17210-4206 HDS 2450

17^h 21^m 02.32^s -42° 06' 08.5" P.A. 31.00 sep 0.7 mag 8.80,12.99 Sp B9III/IV dist. 324.68 pc (1059.11 l.y.)

Coord 2000	17210-4206	Discov num	HDS2450	Comp		Coord arcsec 2000	17 21 02.32 -42 06 08.5
Date first	1991	Date last	2021	Obs	2
Pa first	31	Pa last	31.3	P.A. Now (θ)	31.3°
Sep first	0.7	Sep last	0.732	Sep. Now (ρ)	0.732"
Mag pri	8.80	Mag sec	12.99	delta mag (ΔM)	4.19	Spectral class	B9III/IV (blue-white)
Pri motion ra	+005	Sec motion ra
Pri motion dec	-003	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Scorpius	SAO	227850	HIP	84897	Tycho2	7891-01668-1
Gaia DR2	5959518675185698944	HD	156706	CD	CD-4111502	CP	CP-41 7949
Distance	324.68	Distance ly	1059.11

WDS 17210-4206 HDS 2450 : 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
17210-4206	HDS2450		1991	1	31	0.7	8.80	12.99	B9III/IV		172102.32-420608.5
17210-4206	HDS2450		2021	2	31	0.7	8.80	12.99	B9III/IV		172102.32-420608.5

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

WDS 17210-4206 HDS 2450 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17210-4206 HDS 2450 : MEASURES

No records found.

WDS 17210-4206 : VIRTUAL EYEPIECE

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WDS 17210-4206 : ALADIN DSS IMAGE @ 17^h 21^m 02.32^s -42° 06' 08.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17210-4206 HDS 2450 : 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		17210-4206	HDS2450		31	0.7
Show		17215-4154	BRT 960		231	2.4	14
Show		17212-4133	I 1315		289	1.0	33
Show		17208-4240	I 410		279	2.9	34
Show		17192-4129	RST1950		280	1.4	42
Show		17186-4128	KPP 395		181	4.9	47
Show		17173-4140	CPO 73		313	18.6	50
Show		17188-4254	SNA 68		20	6.4	54
Show		17163-4220	I 408		178	1.7	55
Show		17204-4111	HDS2449		240	7.0	56
Show		17184-4256	TDS 861		354	1.7	59
Show		17164-4240	FGS 28		-1	-1.0	62
Show		17270-4208	BRT 970		247	3.3	67
Show		17259-4251	BRT 966		96	2.9	71
Show		17260-4118	TDS 866		308	1.1	74
Show		17210-4048	VVV 40		315	5.2	79
Show		17280-4227	KPP3006		245	2.6	80
Show		17276-4119	I 1321		137	0.5	88
Show		17288-4140	RSS 443		147	6.7	91
Show		17288-4233	RSS 444		203	9.4	91
Show		17299-4214	B 1860		197	0.8	100
Show		17296-4236	B 1859		317	0.2	100
Show		17118-4200	CPO 72	AB	30	11.5	103
Show		17208-4023	RSS 438		160	5.8	103
Show		17212-4022	RST1952		177	0.6	104
Show		17300-4134	RST1961		301	0.5	105
Show		17224-4022	BRT 962		273	3.6	106
Show		17253-4032	SKF1054		24	67.3	106
Show		17204-4352	TDT 313		96	1.3	107
Show		17242-4348	HU 1523		266	7.4	108
Show		17165-4030	RST1946		220	1.4	109
Show		17253-4028	TDT 342		257	0.5	109
Show		17145-4329	DON 829		348	1.8	111
Show		17227-4012	WG 205		9	8.1	116
Show		17315-4156	I 1324		37	1.5	117
Show		17315-4157	BRT 978		37	5.3	118
Show		17304-4301	TDT 389	Aa,Ab	160	1.6	118
Show		17304-4301	CPO 76	AB	340	4.8	118
Show		17304-4301	DAM 25	AB,C	144	7.7	118
Show		17259-4352	TDT 346		94	0.4	119
Show		17122-4314	GAT 21		129	591.8	120
Show		17287-4041	WG 208		235	8.1	121
Show		17118-4314	I 587		143	5.5	123
Show		17283-4032	WG 207	BC	47	5.9	125
Show		17283-4032	WG 207	AB	190	24.4	125
Show		17306-4314	B 2410		272	13.5	125
Show		17123-4330	SKF1413		198	6.9	128
Show		17194-4413	HDO 269		233	0.1	129
Show		17260-4403	DON 837		328	3.8	130
Show		17303-4049	CPO 530		316	4.7	131
Show		17316-4111	RST1963		53	0.2	132

