18431-6338 TDS 938 (HD 172163)

18^h 43^m 04.32^s -63° 38' 17.5" P.A. 306.00 sep 1.4 mag 9.90,11.49 Sp A5/7IV/V

Coord 2000	18431-6338	Discov num	TDS 938	Comp		Coord arcsec 2000	18 43 04.32 -63 38 17.5
Date first	1991	Date last	1991	Obs	1
Pa first	306	Pa last	305.6	P.A. Now (θ)	305.6°
Sep first	1.4	Sep last	1.398	Sep. Now (ρ)	1.398"
Mag pri	9.90	Mag sec	11.49	delta mag (ΔM)	1.59	Spectral class	A5/7IV/V (white)
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	-025	Sec motion dec	-025
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 172163		Constellation	Pavo		SAO	254349		Tycho2	9073-00266-1
Gaia DR2	6439335241583237632		HD	172163

WDS 18431-6338 TDS 938 (HD 172163) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho 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
18431-6338	TDS 938		1991	1	306	1.4	9.90	11.49			184304.32-633817.5

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WDS 18431-6338 TDS 938 (HD 172163) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18431-6338 TDS 938 (HD 172163) : MEASURES

No records found.

WDS 18431-6338 (HD 172163) : VIRTUAL EYEPIECE

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WDS 18431-6338 (HD 172163) : ALADIN DSS IMAGE @ 18^h 43^m 04.32^s -63° 38' 17.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18431-6338 TDS 938 (HD 172163) : 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		18431-6338	TDS 938		306	1.4
Show		18451-6358	BIL 1		170	1.2	24
Show		18388-6353	BRT2012		352	4.7	32
Show		18388-6323	HDS2643		148	0.2	33
Show		18355-6319	RST 991		6	0.6	54
Show		18418-6244	TDS 933		235	0.7	56
Show		18471-6244	CPO 83		3	1.8	61
Show		18487-6427	I 639		71	2.1	61
Show		18334-6349	KPP2265		292	18.9	66
Show		18445-6226	WIS 330		273	777.2	74
Show		18454-6452	BIL 4	Ba,Bb	92	0.1	76
Show		18454-6452	SKF 105	AB	65	71.3	76
Show		18454-6452	CVN 59	AC	319	7.4	76
Show		18550-6356	NZO 93		335	3.6	76
Show		18550-6314	RST1006	AB	305	1.2	84
Show		18550-6314	UC 3720	AC	47	30.4	84
Show		18481-6214	CAB 8		290	550.3	92
Show		18415-6201	TDT1000		343	0.7	98
Show		18572-6409	RST5455		124	0.2	99
Show		18297-6259	RST 984		308	3.1	99
Show		18414-6201	RSS 489		100	14.1	99
Show		18576-6321	SKF 372		9	24.5	99
Show		18380-6205	UC 3631		303	51.4	100
Show		18383-6516	RST 993		42	0.4	103
Show		18285-6417	UC 3588		154	23.5	104
Show		18565-6247	KPP 429		113	3.8	105
Show		18297-6436	RST5448	AB	181	0.3	105
Show		18285-6259	RST 983		242	3.3	107
Show		18294-6245	UC 3591		160	75.8	107
Show		18522-6211	HJ 5062		205	60.6	108
Show		18504-6203	RSS 492		188	14.2	108
Show		18391-6523	SKF 370		70	7.0	108
Show		18597-6327	TSN 188		11	0.0	112
Show		18596-6318	UC 3749		169	37.8	113
Show		18490-6525	SKF1648		74	23.1	114
Show		18314-6217	HUB 18	AB	169	3.1	115
Show		18262-6417	FIN 265		143	2.3	118
Show		18252-6325	UC 3576		113	71.4	121
Show		18255-6413	TDT 855		126	2.4	121
Show		18255-6301	UC 3577	AB	118	65.1	124
Show		18255-6301	ARY 108	AC	227	109.6	124
Show		18503-6542	KPP1663		97	12.8	132
Show		18278-6216	UC 3586		77	32.0	133
Show		18231-6359	UC 3569	BC	62	45.3	134
Show		18231-6359	UC 3569	AB	15	39.6	134
Show		18474-6552	LDS 650		253	13.1	137
Show		18514-6548	TDS 950		299	1.2	140
Show		18564-6149	HJ 5069	AB	84	0.4	143
Show		18564-6149	HJ 5069	AB,C	99	14.2	143
Show		18347-6557	I 634		357	2.9	149
Show		18451-6607	KPP1463		11	11.0	150

WDS 18431-6338 : COMPONENTS

	A
B	pa=328.2° sep=0.96"

18431-6338 A

Componente originario normalizzato	AB	Name	HD 172163	Coord arcsec 2000	184304.32-633817.5	Mag	9.9
Spectral class	A5/7IV/V (white)	PmRA	4.00	PmDE	-25.0	SAO	254349
Tycho2	9073-00266-1	HD	172163	DM	CP-63 4441

Tycho2

Tycho2	9073-00266-1	Pflag	P	RAmdeg	280.76800161	DEmdeg	-63.63818243
PmRA	3.8	PmDE	-25.0	E RAmdeg	15	E DEmdeg	15
E pmRA	2.8	E pmDE	2.7	EpRAm	1990.90	EpDEm	1990.93
Num	6	Q RAmdeg	0.5	Q DEmdeg	1.0	Q pmRA	0.5
Q pmDE	1.0	BTmag	10.193	E BTmag	0.026	VTmag	9.895
E VTmag	0.027	Prox	14	TYC	T	HIP
CCDM		RAdeg	280.76800833	DEdeg	-63.63813306	EpRA 1990	1.57
EpDE 1990	1.60	E RAdeg	15.4	E DEdeg	15.3	Posflg	D
Corr	0.1

SAO

SAO	254349	DelFlag		RA1950		PmRA1950	0.0034
DE1950		PmDE1950	-0.015	Vmag	10	SpType	F0
Double code		Source	43	CatNum	5656	DM	CP-63 4441
DMcomp		BDsup		HD	172163	M HD	0
GC		RA1950rad	4.87948197	DE1950rad	-1.11154601	PmRA2000	0.0022
PmDE2000	-0.016

18431-6338 B

Componente originario normalizzato	AB		Coord arcsec 2000	184304.24-633816.7		Mag	11.49		PmRA	4.00
PmDE	-25.0		Tycho2	9073-00266-2		Calc delta mag	1.59		Calc coord	yes

Tycho2

Tycho2	9073-00266-2	Pflag	P	RAmdeg	280.76800161	DEmdeg	-63.63818243
PmRA	3.8	PmDE	-25.0	E RAmdeg	15	E DEmdeg	15
E pmRA	2.8	E pmDE	2.7	EpRAm	1990.90	EpDEm	1990.93
Num	6	Q RAmdeg	0.5	Q DEmdeg	1.0	Q pmRA	0.5
Q pmDE	1.0	BTmag	13.006	E BTmag	0.265	VTmag	11.489
E VTmag	0.101	Prox	14	TYC		HIP
CCDM		RAdeg	280.76729667	DEdeg	-63.63790750	EpRA 1990	1.57
EpDE 1990	1.61	E RAdeg	126.1	E DEdeg	124.1	Posflg	D
Corr	0.1