17420-4401 DON 857

17^h 41^m 57.26^s -44° 01' 17.2" P.A. 44.00 sep 0.9 mag 10.46,10.79 Sp G2 dist. 70.57 pc (230.2 l.y.)

Coord 2000	17420-4401	Discov num	DON 857	Comp		Coord arcsec 2000	17 41 57.26 -44 01 17.2
Date first	1930	Date last	2016	Obs	6
Pa first	48	Pa last	44	P.A. Now (θ)	44°
Sep first	0.6	Sep last	0.873	Sep. Now (ρ)	0.873"
Mag pri	10.46	Mag sec	10.79	delta mag (ΔM)	0.33	Spectral class	G2 (yellow)
Pri motion ra	+016	Sec motion ra	+016
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Scorpius		HIP	86615		Tycho2	7897-00759-1		Gaia DR2	5955732468218114432
CD	CD-4311933		CP	CP-43 8211		Distance	70.57		Distance ly	230.2

WDS 17420-4401 DON 857 : 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
17420-4401	DON 857		1991	5	55	0.9	10.46	10.79	G2		174157.26-440117.2
17420-4401	DON 857		2016	6	44	0.9	10.46	10.79	G2		174157.26-440117.2

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

WDS 17420-4401 DON 857 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17420-4401 DON 857 : MEASURES

No records found.

WDS 17420-4401 : VIRTUAL EYEPIECE

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WDS 17420-4401 : ALADIN DSS IMAGE @ 17^h 41^m 57.26^s -44° 01' 17.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17420-4401 DON 857 : 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		17420-4401	DON 857		44	0.9
Show		17405-4352	DON 854	AB	122	7.3	19
Show		17405-4352	COO 217	AC	203	15.5	19
Show		17447-4415	RSS 460		358	14.9	33
Show		17388-4406	I 1331		58	1.3	35
Show		17456-4403	DON 861		340	5.7	40
Show		17454-4423	TDT 490		18	0.9	44
Show		17437-4442	BRT 989		17	3.1	45
Show		17431-4446	I 1335		57	3.0	47
Show		17426-4312	BRT 988		305	4.1	50
Show		17427-4451	DON 859		218	0.9	51
Show		17371-4419	WDK 3		190	0.2	56
Show		17408-4457	TDS 877		313	1.3	58
Show		17395-4454	DON 853		197	0.3	59
Show		17363-4357	BRT 983		135	3.1	62
Show		17390-4309	MOC 13	AB	222	3.6	62
Show		17390-4309	MOC 13	AC	328	4.8	62
Show		17390-4309	MOC 13	AD	145	5.9	62
Show		17390-4309	MOC 13	AE	128	6.5	62
Show		17366-4338	DON 846		122	3.4	63
Show		17470-4330	COO 220		331	13.0	63
Show		17363-4344	DON 845		167	0.3	64
Show		17466-4320	CPO 552		178	3.0	66
Show		17452-4458	BRT 990	BC	20	4.2	67
Show		17452-4458	BRT 990	AB	292	4.4	67
Show		17482-4404	DON 865	AB	55	2.5	67
Show		17482-4404	CPO 555	AC	54	9.1	67
Show		17477-4329	DON 864		179	0.5	71
Show		17479-4433	RST5442		105	0.6	71
Show		17459-4500	DON 862		186	2.0	73
Show		17383-4259	DON 849		178	1.6	75
Show		17450-4511	HJ 4973		24	14.0	77
Show		17390-4251	SKF1417		328	2.2	77
Show		17396-4246	CPO 544		327	5.4	80
Show	Sargas	17373-4300	SEE 510	AB	315	6.5	80
Show		17373-4300	SEE 510	Aa,Ab	98	0.2	80
Show		17484-4322	BRT 996		224	5.6	80
Show		17383-4513	HDS2491		247	0.5	82
Show		17375-4255	CPO 537		72	6.7	83
Show		17447-4244	FIN 341		226	0.0	84
Show		17499-4405	KPP3005		254	19.9	86
Show		17339-4405	SEE 333		295	15.8	88
Show		17376-4516	CPO 539		216	5.5	88
Show		17340-4421	RST5435		325	1.1	89
Show		17497-4335	RSS 463		146	21.5	89
Show		17410-4530	DON 855		265	0.4	90
Show		17374-4519	BRT 985		96	4.0	92
Show		17335-4413	BRT 980		127	5.6	93
Show		17486-4502	CPO 77		324	4.0	94
Show		17466-4241	BRT 994		92	3.6	95
Show		17388-4532	B 2841		44	5.5	97