WDS 17210-4206 : COMPONENTS

	A
B	pa=24.3° sep=0.69"

17210-4206 A

Componente originario normalizzato	AB	Coord arcsec 2000	172102.32-420608.5	Mag	8.8	Spectral class	B9III/IV (blue-white)
PmRA	5.00	PmDE	-3.0	SAO	227850	HIP	84897
Tycho2	7891-01668-1	HD	156706	CD	CD-4111502	CP	CP-41 7949

Tycho2

Tycho2	7891-01668-1	Pflag		RAmdeg	260.25966147	DEmdeg	-42.10235783
PmRA	1.0	PmDE	-2.1	E RAmdeg	8	E DEmdeg	11
E pmRA	1.1	E pmDE	1.1	EpRAm	1990.53	EpDEm	1989.27
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.6	Q pmRA	0.5
Q pmDE	0.6	BTmag	8.980	E BTmag	0.019	VTmag	8.754
E VTmag	0.017	Prox	999	TYC	T	HIP	84897
CCDM	AB	RAdeg	260.25965833	DEdeg	-42.10235306	EpRA 1990	1.74
EpDE 1990	1.52	E RAdeg	7.7	E DEdeg	10.5	Posflg
Corr	0.0

SAO

SAO	227850	DelFlag		RA1950		PmRA1950	0.001
DE1950		PmDE1950	-0.024	Vmag	8.7	SpType	B9
Double code		Source	48	CatNum	16045	DM	CP-41 7949
DMcomp		BDsup		HD	156706	M HD	0
GC		RA1950rad	4.5268859	DE1950rad	-0.73396981	PmRA2000	0.001
PmDE2000	-0.024

Hipparcos

Catalog	H	HIP	84897	Proxy	H	RAhms	17 21 02.32
DEdms	-42 06 08.5	Vmag	8.71	VarFlag		R Vmag	H
RAdeg	260.26	DEdeg	-42.1024	AstroRef	A	Plx	2.38
CCDM	17210-4206	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	C	M HIP	AB
Theta	31	Rho	0.725	HD	156706	BD
CD	CD-4111502	CP	CP-41 7949	Dm number	-4111502	VIred	0.16
SpType	B9III/IV	R SpType		Coord arcsec 2000	172102.32-420608.5

Hipparcos 2

HIP	84897	Sn	15	So	3	Nc	2
RArad	4.5423879827	DErad	-0.7348247621	Plx	3.08	PmRA	4.36
PmDE	-1.54	E RArad	1.31	E DErad	0.66	E Plx	1.39
E pmRA	1.6	E pmDE	0.66	Hpmag	8.775	E Hpmag	0.0023
SHp	0.015	VA	0	BV	0.217	E BV	0.023
VI	0.24

CCDM

Ccdm	17210-4206	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.32	DDEs	-8.5
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.8	Sp	B9	PmNote	*
PmRA	5	PmDE	-3	Dm number	-4111502	Cat1	CD
Name2	227850	Cat2	SAO	HD	156706	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	84897

17210-4206 B

Componente originario normalizzato	AB		Coord arcsec 2000	172102.35-420607.9		Mag	12.99		Calc delta mag	4.19
Calc coord	yes

CCDM

Ccdm	17210-4206	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.36	DDEs	-7.9
R dRAs	82	Year	1991	Theta	31	Rho	0.7
Obs	1	Vmag	13.0	Sp		PmNote	*
PmRA	5	PmDE	-3	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	84897