17413-1838 DON 858

17^h 41^m 18.92^s -18° 38' 28.2" P.A. 261.00 sep 2.6 mag 9.25,15.20 Sp Ap

Coord 2000	17413-1838	Discov num	DON 858	Comp		Coord arcsec 2000	17 41 18.92 -18 38 28.2
Date first	1932	Date last	2016	Obs	5
Pa first	263	Pa last	261.2	P.A. Now (θ)	261.2°
Sep first	1.8	Sep last	2.602	Sep. Now (ρ)	2.602"
Mag pri	9.25	Mag sec	15.20	delta mag (ΔM)	5.95	Spectral class	Ap (white)
Pri motion ra	-008	Sec motion ra
Pri motion dec	-010	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus		SAO	160745		Tycho2	6252-00149-1		Gaia DR2	4120193085185018240
HD	160544

WDS 17413-1838 DON 858 : 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
17413-1838	DON 858		1940	3	265	1.9	9.25	15.20	Ap		174118.92-183828.2
17413-1838	DON 858		2015	4	261	2.6	9.25	15.20	Ap		174118.92-183828.2
17413-1838	DON 858		2016	5	261	2.6	9.25	15.20	Ap		174118.92-183828.2

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

WDS 17413-1838 DON 858 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17413-1838 DON 858 : MEASURES

No records found.

WDS 17413-1838 : VIRTUAL EYEPIECE

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WDS 17413-1838 : ALADIN DSS IMAGE @ 17^h 41^m 18.92^s -18° 38' 28.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17413-1838 DON 858 : 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		17413-1838	DON 858		261	2.6
Show		17413-1839	SEE 336		94	3.5	1
Show		17405-1806	KPP 593		281	5.5	35
Show		17413-1757	HLD 138		272	2.2	42
Show		17424-1924	B 2413		198	11.2	49
Show		17420-1751	OCC 535		-1	0.1	49
Show		17384-1904	HLD 137		263	1.2	50
Show		17449-1839	A 2250		220	2.1	52
Show		17457-1832	A 2251		257	2.5	64
Show		17445-1751	ARA 262		70	9.9	67
Show		17399-1947	CON 31	AB	78	1.5	71
Show		17399-1947	CON 31	AC	31	1.6	71
Show		17399-1947	CON 31	AD	357	3.5	71
Show		17363-1850	DON 848		117	0.9	72
Show		17366-1814	ARA 447		223	9.5	73
Show		17460-1909	VVV 48		1	3.1	73
Show		17362-1837	ARA 446		227	5.5	73
Show		17369-1757	HDS2486		125	0.2	76
Show		17388-1722	ARA 261		79	12.5	85
Show		17362-1752	HDS2485	AB	93	0.8	87
Show		17362-1752	YSC 158	Aa,Ab	95	0.1	87
Show		17353-1815	DON 847		251	2.2	89
Show		17397-1712	LDS 607		49	14.5	90
Show		17425-2006	OCC 37		-1	0.1	90
Show		17475-1806	HU 186		317	1.0	94
Show		17358-1741	ARA 259		196	8.5	98
Show		17343-1846	KPP4044		4	1.8	100
Show		17375-2003	B 2412	CD	232	1.5	100
Show		17375-2003	HU 752	AB	328	2.6	101
Show		17375-2003	HU 752	AC	92	50.2	101
Show		17347-1805	KPP 656		282	5.9	101
Show		17486-1854	A 2252		219	3.7	106
Show		17406-1653	BRT 624		279	3.2	106
Show		17342-1910	B 1863	AB	98	0.1	107
Show		17342-1910	TOK 418	AC	137	0.2	107
Show		17367-1711	ARA 260		21	14.6	110
Show		17356-1954	B 1864		147	2.7	112
Show		17460-1706	ARA 263		42	12.2	114
Show		17418-2032	ARA1129		270	6.5	115
Show		17435-1649	HU 185		278	2.7	115
Show		17340-1750	TOK 793		291	0.8	116
Show		17425-1638	CRC 25	AB	123	8.9	122
Show		17425-1638	CRC 25	AC	276	3.2	122
Show		17333-1923	SZA 4		255	3.2	123
Show		17450-1646	VOU 42		311	0.2	125
Show		17394-2042	ARA1127		138	11.6	127
Show		17405-2045	DON 856		57	0.4	128
Show		17360-2025	BHA 19		225	6.0	130
Show		17324-1804	ARA 258		75	6.4	132
Show		17361-2030	ARA1126		24	15.2	134
Show		17371-1636	BHA 58		140	23.9	137

WDS 17413-1838 : COMPONENTS

	A
B	pa=260.7° sep=2.47"

17413-1838 A

Componente originario normalizzato	AB	Coord arcsec 2000	174118.92-183828.2	Mag	9.25	Spectral class	Ap (white)
PmRA	-8.00	PmDE	-10.0	SAO	160745	Tycho2	6252-00149-1
HD	160544	DM	BD-18 4618

Tycho2

Tycho2	6252-00149-1	Pflag		RAmdeg	265.32885036	DEmdeg	-18.64117467
PmRA	-4.5	PmDE	-13.1	E RAmdeg	17	E DEmdeg	20
E pmRA	1.5	E pmDE	1.5	EpRAm	1987.77	EpDEm	1986.16
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.8	Q pmRA	0.5
Q pmDE	0.8	BTmag	9.665	E BTmag	0.034	VTmag	9.251
E VTmag	0.030	Prox	439	TYC	T	HIP
CCDM		RAdeg	265.32886028	DEdeg	-18.64114306	EpRA 1990	1.75
EpDE 1990	1.74	E RAdeg	18.4	E DEdeg	22.1	Posflg
Corr	0.0

SAO

SAO	160745	DelFlag		RA1950		PmRA1950	-0.0024
DE1950		PmDE1950	-0.033	Vmag	8.7	SpType	A2
Double code		Source	22	CatNum	7250	DM	BD-18 4618
DMcomp		BDsup		HD	160544	M HD	0
GC		RA1950rad	4.61804458	DE1950rad	-0.32492256	PmRA2000	-0.0023
PmDE2000	-0.031

CCDM

Ccdm	17413-1838	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.71	DDEs	-29.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.7	Sp	A2	PmNote	*
PmRA	-34	PmDE	-33	Dm number	-18 4618	Cat1	BD
Name2	160745	Cat2	SAO	HD	160544	M HD
ADS BDS		M ADS BDS		N IDS		IDS	17354S1835A
HIC

17413-1838 B

Componente originario normalizzato	AB		Coord arcsec 2000	174118.75-183828.6		Mag	15.2		Calc delta mag	5.95
Calc coord	yes

CCDM

Ccdm	17413-1838	RComp		Comp	B	Note1
Note2		Discov num	DON 858	DRAs		DDEs
R dRAs		Year	1932	Theta	262	Rho	1.8
Obs	3	Vmag	14.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	17354S1835B
HIC