18036-4253 DON 879 (HD 164545)

18^h 03^m 38.90^s -42° 52' 34.2" P.A. 278.00 sep 2.0 mag 9.98,12.09 Sp F8 dist. 261.78 pc (853.93 l.y.)

Coord 2000	18036-4253	Discov num	DON 879	Comp		Coord arcsec 2000	18 03 38.90 -42 52 34.2
Date first	1931	Date last	2016	Obs	6
Pa first	277	Pa last	278.2	P.A. Now (θ)	278.2°
Sep first	1.7	Sep last	2.006	Sep. Now (ρ)	2.006"
Mag pri	9.98	Mag sec	12.09	delta mag (ΔM)	2.11	Spectral class	F8 (yellow-white)
Pri motion ra	-001	Sec motion ra	-001
Pri motion dec	-026	Sec motion dec	-026
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 164545	Constellation	Corona Austrina	HIP	88457	Tycho2	7907-02784-1
Gaia DR2	6725037595685878528	HD	164545	CD	CD-4212800	CP	CP-42 8225
Distance	261.78	Distance ly	853.93

WDS 18036-4253 DON 879 (HD 164545) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18036-4253	DON 879		1991	5	276	1.9	9.98	12.09	F8		180338.90-425234.2
18036-4253	DON 879		2016	6	278	2.0	9.98	12.09	F8		180338.90-425234.2

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

WDS 18036-4253 DON 879 (HD 164545) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18036-4253 DON 879 (HD 164545) : MEASURES

No records found.

WDS 18036-4253 (HD 164545) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18036-4253 (HD 164545) : ALADIN DSS IMAGE @ 18^h 03^m 38.90^s -42° 52' 34.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18036-4253 DON 879 (HD 164545) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18036-4253	DON 879		278	2.0
Show		18044-4306	DON 880		178	3.3	16
Show		18055-4238	CPO 572	AB	289	5.1	25
Show		18030-4328	SEE 345		139	15.3	36
Show		18002-4258	WFC 204		291	7.8	39
Show		18060-4223	CPO9256		65	4.5	40
Show		18007-4321	LDS 620		331	3.4	44
Show		18068-4325	HJ 5014			1.8	48
Show		18026-4204	HJ 5004		289	12.7	50
Show		17591-4312	DON 874		61	1.6	54
Show		17589-4310	DON 873		57	0.2	56
Show		18084-4225	CPO 573		25	4.9	59
Show		17584-4236	CPO 565		329	1.7	61
Show		18025-4152	BRT1013		348	6.1	61
Show		17580-4233	TDT 599		265	0.6	66
Show		17583-4222	TDT 604		257	0.4	67
Show		18050-4147	CPO 78		27	87.3	68
Show		18096-4227	BRT1026		4	5.7	71
Show		18064-4145	HJ 5011		344	28.1	74
Show		18065-4141	DAW 220		243	8.1	79
Show		18032-4132	BRT1014		272	5.7	81
Show		18003-4137	BRT1010		125	6.1	85
Show		18074-4409	B 2432		245	12.5	87
Show		17556-4313	BRT1004		294	3.4	91
Show		18118-4238	I 1353		73	1.2	92
Show		18096-4400	KPP4087		355	1.1	94
Show		17583-4407	BRT1006		133	3.8	95
Show		17553-4227	CPO 562		78	3.3	97
Show		17554-4222	VOU 77	AB	128	4.4	97
Show		17554-4222	VOU 77	AB,C	22	6.0	97
Show		18105-4150	BRT1028		299	4.0	98
Show		17548-4301	B 1872		332	0.2	98
Show		17589-4128	CPO 568		100	4.5	100
Show		17551-4327	TDT 569		105	2.3	101
Show		17555-4206	VOU 78		128	4.9	102
Show		18128-4233	BRT1030		7	4.6	103
Show		17542-4243	HDS2526		347	0.2	105
Show		18086-4423	BRT1023		225	7.4	106
Show		18081-4428	BRT1021		138	3.1	107
Show		18076-4431	BRT1019		3	4.2	108
Show		17558-4148	VOU 79		154	4.7	109
Show		18105-4411	BRT1027		141	3.8	109
Show		18135-4230	BRT1033		91	2.8	111
Show		18133-4220	BRT1032		93	5.6	112
Show		18017-4442	BRT1012		201	5.7	112
Show		18050-4445	FIN 9		193	1.4	114
Show		17597-4106	RST2012		140	0.7	116
Show		17597-4105	RST2013		206	0.7	117
Show		17537-4210	VOU 73		211	7.4	117
Show		18065-4100	RST2028		23	6.1	118
Show		18143-4309	SHY 740		345	999.9	119

