17123-5523 HDS 2430 AB (HD 155054)

17^h 12^m 19.94^s -55° 23' 21.8" P.A. 119.00 sep 13.3 mag 9.12,12.35 Sp F2V dist. 184.84 pc (602.95 l.y.)

Coord 2000	17123-5523	Discov num	HDS2430	Comp	AB	Coord arcsec 2000	17 12 19.94 -55 23 21.8
Date first	1923	Date last	2015	Obs	7
Pa first	129	Pa last	118.5	P.A. Now (θ)	118.5°
Sep first	14.6	Sep last	13.338	Sep. Now (ρ)	13.338"
Mag pri	9.12	Mag sec	12.35	delta mag (ΔM)	3.23	Spectral class	F2V (yellow-white)
Pri motion ra	-003	Sec motion ra	-002
Pri motion dec	-034	Sec motion dec	-033
Notes	W

rPM=0.041 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 155054	Constellation	Ara	SAO	244510	HIP	84157
Tycho2	8731-00254-1	HD	155054	CP	CP-55 7939	Distance	184.84
Distance ly	602.95

WDS 17123-5523 HDS 2430 AB (HD 155054) : 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
17123-5523	HDS2430	AB	2015	7	119	13.3	9.12	12.35	F2V	W	171219.94-552321.8

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

WDS 17123-5523 HDS 2430 AB (HD 155054) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17123-5523 HDS 2430 AB (HD 155054) : MEASURES

No records found.

WDS 17123-5523 (HD 155054) : VIRTUAL EYEPIECE

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WDS 17123-5523 (HD 155054) : ALADIN DSS IMAGE @ 17^h 12^m 19.94^s -55° 23' 21.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17123-5523 HDS 2430 AB (HD 155054) : 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		17123-5523	HDS2430	AB	119	13.3
Show		17166-5519	RST 913		162	1.1	37
Show		17078-5539	RST 897		98	1.5	42
Show		17137-5425	R 294		116	14.4	60
Show		17101-5627	MOC 11		191	4.6	67
Show		17097-5420	HJ 4917		35	15.1	68
Show		17209-5511	TDT 316		280	0.9	74
Show		17220-5528	BRT3183		18	4.9	83
Show		17036-5448	WFC 184		142	14.2	84
Show		17026-5504	HDS2411	Aa,Ab	9	0.2	86
Show		17026-5504	HJ 4905	AB	54	39.5	86
Show		17195-5422	HJ 4930		41	8.7	88
Show		17023-5556	CPO 510		14	8.4	91
Show		17171-5403	CPO 517		198	6.2	91
Show		17207-5625	FIN 255	AB	108	0.4	94
Show		17207-5625	HJ 4938	AB,C	109	25.0	94
Show		17228-5608	RST 921		40	1.2	99
Show		17215-5628	HJ 4939		227	29.6	101
Show		17015-5606	RST 892		48	0.6	102
Show		17133-5340	FIN 52		124	5.1	104
Show		17074-5345	RST3067		60	4.1	107
Show		17107-5710	RST 903		223	0.3	108
Show		17180-5347	RST3083		211	2.9	108
Show		17056-5346	RST3064		136	0.2	114
Show		17001-5436	HDO 262		51	25.2	116
Show		17059-5342	KPP 389		317	3.7	116
Show		17253-5600	HDS2459		174	0.2	116
Show		17036-5655	BRT2821		93	3.8	117
Show		17011-5633	HLD 131		134	2.2	118
Show		17255-5604	RST 925		73	0.6	119
Show		17251-5613	RST 923		337	5.4	119
Show		17239-5413	TDS 864		244	1.5	122
Show		17246-5629	HRG 123		296	29.2	123
Show		17252-5621	BRT3318		105	2.7	124
Show		17254-5623	HJ 4942	AB	326	18.4	125
Show		17254-5623	HJ 4942	AC	64	41.2	125
Show		17254-5623	ANT 5	AD	39	47.2	125
Show		17035-5709	TDT 193		330	0.5	129
Show		17141-5736	TDT 278		147	0.8	134
Show		16566-5547	RST 886		229	1.9	135
Show		17193-5323	DUN 215	AB	43	61.6	135
Show		17193-5323	DUN 215	AC	89	63.3	135
Show		17193-5323	DUN 215	CD	157	13.0	136
Show		17243-5354	KPP 397		140	3.7	138
Show		17134-5306	B 2406		84	8.0	138
Show		17284-5558	CPO 526		26	8.2	140
Show		17286-5510	HDO 273		147	38.2	141
Show		17188-5734	RST 916		214	0.4	142
Show		17107-5300	NSN 374		343	1.2	144
Show		17206-5730	BRT2822		344	3.6	145
Show		16556-5458	BRT2580		105	5.6	145

