18055-4238 CPO 572 AB (HD 164915)

18^h 05^m 27.62^s -42° 38' 16.2" P.A. 289.00 sep 5.1 mag 9.20,11.91 Sp F3V dist. 333.33 pc (1087.32 l.y.)

Coord 2000	18055-4238	Discov num	CPO 572	Comp	AB	Coord arcsec 2000	18 05 27.62 -42 38 16.2
Date first	1901	Date last	2015	Obs	8
Pa first	271	Pa last	288.8	P.A. Now (θ)	288.8°
Sep first	6.4	Sep last	5.144	Sep. Now (ρ)	5.144"
Mag pri	9.20	Mag sec	11.91	delta mag (ΔM)	2.71	Spectral class	F3V (yellow-white)
Pri motion ra	+006	Sec motion ra	+007
Pri motion dec	-023	Sec motion dec	-006
Notes	W

rPM=0.716

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 164915	Constellation	Corona Austrina	HIP	88603	Tycho2	7907-03190-1
HD	164915	CD	CD-4212837	CP	CP-42 8253	Distance	333.33
Distance ly	1087.32

WDS 18055-4238 CPO 572 AB (HD 164915) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
CpO1906	-	Cape Observatory	.
CpO1906		Cape Obs - Henderson, 1906
CpO1938	P+ -	Cape Observatory	.
CpO1938	+T	Cape Obs (1822-1938 data)
CpO9999	T -	Cape Observatory	...................
CpO9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18055-4238	CPO 572	AB	2015	8	289	5.1	9.20	11.91	F3V	W	180527.62-423816.2

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WDS 18055-4238 CPO 572 AB (HD 164915) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18055-4238 CPO 572 AB (HD 164915) : MEASURES

No records found.

WDS 18055-4238 (HD 164915) : VIRTUAL EYEPIECE

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WDS 18055-4238 (HD 164915) : ALADIN DSS IMAGE @ 18^h 05^m 27.62^s -42° 38' 16.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18055-4238 CPO 572 AB (HD 164915) : 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		18055-4238	CPO 572	AB	289	5.1
Show		18060-4223	CPO9256		65	4.5	17
Show		18036-4253	DON 879		278	2.0	25
Show		18044-4306	DON 880		178	3.3	30
Show		18084-4225	CPO 573		25	4.9	35
Show		18026-4204	HJ 5004		289	12.7	47
Show		18096-4227	BRT1026		4	5.7	48
Show		18068-4325	HJ 5014			1.8	50
Show		18050-4147	CPO 78		27	87.3	52
Show		18064-4145	HJ 5011		344	28.1	54
Show		18025-4152	BRT1013		348	6.1	56
Show		18030-4328	SEE 345		139	15.3	57
Show		18065-4141	DAW 220		243	8.1	59
Show		18002-4258	WFC 204		291	7.8	62
Show		18007-4321	LDS 620		331	3.4	68
Show		18118-4238	I 1353		73	1.2	71
Show		18032-4132	BRT1014		272	5.7	71
Show		18105-4150	BRT1028		299	4.0	74
Show		17591-4312	DON 874		61	1.6	79
Show		17584-4236	CPO 565		329	1.7	79
Show		17589-4310	DON 873		57	0.2	79
Show		17583-4222	TDT 604		257	0.4	81
Show		18128-4233	BRT1030		7	4.6	81
Show		17580-4233	TDT 599		265	0.6	83
Show		18003-4137	BRT1010		125	6.1	85
Show		18133-4220	BRT1032		93	5.6	89
Show		18135-4230	BRT1033		91	2.8	90
Show		18074-4409	B 2432		245	12.5	94
Show		18096-4400	KPP4087		355	1.1	94
Show		18065-4100	RST2028		23	6.1	100
Show		18116-4125	I 1352		72	2.1	100
Show		17589-4128	CPO 568		100	4.5	102
Show		18143-4309	SHY 740		345	999.9	103
Show		18135-4147	BRT1034		171	3.0	103
Show		18105-4411	BRT1027		141	3.8	109
Show		18139-4140	BRT1035		89	5.2	110
Show		18086-4423	BRT1023		225	7.4	111
Show		17554-4222	VOU 77	AB	128	4.4	114
Show		17554-4222	VOU 77	AB,C	22	6.0	114
Show		17597-4106	RST2012		140	0.7	114
Show		18081-4428	BRT1021		138	3.1	114
Show		17597-4105	RST2013		206	0.7	114
Show		17553-4227	CPO 562		78	3.3	114
Show		17556-4313	BRT1004		294	3.4	114
Show		18044-4044	RST2023		65	2.4	115
Show		17555-4206	VOU 78		128	4.9	115
Show		18076-4431	BRT1019		3	4.2	116
Show		18112-4418	HDS2566		53	18.1	118
Show		17583-4407	BRT1006		133	3.8	118
Show		17558-4148	VOU 79		154	4.7	119
Show		18051-4040	CPO 571		212	4.1	119

