09308+4817 LDS 3900

09^h 30^m 46.71^s +48° 16' 24.5" P.A. 174.00 sep 127.5 mag 11.30,17.90 Sp sdO dist. 162.6 pc (530.4 l.y.)

Coord 2000	09308+4817	Discov num	LDS3900	Comp		Coord arcsec 2000	09 30 46.71 +48 16 24.5
Date first	1960	Date last	2016	Obs	8
Pa first	175	Pa last	174.1	P.A. Now (θ)	174.1°
Sep first	127.0	Sep last	127.518	Sep. Now (ρ)	127.518"
Mag pri	11.30	Mag sec	17.90	delta mag (ΔM)	6.6	Spectral class	sdO
Pri motion ra	+132	Sec motion ra
Pri motion dec	-090	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ursa Major		HIP	46659		Tycho2	3429-01180-1		Gaia DR2	825628714431805056
BD	BD+48 1777		Distance	162.6		Distance ly	530.4

WDS 09308+4817 LDS 3900 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (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
09308+4817	LDS3900		1998	2	174	127.6	11.30	17.90		D	093046.71+481624.5
09308+4817	LDS3900		2010	3	174	127.7	11.30	17.90	sdO		093046.71+481624.5
09308+4817	LDS3900		2015	6	174	127.5	11.30	17.90	sdO		093046.71+481624.5
09308+4817	LDS3900		2016	8	174	127.5	11.30	17.90	sdO		093046.71+481624.5

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

WDS 09308+4817 LDS 3900 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 09308+4817 LDS 3900 : MEASURES

No records found.

WDS 09308+4817 : VIRTUAL EYEPIECE

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WDS 09308+4817 : ALADIN DSS IMAGE @ 09^h 30^m 46.71^s +48° 16' 24.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 09308+4817 LDS 3900 : 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		09308+4817	LDS3900		174	127.5
Show		09289+4751	CVR 533		332	7.9	32
Show		09346+4818	HDS1380		299	0.8	39
Show		09284+4847	UC 133		33	57.8	39
Show		09307+4856	TDS6614		202	0.5	40
Show		09245+4827	STJ 108		220	1.3	64
Show		09242+4756	ES 912		121	11.9	69
Show		09378+4800	HDS1386		357	0.7	73
Show		09354+4719	COU2501		218	1.7	75
Show		09243+4739	TDS6538		42	1.8	75
Show		09383+4826	DAM1676		62	5.8	76
Show		09383+4827	OSO 28		62	5.8	76
Show		09344+4704	COU2500		231	0.9	81
Show		09388+4748	TDS6715		325	0.6	86
Show		09373+4720	TDS6692		164	0.6	87
Show		09372+4656	TDS6691	AB	291	0.5	104
Show		09269+4953	STJ 112		358	1.1	105
Show		09370+4653	DAM1667	AC	119	4.9	105
Show		09200+4839	UC 132		325	19.1	110
Show		09225+4933	STF1340	AB	319	6.3	112
Show		09225+4933	STF1340	AC	83	135.9	112
Show		09357+5004	HU 565		3	2.0	119
Show		09427+4826	HDS1399		196	0.4	120
Show		09424+4847	KPP3222		71	13.4	120
Show		09229+4647	KPP3219		24	3.6	121
Show		09370+5002	TDS6688	Aa,Ab	293	0.5	122
Show		09370+5002	ES 719	AB	257	4.8	122
Show		09257+4626	LDS3889		284	7.8	122
Show		09372+5001	CVR 536		286	9.3	123
Show		09422+4921	ES 600		63	4.5	130
Show		09307+4604	A 1764		106	0.1	133
Show		09421+4703	DAM1702		10	2.3	136
Show		09340+4604	TDS6653		288	0.8	137
Show		09425+4707	DAM1706		107	2.8	138
Show		09445+4830	HJ 2503		158	37.0	138
Show		09428+4708	TDS6760		284	0.6	140
Show		09322+4557	TDS6633		126	0.6	141
Show		09252+4606	HDS1353		167	0.4	143
Show		09438+4717	TDS6770		169	1.9	144
Show		09434+4931	TDS6766		325	0.4	146
Show		09425+4653	UC 1824		326	17.6	146
Show		09168+4731	HJ 2488		238	10.2	148
Show		09224+4616	A 1758		308	0.6	148
Show		09266+4547	CBL 278		259	13.4	156
Show		09167+4709	LDS3867		276	441.3	158
Show		09379+4554	A 1765		3	0.2	160
Show		09227+5036	STF1341		89	20.5	161
Show		09470+4823	TDS6806		312	1.7	162
Show	Intercrus	09287+4536	S 598	AB	160	69.7	162
Show	Intercrus	09287+4536	S 598	AC	73	83.7	162
Show		09469+4759	CVR1240		85	3.5	163

WDS 09308+4817 : COMPONENTS

	A
B	pa=176.1° sep=127.14"

09308+4817 A

Componente originario normalizzato	AB	Coord arcsec 2000	093046.71+481624.5	Mag	11.3	Spectral class	sdO
PmRA	132.00	PmDE	-90.0	HIP	46659	Tycho2	3429-01180-1
BD	BD+48 1777

Tycho2

Tycho2	3429-01180-1	Pflag		RAmdeg	142.69493578	DEmdeg	48.27326681
PmRA	83.5	PmDE	-85.9	E RAmdeg	15	E DEmdeg	18
E pmRA	1.3	E pmDE	1.3	EpRAm	1989.83	EpDEm	1988.09
Num	6	Q RAmdeg	2.1	Q DEmdeg	2.1	Q pmRA	2.1
Q pmDE	2.1	BTmag	10.329	E BTmag	0.027	VTmag	10.619
E VTmag	0.041	Prox	999	TYC	T	HIP	46659
CCDM		RAdeg	142.69464861	DEdeg	48.27347278	EpRA 1990	1.76
EpDE 1990	1.41	E RAdeg	15.5	E DEdeg	20.1	Posflg
Corr	0.1

Hipparcos

Catalog	H	HIP	46659	Proxy		RAhms	09 30 46.71
DEdms	+48 16 24.5	Vmag	10.74	VarFlag		R Vmag	G
RAdeg	142.695	DEdeg	48.2735	AstroRef		Plx	6.17
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD	BD+48 1777
CD		CP		Dm number	+48 1777	VIred	-0.34
SpType	sdO:	R SpType		Coord arcsec 2000	093046.71+481624.5

Hipparcos 2

HIP	46659	Sn	5	So	0	Nc	1
RArad	2.490490992	DErad	0.8425310496	Plx	6.15	PmRA	82.75
PmDE	-84.19	E RArad	1.25	E DErad	0.82	E Plx	1.75
E pmRA	1.34	E pmDE	0.79	Hpmag	10.6037	E Hpmag	0.0031
SHp	0.028	VA	0	BV	-0.309	E BV	0.01
VI	-0.34

09308+4817 B

Componente originario normalizzato	AB		Coord arcsec 2000	093047.58+481417.7		Mag	17.9		Calc delta mag	6.6
Calc coord	yes