16250-2521 HDS 2320 (HD 147809)

16^h 24^m 59.15^s -25° 21' 17.8" P.A. 170.00 sep 0.4 mag 8.74,12.33 Sp A1V dist. 151.52 pc (494.26 l.y.)

Coord 2000	16250-2521	Discov num	HDS2320	Comp		Coord arcsec 2000	16 24 59.15 -25 21 17.8
Date first	1991	Date last	2022	Obs	5
Pa first	150	Pa last	169.8	P.A. Now (θ)	169.8°
Sep first	0.7	Sep last	0.418	Sep. Now (ρ)	0.418"
Mag pri	8.74	Mag sec	12.33	delta mag (ΔM)	3.59	Spectral class	A1V (white)
Pri motion ra	-009	Sec motion ra
Pri motion dec	-025	Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 147809	Constellation	Scorpius	SAO	184372	HIP	80425
Tycho2	6798-00541-1	Gaia DR2	6048951366100474368	HD	147809	CD	CD-2511501
CP	CP-25 5791	Distance	151.52	Distance ly	494.26

WDS 16250-2521 HDS 2320 (HD 147809) : NOTES

No records found.

DISCOVERER

discov	author
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	dm_number	notes	coord_arcsec_2000
16250-2521	HDS2320		1991	1	150	0.7	8.74	12.33	A1V	-2511501	V	162459.15-252117.8
16250-2521	HDS2320		2000	2	156	0.6	8.74	12.33	A1V	-2511501	V	162459.15-252117.8
16250-2521	HDS2320		2014	4	163	0.5	8.74	12.33	A1V	-2511501	V	162459.15-252117.8
16250-2521	HDS2320		2022	5	170	0.4	8.74	12.33	A1V	-2511501	V	162459.15-252117.8

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

WDS 16250-2521 HDS 2320 (HD 147809) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16250-2521 HDS 2320 (HD 147809) : MEASURES

No records found.

WDS 16250-2521 (HD 147809) : VIRTUAL EYEPIECE

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WDS 16250-2521 (HD 147809) : ALADIN DSS IMAGE @ 16^h 24^m 59.15^s -25° 21' 17.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16250-2521 HDS 2320 (HD 147809) : 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		16250-2521	HDS2320		170	0.4	0
Show		16253-2512	RAT 1	AB	76	0.2	11
Show		16253-2512	SFR 4	Ba,Bb	164	0.0	11
Show		16240-2525	TOK 773		8	2.1	14
Show		16263-2521	REP 38		26	1.1	18
Show		16265-2527	RAT 6		9	1.8	21
Show		16244-2502	B 308	AB	142	2.7	22
Show		16244-2502	KOU 62	AC	31	9.4	22
Show		16250-2500	REP 36		262	1.5	22
Show		16243-2545	USD1454	Aa,Ab	74	0.5	26
Show		16243-2545	USD1454	AB	50	11.4	26
Show		16250-2456	KRS 5	Aa,Ab	14	0.1	26
Show		16250-2456	REP 35	AB	79	1.1	26
Show		16241-2457	TOK 775		68	0.2	28
Show		16237-2548	RST3019		6	0.8	33
Show		16272-2452	BOV 55		302	10.2	43
Show		16270-2446	CST 6	Aa,Ab	38	0.1	45
Show		16270-2446	HER 17	AB	349	5.1	45
Show		16270-2446	COR 8	Ba,Bb	241	0.1	45
Show		16267-2440	RAT 7		259	0.1	48
Show		16265-2438	CST 4		255	0.4	49
Show		16251-2432	TOK 777		103	0.3	49
Show		16268-2438	BNY 2		291	3.6	50
Show		16271-2440	ALO 4		354	7.7	51
Show		16273-2442	ALO 7	Ca,Cb	-1	0.3	51
Show		16273-2442	CST 8	AB	76	0.1	51
Show		16273-2442	ALO 7	AB,C	165	8.7	51
Show		16273-2442	ALO 7	AB,D	3	4.4	51
Show		16273-2442	YLW 13	AB,E	96	26.7	51
Show		16273-2439	YLW 11	AB	103	56.6	53
Show		16279-2446	DCH 85	AB	256	6.2	53
Show		16279-2446	DCH 85	AC	261	8.7	53
Show		16274-2441	GRT 1	Aa,Ab	334	0.6	53
Show		16274-2441	ALO 10	AB	323	7.2	53
Show		16273-2439	RES 1	CD	353	2.3	53
Show		16277-2443	DCH 81		10	1.6	53
Show		16273-2439	RIE 1	BC	270	3.2	53
Show		16273-2439	RES 1	BD	52	3.7	53
Show		16270-2436	YLW 4	AB	308	29.7	53
Show		16270-2436	YLW 4	AC	1	56.3	53
Show		16270-2436	YLW 4	BC	33	45.3	53
Show		16282-2451	RAT 17		101	3.6	54
Show		16256-2614	ELP 36		23	0.9	54
Show		16212-2536	BLM 4	Aa,Ab	210	0.4	54
Show	Alniyat	16212-2536	H 4 121	AB	269	20.5	54
Show	Alniyat	16212-2536	NOR 1	Aa1,2	89	0.0	54
Show		16260-2430	RAT 4		10	0.1	54
Show		16275-2440	YLW 16	AB	102	24.0	54
Show		16275-2440	TER 2	Aa,Ab	267	0.3	54
Show		16253-2427	B 309		104	0.1	55
Show		16257-2427	RAT 3		118	0.7	56

