15309+5609 WNO 23

15^h 30^m 55.56^s +56° 08' 56.2" P.A. 123.00 sep 8.6 mag 17.97,19.06

Coord 2000	15309+5609	Discov num	WNO 23	Comp		Coord arcsec 2000	15 30 55.56 +56 08 56.2
Date first	1954	Date last	2010	Obs	3
Pa first	165	Pa last	122.8	P.A. Now (θ)	122.8°
Sep first	6.3	Sep last	8.61	Sep. Now (ρ)	8.61"
Mag pri	17.97	Mag sec	19.06	delta mag (ΔM)	1.09	Spectral class
Pri motion ra	+546	Sec motion ra	+685
Pri motion dec	+388	Sec motion dec	+426
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.179 (< 0.3, Physical double)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Gaia DR2

1601470163672366976

WDS 15309+5609 WNO 23 : NOTES

discov_num	notes	refcode
WNO 23	aka USN 1.

REFERENCES

refcode	metd	author	reference
Wng1896A		(Washington Naval Observatory. See also Mkr2008)	2008ApJ...687..566M
Wng1896A		letters trailing each date on reference indicates different observers.
WNO1866a	Ma j	Eastman, J.R.	.
WNO1866a		Washington Observations, 1866
WNO1866b	Ma j	Tuttle, H.P., Paymaster, USN	.
WNO1866b		Washington Observations, 1866
WNO1868a	Ma j	Eastman, J.R.	1868AN.....70..383E
WNO1868a	+T	AN 70, 383, 1868
WNO1876c	Ma j	Watson, J.C.	.
WNO1876c		Washington Observations, 1876
WNO1876d	Ma j	Peters, C.H.F.	.
WNO1876d		Washington Observations, 1876
WNO1876h	Ma -	Watson, J.C.	1876AN.....88..131H
WNO1876h		AN 88, 131, 1876
WNO1876i	Ma -	Peters, C.H.F.	1876AN.....88..131H
WNO1876i		AN 88, 131, 1876
WNO1878a	T j	Eastman, J.R.	1878MNRAS.381..360E
WNO1878a		MNRAS 38, 360, 1878
WNO1880g	Ma -	Esmatt, Ibrahim	.
WNO1880g		Washington Observations, 1880
WNO1885a	T -	Paul, H.M. & Eastman, J.R.	.
WNO1885a		Washington Observations, 2nd Transit Circle Cat.,1885
WNO1885a		(rho, theta calculated from individual RA, DEC)
WNO1886f	Ma -	Allen, W.H.	.
WNO1886f		Washington Observations, 1886
WNO1887f	Ma -	Allen, W.H.	.
WNO1887f		Washington Observations, 1887

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15309+5609	WNO 23		1996	2	121	8.7	17.97	19.06		N	153055.56+560856.2
15309+5609	WNO 23		2010	3	123	7.4	17.97	19.06		NU	153055.56+560856.2

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

WDS 15309+5609 WNO 23 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15309+5609 WNO 23 : MEASURES

No records found.

WDS 15309+5609 : VIRTUAL EYEPIECE

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WDS 15309+5609 : ALADIN DSS IMAGE @ 15^h 30^m 55.56^s +56° 08' 56.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15309+5609 WNO 23 : 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		15309+5609	WNO 23		123	8.6	1
Show		15321+5628	DBR 247		282	5.8	22
Show		15324+5628	DBR 246		306	3.1	23
Show		15330+5527	GRV1113		80	13.5	47
Show		15324+5700	SLW1103		252	8.6	53
Show		15361+5531	A 1124		145	1.4	58
Show		15239+5610	VVO 14		248	68.0	59
Show		15266+5522	LDT 11		218	0.2	60
Show		15368+5531	STI2324		312	10.6	63
Show		15226+5604	DBR 245		220	1.8	70
Show		15337+5500	CVR1634		350	3.2	74
Show		15215+5618	STI2322		266	14.2	79
Show		15289+5727	BU 945	AB	101	40.2	80
Show		15289+5727	FOX 189	AC	19	65.5	80
Show		15289+5727	GIC 128	AD	132	185.4	80
Show		15266+5454	STF1948		47	12.8	84
Show		15225+5516	HU 148		207	1.7	89
Show		15416+5613	STI2326		156	14.2	90
Show		15411+5541	TDS 784		329	1.2	90
Show		15384+5717	CVR1637		5	3.2	92
Show		15251+5730	CRB 195		349	32.9	95
Show		15301+5746	UC 3015		116	44.7	98
Show		15206+5520	KPP4384	BC	250	8.2	100
Show		15206+5520	HJ 2779	AB	348	10.1	100
Show		15206+5520	KPP4384	AC	309	12.9	100
Show		15360+5438	CHR 47	Aa,Ab	196	0.5	101
Show		15360+5438	DRS 16	AB	350	9.6	101
Show		15389+5728	STTA141	AB	204	88.0	103
Show		15389+5728	STTA141	AC	335	234.1	103
Show		15389+5728	STTA141	AD	154	35.2	103
Show		15206+5508	CBL 486		101	17.2	107
Show		15428+5530	STI2327		236	8.5	108
Show		15375+5431	YSC 57		43	0.9	114
Show		15173+5701	CVR1625		328	4.2	124
Show		15160+5555	CVR 780		127	13.7	126
Show		15246+5413	HU 149		271	0.7	129
Show		15389+5420	CVR1639		80	5.1	129
Show		15376+5806	SHN 203		-1	0.3	130
Show		15160+5652	CBL 484		340	12.1	131
Show		15456+5659	CVR 169		31	8.6	132
Show		15290+5820	GRV1112		60	21.5	133
Show		15384+5809	TDS9573		11	1.0	136
Show		15156+5527	WZ 13		15	9.0	137
Show		15391+5812	LDS2725		275	6.1	140
Show		15262+5824	LDS2719		80	8.1	142
Show		15224+5408	SLW9006		181	27.9	142
Show		15370+5824	MLB 71		288	4.0	144
Show		15392+5403	NSN 57		8	4.8	145
Show		15485+5606	NSN 671		129	3.3	147
Show		15476+5523	BU 946		129	2.3	149
Show		15130+5603	STT 294		245	3.4	151

WDS 15309+5609 : COMPONENTS

	A
B	pa=139.2° sep=6.16"

15309+5609 A

Componente originario normalizzato	AB		Coord arcsec 2000	153055.56+560856.2		Mag	17.97		PmRA	546.00
PmDE	388.0

15309+5609 B

Componente originario normalizzato	AB		Coord arcsec 2000	153056.04+560851.5		Mag	19.06		PmRA	685.00
PmDE	426.0		Calc delta mag	1.09		Calc coord	yes