WDS 18055-4238 : COMPONENTS

	A
B	pa=294.8° sep=3.95"

18055-4238 A

Name	HD 164915	Coord arcsec 2000	180527.62-423816.2	Mag	9.2	Spectral class	F3V (yellow-white)
PmRA	6.00	PmDE	-23.0	HIP	88603	Tycho2	7907-03190-1
HD	164915	CD	CD-4212837	CP	CP-42 8253

Tycho2

Tycho2	7907-03190-1	Pflag		RAmdeg	271.36507542	DEmdeg	-42.63784339
PmRA	-1.8	PmDE	-22.3	E RAmdeg	8	E DEmdeg	11
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.63	EpDEm	1989.36
Num	4	Q RAmdeg	1.4	Q DEmdeg	0.9	Q pmRA	1.4
Q pmDE	0.9	BTmag	9.624	E BTmag	0.020	VTmag	9.198
E VTmag	0.016	Prox	52	TYC	T	HIP	88603
CCDM	A	RAdeg	271.36508111	DEdeg	-42.63779028	EpRA 1990	1.72
EpDE 1990	1.36	E RAdeg	8.0	E DEdeg	11.1	Posflg
Corr	-0.1

Hipparcos

Catalog	H	HIP	88603	Proxy	H	RAhms	18 05 27.62
DEdms	-42 38 16.1	Vmag	9.05	VarFlag		R Vmag	H
RAdeg	271.365	DEdeg	-42.6378	AstroRef	A	Plx	2.25
CCDM	18055-4238	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	284	Rho	5.199	HD	164915	BD
CD	CD-4212837	CP	CP-42 8253	Dm number	-4212837	VIred	0.48
SpType	F3V	R SpType		Coord arcsec 2000	180527.62-423816.1

Hipparcos 2

HIP	88603	Sn	15	So	3	Nc	2
RArad	4.7362139897	DErad	-0.7441698619	Plx	3	PmRA	-4.15
PmDE	-22.32	E RArad	1.13	E DErad	0.62	E Plx	1.25
E pmRA	1.3	E pmDE	0.61	Hpmag	9.1451	E Hpmag	0.0021
SHp	0.018	VA	0	BV	0.439	E BV	0.1
VI	0.48

CCDM

Ccdm	18055-4238	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.33	DDEs	-15.1
R dRAs	11	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	F2	PmNote
PmRA	-6	PmDE	-17	Dm number	-4212837	Cat1	CD
Name2		Cat2		HD	164915	M HD
ADS BDS		M ADS BDS		N IDS		IDS	17583S4239A
HIC	88603

18055-4238 B

Coord arcsec 2000	180527.30-423814.5		Mag	11.91		PmRA	7.00		PmDE	-6.0
Calc delta mag	2.71		Calc coord	yes

CCDM

Ccdm	18055-4238	RComp		Comp	B	Note1
Note2		Discov num	CPO	DRAs	-2.91	DDEs	-15.1
R dRAs	10	Year	1901	Theta	270	Rho	6.4
Obs	1	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	17583S4239B
HIC	88603