WDS 17420-4401 : COMPONENTS

	A
B	pa=34.8° sep=0.76"

17420-4401 A

Componente originario normalizzato	AB		Coord arcsec 2000	174157.26-440117.2		Mag	10.46		Spectral class	G2 (yellow)
PmRA	16.00		PmDE	1.0		Tycho2	7897-00759-1

Tycho2

Tycho2	7897-00759-1	Pflag	P	RAmdeg	265.48857362	DEmdeg	-44.02145227
PmRA	16.2	PmDE	1.3	E RAmdeg	40	E DEmdeg	45
E pmRA	2.0	E pmDE	1.9	EpRAm	1987.02	EpDEm	1984.22
Num	4	Q RAmdeg	0.2	Q DEmdeg	0.2	Q pmRA	0.2
Q pmDE	0.2	BTmag	11.018	E BTmag	0.070	VTmag	10.461
E VTmag	0.062	Prox	9	TYC	T	HIP
CCDM		RAdeg	265.48839111	DEdeg	-44.02152056	EpRA 1990	1.62
EpDE 1990	1.42	E RAdeg	41.0	E DEdeg	47.0	Posflg	D
Corr	0.0

17420-4401 B

Componente originario normalizzato	AB	Coord arcsec 2000	174157.30-440116.6	Mag	10.79	PmRA	16.00
PmDE	1.0	HIP	86615	Tycho2	7897-00759-2	CD	CD-4311933
CP	CP-43 8211	Calc delta mag	0.33	Calc coord	yes

Tycho2

Tycho2	7897-00759-2	Pflag	P	RAmdeg	265.48857362	DEmdeg	-44.02145227
PmRA	16.2	PmDE	1.3	E RAmdeg	40	E DEmdeg	45
E pmRA	2.0	E pmDE	1.9	EpRAm	1987.02	EpDEm	1984.22
Num	4	Q RAmdeg	0.2	Q DEmdeg	0.2	Q pmRA	0.2
Q pmDE	0.2	BTmag	11.075	E BTmag	0.070	VTmag	10.787
E VTmag	0.087	Prox	9	TYC	T	HIP	86615
CCDM		RAdeg	265.48866639	DEdeg	-44.02138250	EpRA 1990	1.62
EpDE 1990	1.42	E RAdeg	46.2	E DEdeg	53.0	Posflg	D
Corr	0.0

Hipparcos

Catalog	H	HIP	86615	Proxy		RAhms	17 41 57.29
DEdms	-44 01 16.9	Vmag	9.83	VarFlag		R Vmag	H
RAdeg	265.489	DEdeg	-44.0214	AstroRef		Plx	16.08
CCDM	17419-4401	N CCDM	I	Nsys	1	Ncomp	1
MultFlag	X	Source		Qual	S	M HIP
Theta		Rho		HD		BD
CD	CD-4311933	CP	CP-43 8211	Dm number	-4311933	VIred	0.75
SpType	G2	R SpType		Coord arcsec 2000	174157.29-440116.9

Hipparcos 2

HIP	86615	Sn	1	So	2	Nc	1
RArad	4.6336522311	DErad	-0.768317783	Plx	14.17	PmRA	-19.48
PmDE	70.96	E RArad	18.17	E DErad	14.5	E Plx	20.11
E pmRA	23.85	E pmDE	18.56	Hpmag	9.9041	E Hpmag	0.0034
SHp	0.028	VA	0	BV	0.345	E BV	0.094
VI	0.4