WDS 18036-4253 : COMPONENTS

	A
B	pa=281.1° sep=1.48"

18036-4253 A

Componente originario normalizzato	AB	Name	HD 164545	Coord arcsec 2000	180338.90-425234.2	Mag	9.98
Spectral class	F8 (yellow-white)	PmRA	-1.00	PmDE	-26.0	HIP	88457
Tycho2	7907-02784-1	HD	164545	CD	CD-4212800	CP	CP-42 8225

Tycho2

Tycho2	7907-02784-1	Pflag	P	RAmdeg	270.91209862	DEmdeg	-42.87615956
PmRA	-0.9	PmDE	-26.3	E RAmdeg	19	E DEmdeg	27
E pmRA	2.4	E pmDE	2.1	EpRAm	1990.87	EpDEm	1989.54
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.0	Q pmRA	1.0
Q pmDE	1.0	BTmag	10.641	E BTmag	0.040	VTmag	9.983
E VTmag	0.034	Prox	19	TYC	T	HIP	88457
CCDM	A	RAdeg	270.91216806	DEdeg	-42.87610528	EpRA 1990	1.78
EpDE 1990	1.70	E RAdeg	19.2	E DEdeg	27.7	Posflg	D
Corr	-0.1

Hipparcos

Catalog	H	HIP	88457	Proxy	H	RAhms	18 03 38.91
DEdms	-42 52 33.9	Vmag	9.86	VarFlag		R Vmag	H
RAdeg	270.912	DEdeg	-42.8761	AstroRef	A	Plx	3.17
CCDM	18036-4253	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	279	Rho	1.99	HD	164545	BD
CD	CD-4212800	CP	CP-42 8225	Dm number	-4212800	VIred	0.61
SpType	F7	R SpType		Coord arcsec 2000	180338.91-425233.9

Hipparcos 2

HIP	88457	Sn	15	So	3	Nc	2
RArad	4.7283088386	DErad	-0.7483290617	Plx	3.82	PmRA	-6.03
PmDE	-28.9	E RArad	1.92	E DErad	0.95	E Plx	1.8
E pmRA	2.27	E pmDE	0.88	Hpmag	9.976	E Hpmag	0.0027
SHp	0.025	VA	0	BV	0	E BV	0
VI	0

CCDM

Ccdm	18036-4253	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.88	DDEs	24.5
R dRAs	31	Year		Theta		Rho
Obs	2	Vmag	9.6	Sp	F8	PmNote	*
PmRA	-8	PmDE	-41	Dm number	-4212800	Cat1	CD
Name2		Cat2		HD	164545	M HD
ADS BDS		M ADS BDS		N IDS		IDS	17565S4253A
HIC	88457

18036-4253 B

Componente originario normalizzato	AB		Coord arcsec 2000	180338.77-425233.9		Mag	12.09		PmRA	-1.00
PmDE	-26.0		Tycho2	7907-02784-2		Calc delta mag	2.11		Calc coord	yes

Tycho2

Tycho2	7907-02784-2	Pflag	P	RAmdeg	270.91209862	DEmdeg	-42.87615956
PmRA	-0.9	PmDE	-26.3	E RAmdeg	19	E DEmdeg	27
E pmRA	2.4	E pmDE	2.1	EpRAm	1990.87	EpDEm	1989.54
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.0	Q pmRA	1.0
Q pmDE	1.0	BTmag	12.447	E BTmag	0.202	VTmag	12.092
E VTmag	0.210	Prox	19	TYC		HIP	88457
CCDM	B	RAdeg	270.91146389	DEdeg	-42.87604917	EpRA 1990	1.79
EpDE 1990	1.71	E RAdeg	75.6	E DEdeg	109.8	Posflg	D
Corr	-0.1

CCDM

Ccdm	18036-4253	RComp		Comp	B	Note1
Note2		Discov num	DON 879	DRAs		DDEs
R dRAs		Year	1931	Theta	277	Rho	1.7
Obs	3	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	17565S4253B
HIC	88457