WDS 16250-2521 : COMPONENTS

	A
B	pa=169.8° sep=0.42"

16250-2521 A

Name	HD 325545	Coord arcsec 2000	162459.15-252117.8	Mag	8.74	Spectral class	A1V (white)
PmRA	-9.00	PmDE	-25.0	HIP	80425	Tycho2	6798-00541-1
HD	147809	CD	CD-2511501	CP	CP-25 5791

Tycho2

Tycho2	6798-00541-1	Pflag		RAmdeg	246.24643446	DEmdeg	-25.35500257
PmRA	-14.0	PmDE	-24.9	E RAmdeg	8	E DEmdeg	10
E pmRA	1.6	E pmDE	1.6	EpRAm	1990.94	EpDEm	1990.14
Num	7	Q RAmdeg	1.9	Q DEmdeg	0.8	Q pmRA	1.9
Q pmDE	0.9	BTmag	9.088	E BTmag	0.019	VTmag	8.673
E VTmag	0.017	Prox	999	TYC	T	HIP	80425
CCDM	AB	RAdeg	246.24647111	DEdeg	-25.35494278	EpRA 1990	1.76
EpDE 1990	1.40	E RAdeg	8.1	E DEdeg	10.4	Posflg	P
Corr	0.0

Hipparcos

Catalog	H	HIP	80425	Proxy	H	RAhms	16 24 59.15
DEdms	-25 21 17.8	Vmag	8.6	VarFlag		R Vmag	G
RAdeg	246.246	DEdeg	-25.3549	AstroRef	A	Plx	6.36
CCDM	-9.03	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	150	Rho	0.669	HD		BD
CD	CD-2511501	CP	CP-25 5791	Dm number	-2511501	VIred	0.49
SpType	A1V	R SpType		Coord arcsec 2000	162459.15-252117.8

Hipparcos 2

HIP	80425	Sn	15	So	3	Nc	2
RArad	4.2978117356	DErad	-0.4425271084	Plx	6.6	PmRA	-11.16
PmDE	-24.59	E RArad	1.2	E DErad	0.84	E Plx	1.38
E pmRA	1.4	E pmDE	1.21	Hpmag		E Hpmag	0.0027
SHp	0.015	VA	0	BV	0.421	E BV	0.025
VI	0.49

CCDM

Ccdm	16250-2521	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.85	DDEs	-18.0
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.7	Sp	A1	PmNote	*
PmRA	-9	PmDE	-25	Dm number	-2511501	Cat1	CD
Name2	184372	Cat2	SAO	HD	147809	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	80425

16250-2521 B

Coord arcsec 2000

162459.16-252118.2

Mag

12.33

Delta magnitude

3.59

Coordinate calculated

yes

CCDM

Ccdm	16250-2521	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-0.82	DDEs	-18.6
R dRAs	82	Year	1991	Theta	150	Rho	0.7
Obs	1	Vmag	12.3	Sp		PmNote	*
PmRA	-9	PmDE	-25	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	80425