WDS 17123-5523 : COMPONENTS

	A
B	pa=133.7° sep=9.21"

17123-5523 A

Name	HD 155054	Coord arcsec 2000	171219.94-552321.8	Mag	9.12	Spectral class	F2V (yellow-white)
PmRA	-3.00	PmDE	-34.0	SAO	244510	HIP	84157
Tycho2	8731-00254-1	HD	155054	CP	CP-55 7939

Tycho2

Tycho2	8731-00254-1	Pflag		RAmdeg	258.08308840	DEmdeg	-55.38938361
PmRA	-1.0	PmDE	-35.5	E RAmdeg	12	E DEmdeg	13
E pmRA	1.7	E pmDE	1.6	EpRAm	1989.30	EpDEm	1988.75
Num	9	Q RAmdeg	1.0	Q DEmdeg	0.6	Q pmRA	1.0
Q pmDE	0.7	BTmag	9.536	E BTmag	0.024	VTmag	9.125
E VTmag	0.022	Prox	134	TYC	T	HIP	84157
CCDM	A	RAdeg	258.08309056	DEdeg	-55.38929917	EpRA 1990	1.68
EpDE 1990	1.50	E RAdeg	12.6	E DEdeg	14.2	Posflg
Corr	0.2

SAO

SAO	244510	DelFlag		RA1950		PmRA1950	-0.0003
DE1950		PmDE1950	-0.043	Vmag	9.1	SpType	F5
Double code		Source	42	CatNum	6721	DM	CP-55 7939
DMcomp		BDsup		HD	155054	M HD	0
GC		RA1950rad	4.48635235	DE1950rad	-0.96567315	PmRA2000	-0.0008
PmDE2000	-0.044

Hipparcos

Catalog	H	HIP	84157	Proxy		RAhms	17 12 19.94
DEdms	-55 23 21.5	Vmag	9.06	VarFlag		R Vmag	H
RAdeg	258.083	DEdeg	-55.3893	AstroRef	A	Plx	3.59
CCDM	17123-5523	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	126	Rho	13.419	HD	155054	BD
CD		CP	CP-55 7939	Dm number	-55 7939	VIred	0.48
SpType	F2V	R SpType		Coord arcsec 2000	171219.94-552321.5

Hipparcos 2

HIP	84157	Sn	15	So	3	Nc	2
RArad	4.5043996519	DErad	-0.9667255995	Plx	5.41	PmRA	-3.67
PmDE	-31.52	E RArad	1.58	E DErad	1.3	E Plx	1.83
E pmRA	1.88	E pmDE	1.49	Hpmag	9.159	E Hpmag	0.0136
SHp	0.027	VA	0	BV	0.45	E BV	0.026
VI	0.52

CCDM

Ccdm	17123-5523	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.91	DDEs	-21.2
R dRAs	40	Year		Theta		Rho
Obs	2	Vmag	9.0	Sp	F5	PmNote
PmRA	-9	PmDE	-34	Dm number	-55 7939	Cat1	CPD
Name2	244510	Cat2	SAO	HD	155054	M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	17041S5516A
HIC	84157

17123-5523 B

Coord arcsec 2000	171220.72-552328.2		Mag	12.35		PmRA	-2.00		PmDE	-33.0
Calc delta mag	3.23		Calc coord	yes

CCDM

Ccdm	17123-5523	RComp		Comp	B	Note1
Note2		Discov num	RSU	DRAs	3.33	DDEs	-28.4
R dRAs	40	Year	1975	Theta	125	Rho	14.3
Obs	1	Vmag	12.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	17041S5516B
HIC