15415+3834 LDS 4585 (RR CrB)

15^h 41^m 26.21^s +38° 33' 26.9" P.A. 271.00 sep 152.9 mag 7.89,16.00 Sp M6 dist. 341.3 pc (1113.32 l.y.)

Coord 2000	15415+3834	Discov num	LDS4585	Comp		Coord arcsec 2000	15 41 26.21 +38 33 26.9
Date first	1960	Date last	2014	Obs	8
Pa first	274	Pa last	270.9	P.A. Now (θ)	270.9°
Sep first	155.0	Sep last	152.909	Sep. Now (ρ)	152.909"
Mag pri	7.89	Mag sec	16.00	delta mag (ΔM)	8.11	Spectral class	M6 (red)
Pri motion ra	+055	Sec motion ra
Pri motion dec	-174	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	RR CrB	Constellation	Corona Borealis	SAO	64848	HIP	76844
Tycho2	3053-01035-1	Gaia DR2	1377195973726547200	HD	140297	GC	21108
BD	BD+39 2901	Distance	341.3	Distance ly	1113.32

WDS 15415+3834 LDS 4585 (RR CrB) : 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
15415+3834	LDS4585		1960	1	274	155.0	8.50	16.00			154126.21+383326.9
15415+3834	LDS4585		2013	6	271	153.8	8.50	16.00	M6		154126.21+383326.9
15415+3834	LDS4585		2014	7	271	152.9	7.89	16.00	M6		154126.21+383326.9

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

WDS 15415+3834 LDS 4585 (RR CrB) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15415+3834 LDS 4585 (RR CrB) : MEASURES

No records found.

WDS 15415+3834 (RR CrB) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 15415+3834 (RR CrB) : ALADIN DSS IMAGE @ 15^h 41^m 26.21^s +38° 33' 26.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15415+3834 LDS 4585 (RR CrB) : 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		15415+3834	LDS4585		271	152.9	1
Show		15416+3816	KPP3965		198	2.5	18
Show		15408+3853	LDS4582		260	22.1	21
Show		15434+3834	SLW1129		20	88.3	24
Show		15400+3851	CVR1642		218	3.5	25
Show		15386+3826	ALI 862		244	6.3	35
Show		15448+3834	HJ 2791		129	11.3	40
Show		15422+3918	UC 3046		13	59.8	46
Show		15451+3850	SLW1132		103	114.0	47
Show		15373+3823	SLW1115		109	12.6	50
Show		15461+3840	KPP 707		320	6.3	56
Show		15381+3918	SLW1120		36	14.3	60
Show		15385+3929	CVR1638		163	3.1	66
Show		15371+3748	JNN 105		78	0.3	69
Show		15461+3914	OSO 66		36	5.4	69
Show		15355+3803	KPP3961		95	28.5	77
Show		15444+3942	A 1635		217	1.7	77
Show		15477+3902	TDS 788		355	2.2	79
Show		15368+3735	LDS4572		89	15.3	80
Show		15469+3928	SLW1137		114	22.9	85
Show		15402+3959	UC 3039		336	33.6	87
Show		15367+3954	KZA 105	HI	159	182.7	89
Show		15338+3818	UC 210		211	68.5	92
Show		15364+3723	HDS2195	Aa,Ab	63	0.1	93
Show		15364+3723	HU 1166	AB	143	4.2	93
Show		15364+3723	FOX 190	AC	271	59.6	93
Show		15344+3916	SKF1756		281	1.4	93
Show		15368+3717	KPP3294		119	1.3	94
Show		15367+3954	KZA 105	DF	194	212.3	95
Show		15333+3827	HJ 2786		170	26.8	96
Show		15339+3755	BEU 20		99	0.8	97
Show		15367+3954	KZA 105	AB	73	88.2	98
Show		15367+3954	KZA 105	AC	119	133.7	98
Show		15367+3954	KZA 105	AD	157	164.4	98
Show		15367+3954	KZA 105	AE	132	268.1	98
Show		15367+3954	KZA 105	AG	160	514.8	98
Show		15367+3954	KZA 105	AH	135	535.2	98
Show		15367+3954	KZA 105	AF	178	356.9	98
Show		15367+3954	KZA 105	AI	141	705.2	98
Show		15360+3948	STT 298	AB	191	1.2	98
Show		15360+3948	STT 298	AB,E	335	456.0	98
Show		15360+3948	STT 298	AB,C	328	120.4	98
Show		15360+3948	STT 298	AB,D	224	167.4	98
Show		15484+3931	COU1446	AB	357	2.2	99
Show		15484+3931	COU1446	AC	159	7.8	99
Show		15360+3948	STT 298	CE	337	335.8	100
Show		15433+4024	BVD 244		316	36.8	113
Show		15317+3903	KZA 96		88	43.5	115
Show		15512+3836	COU1447		297	2.3	115
Show		15394+3638	STF1965		306	6.4	118
Show		15393+4030	CVR1641		129	3.8	119

WDS 15415+3834 : COMPONENTS

	A
B	pa=271.2° sep=119.58"

15415+3834 A

Componente originario normalizzato	AB	Name	RR CrB	Coord arcsec 2000	154126.21+383326.9	Mag	7.89
Spectral class	M6 (red)	PmRA	55.00	PmDE	-174.0	SAO	64848
HIP	76844	Tycho2	3053-01035-1	HD	140297	GC	21108
BD	BD+39 2901

Tycho2

Tycho2	3053-01035-1	Pflag		RAmdeg	235.35928756	DEmdeg	38.55739317
PmRA	20.9	PmDE	-31.1	E RAmdeg	6	E DEmdeg	5
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.28	EpDEm	1991.49
Num	11	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.3
Q pmDE	0.9	BTmag	9.405	E BTmag	0.018	VTmag	7.887
E VTmag	0.011	Prox	999	TYC	T	HIP	76844
CCDM		RAdeg	235.35922639	DEdeg	38.55746444	EpRA 1990	1.68
EpDE 1990	1.77	E RAdeg	5.6	E DEdeg	5.2	Posflg
Corr	0.0

SAO

SAO	64848	DelFlag		RA1950		PmRA1950	0.0013
DE1950		PmDE1950	-0.035	Vmag	7.2	SpType	Mb
Double code		Source	70	CatNum	21108	DM	BD+39 2901
DMcomp		BDsup		HD	140297	M HD	0
GC	21108	RA1950rad	4.09979045	DE1950rad	0.6757383	PmRA2000	0.0017
PmDE2000	-0.032

Hipparcos

Catalog	H	HIP	76844	Proxy		RAhms	15 41 26.21
DEdms	+38 33 26.9	Vmag	7.64	VarFlag	2	R Vmag	H
RAdeg	235.359	DEdeg	38.5575	AstroRef		Plx	3.67
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	140297	BD	BD+39 2901
CD		CP		Dm number	+39 2901	VIred	4.36
SpType	M5	R SpType		Coord arcsec 2000	154126.21+383326.9

Hipparcos 2

HIP	76844	Sn	5	So	0	Nc	1
RArad	4.107793393	DErad	0.6729547427	Plx	2.93	PmRA	20.24
PmDE	-32.44	E RArad	0.39	E DErad	0.46	E Plx	0.53
E pmRA	0.42	E pmDE	0.55	Hpmag	7.3973	E Hpmag	0.0177
SHp	0.179	VA	1	BV	1.313	E BV	0.015
VI	3.38

15415+3834 B

Componente originario normalizzato	AB		Coord arcsec 2000	154116.02+383329.3		Mag	16		Calc delta mag	8.11
Calc coord	yes