959 HDS 3018 (HD 201424) : 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		21107-3959	HDS3018		189	0.8	1
Show		21103-4014	CRU9017		303	25.0	17
Show		21122-4016	CRU9018	AB	212	122.8	25
Show		21122-4016	CRU9018	AC	237	146.0	25
Show		21122-4016	CRU9018	AD	250	180.1	25
Show		21122-4016	CRU9018	AE	268	219.6	25
Show		21122-4016	CRU9018	AF	326	122.7	25
Show		21088-3927	CRU9015		88	23.6	39
Show		21071-3944	KPP2409		194	20.9	45
Show		21142-3936	WG 267		318	10.0	45
Show		21144-4025	UC 4416		140	12.5	50
Show		21065-4012	WG 265		64	10.0	50
Show		21091-4047	CPO 620	AB	347	20.1	52
Show		21090-4058	CRU9016	AB	82	117.7	63
Show		21090-4058	CRU9016	AC	24	137.2	63
Show		21156-3927	B 521	BC	50	0.5	64
Show		21156-3927	HJ 5254	A,BC	191	57.8	65
Show		21055-3933	TDT2734		35	0.4	66
Show		21140-3858	TDT2844		69	0.5	72
Show		21162-4041	CBL 182		152	31.3	76
Show		21104-4114	ARU 3		142	0.2	77
Show		21178-3945	TDT2890	Ba,Bb	252	0.5	82
Show		21178-3945	CRU9019	AB	230	117.1	83
Show		21178-3945	CRU9019	AC	62	62.8	83
Show		21075-3842	WG 266		299	3.4	86
Show		21090-4126	UC 4390		217	35.3	91
Show		21038-4041	RSS 37		318	50.5	91
Show		21121-4128	BVD 153		132	44.1	91
Show		21176-3914	SEE 442		40	4.9	92
Show		21143-3835	B 520	AB	252	0.8	94
Show		21143-3835	HJ 5253	AC	183	10.4	94
Show		21064-4123	SEE 437	AB	54	43.8	98
Show		21064-4123	SEE 437	AC	88	127.8	98
Show		21163-3845	LDS 737		157	7.2	98
Show		21065-3826	KIR 23		143	42.8	105
Show		21196-3929	I 1438		57	3.8	107
Show		21172-4118	RST4079		21	0.2	109
Show		21121-3811	HJ 5249		327	23.1	110
Show		21125-4148	I 1436		276	0.5	112
Show		21186-4116	UC 4437		295	32.3	118
Show		21029-3839	KPP4221	CD	265	4.5	121
Show		21030-3838	UC 4365		207	99.7	122
Show		21213-4011	WG 270		52	4.8	122
Show		21187-3835	NSN 467		290	36.2	125
Show		21208-4049	HDS3039		13	0.2	125
Show		21175-4142	LIT 35		248	10.5	130
Show		21007-4111	I 1049		346	1.3	136
Show		21114-4215	TSN 97		227	56.4	137
Show		21208-3847	CVN 110	AB	25	7.0	137
Show		21174-4157	NSN 466		4	45.0	141
Show		21050-4203	CPO 619		252	5.6	141

WDS 21107-3959 : COMPONENTS

	A
B	pa=186.8° sep=0.82"

21107-3959 A

Componente originario normalizzato	AB	Name	HD 201424	Coord arcsec 2000	211044.77-395830.5	Mag	7.89
Spectral class	G8III (yellow)	PmRA	12.00	PmDE	-38.0	SAO	230562
HIP	104555	Tycho2	7970-00659-1	HD	201424	CD	CD-4014203
CP	CP-40 9480

Tycho2

Tycho2	7970-00659-1	Pflag		RAmdeg	317.68653774	DEmdeg	-39.97513088
PmRA	11.6	PmDE	-37.8	E RAmdeg	6	E DEmdeg	7
E pmRA	1.0	E pmDE	1.0	EpRAm	1990.83	EpDEm	1990.54
Num	12	Q RAmdeg	1.0	Q DEmdeg	0.6	Q pmRA	1.0
Q pmDE	0.6	BTmag	9.069	E BTmag	0.018	VTmag	7.892
E VTmag	0.012	Prox	8	TYC	T	HIP	104555
CCDM	A	RAdeg	317.68650333	DEdeg	-39.97504333	EpRA 1990	1.68
EpDE 1990	1.64	E RAdeg	5.7	E DEdeg	6.8	Posflg	P
Corr	-0.2

SAO

SAO	230562	DelFlag		RA1950		PmRA1950	0.0014
DE1950		PmDE1950	-0.054	Vmag	7	SpType	G5
Double code		Source	48	CatNum	19226	DM	CP-40 9480
DMcomp		BDsup		HD	201424	M HD	0
GC		RA1950rad	5.53071545	DE1950rad	-0.70126416	PmRA2000	0.0015
PmDE2000	-0.057

Hipparcos

Catalog	H	HIP	104555	Proxy	H	RAhms	21 10 44.76
DEdms	-39 58 30.1	Vmag	7.77	VarFlag		R Vmag	H
RAdeg	317.686	DEdeg	-39.975	AstroRef	A	Plx	1.77
CCDM	21107-3959	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	188	Rho	0.818	HD	201424	BD
CD	CD-4014203	CP	CP-40 9480	Dm number	-4014203	VIred	0.94
SpType	G8III	R SpType		Coord arcsec 2000	211044.76-395830.1

Hipparcos 2

HIP	104555	Sn	15	So	3	Nc	2
RArad	5.5446753548	DErad	-0.6976960641	Plx	2.12	PmRA	10.98
PmDE	-38.47	E RArad	0.7	E DErad	0.51	E Plx	0.95
E pmRA	0.84	E pmDE	0.43	Hpmag	7.939	E Hpmag	0.0012
SHp	0.011	VA	0	BV	1.003	E BV	0.014
VI	0.98

CCDM

Ccdm	21107-3959	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.77	DDEs	29.5
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.0	Sp	G8	PmNote	*
PmRA	12	PmDE	-39	Dm number	-4014203	Cat1	CD
Name2	230562	Cat2	SAO	HD	201424	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	104555

21107-3959 B

Componente originario normalizzato	AB		Coord arcsec 2000	211044.76-395831.3		Mag	11.59		PmRA	12.00
PmDE	-39.0		Calc delta mag	3.7		Calc coord	yes

CCDM

Ccdm	21107-3959	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.76	DDEs	28.7
R dRAs	82	Year	1991	Theta	188	Rho	0.8
Obs	1	Vmag	11.6	Sp		PmNote	*
PmRA	12	PmDE	-39	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	104555