15368+3735 LDS 4572 (BK CrB)

15^h 36^m 50.34^s +37° 34' 49.4" P.A. 89.00 sep 15.3 mag 11.22,19.28 dist. 57.8 pc (188.54 l.y.)

Coord 2000	15368+3735	Discov num	LDS4572	Comp		Coord arcsec 2000	15 36 50.34 +37 34 49.4
Date first	1960	Date last	2015	Obs	2
Pa first	91	Pa last	89.3	P.A. Now (θ)	89.3°
Sep first	10.0	Sep last	15.278	Sep. Now (ρ)	15.278"
Mag pri	11.22	Mag sec	19.28	delta mag (ΔM)	8.06	Spectral class
Pri motion ra	-275	Sec motion ra	-275
Pri motion dec	-085	Sec motion dec	-085
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	BK CrB		Spectr	M2		Constellation	Corona Borealis		HIP	76452
Tycho2	3053-01858-1		Gaia DR2	1375548149394463616		Distance	57.8		Distance ly	188.54

WDS 15368+3735 LDS 4572 (BK CrB) : NOTES

discov_num	notes	refcode
LDS4572	NLTT 40716/40719	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	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
15368+3735	LDS4572		1960	1	91	10.0	11.22	19.28		N V	153650.34+373449.4
15368+3735	LDS4572		2015	2	89	15.3	11.22	19.28		N	153650.34+373449.4

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

WDS 15368+3735 LDS 4572 (BK CrB) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15368+3735 LDS 4572 (BK CrB) : MEASURES

No records found.

WDS 15368+3735 (BK CrB) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 15368+3735 (BK CrB) : ALADIN DSS IMAGE @ 15^h 36^m 50.34^s +37° 34' 49.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15368+3735 LDS 4572 (BK CrB) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		15368+3735	LDS4572		89	15.3
Show		15364+3723	HDS2195	Aa,Ab	63	0.1	14
Show		15364+3723	HU 1166	AB	143	4.2	14
Show		15364+3723	FOX 190	AC	271	59.6	14
Show		15371+3748	JNN 105		78	0.3	14
Show		15368+3717	KPP3294		119	1.3	18
Show		15355+3803	KPP3961		95	28.5	33
Show		15339+3755	BEU 20		99	0.8	41
Show		15373+3823	SLW1115		109	12.6	49
Show		15386+3826	ALI 862		244	6.3	56
Show		15338+3818	UC 210		211	68.5	57
Show		15317+3746	TDS9538		243	2.0	62
Show		15394+3638	STF1965		306	6.4	65
Show		15333+3827	HJ 2786		170	26.8	68
Show		15416+3816	KPP3965		198	2.5	71
Show		15415+3834	LDS4585		271	152.9	80
Show		15307+3810	HU 1163		178	0.3	81
Show		15382+3615	HU 1167	AB	80	1.4	82
Show		15382+3615	STF1964	AC	90	14.5	82
Show		15382+3615	STF1964	AD	83	15.1	82
Show		15382+3615	WAK 1	CE	82	0.2	82
Show		15382+3615	STF1964	CD	21	1.5	82
Show		15400+3851	CVR1642		218	3.5	85
Show		15346+3610	LDS4563		67	91.8	89
Show		15408+3853	LDS4582		260	22.1	91
Show		15348+3601	SLW1111		186	20.0	98
Show		15434+3834	SLW1129		20	88.3	98
Show		15317+3903	KZA 96		88	43.5	99
Show		15381+3918	SLW1120		36	14.3	105
Show		15344+3916	SKF1756		281	1.4	106
Show		15431+3614	CRB 111		119	24.4	110
Show		15448+3834	HJ 2791		129	11.3	112
Show		15282+3822	STF1947		26	6.8	113
Show		15362+3542	NSN 668		347	16.9	113
Show		15385+3929	CVR1638		163	3.1	116
Show		15422+3918	UC 3046		13	59.8	122
Show		15451+3850	SLW1132		103	114.0	124
Show		15280+3844	CVR1632		16	3.5	126
Show		15461+3840	KPP 707		320	6.3	128
Show		15311+3925	KZA 94		257	15.6	129
Show		15367+3954	KZA 105	HI	159	182.7	133
Show		15464+3627	STF1973		321	30.6	134
Show		15360+3948	STT 298	AB	191	1.2	134
Show		15360+3948	STT 298	AB,E	335	456.0	134
Show		15360+3948	STT 298	AB,C	328	120.4	134
Show		15360+3948	STT 298	AB,D	224	167.4	134
Show		15360+3948	STT 298	CE	337	335.8	136
Show		15367+3954	KZA 105	DF	194	212.3	137
Show		15367+3954	KZA 105	AB	73	88.2	139
Show		15367+3954	KZA 105	AC	119	133.7	139
Show		15367+3954	KZA 105	AD	157	164.4	139

WDS 15368+3735 : COMPONENTS

	A
B	pa=89.1° sep=12.11"

15368+3735 A

Componente originario normalizzato	AB	Name	BK CrB	Coord arcsec 2000	153650.34+373449.4	Mag	11.22
Spectral class	M2 (red)	PmRA	-275.00	PmDE	-85.0	HIP	76452
Tycho2	3053-01858-1

Tycho2

Tycho2	3053-01858-1	Pflag		RAmdeg	234.20978297	DEmdeg	37.58040410
PmRA	-275.0	PmDE	-84.7	E RAmdeg	39	E DEmdeg	34
E pmRA	3.5	E pmDE	3.3	EpRAm	1986.71	EpDEm	1985.54
Num	6	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.8	BTmag	13.199	E BTmag	0.305	VTmag	11.248
E VTmag	0.081	Prox	999	TYC		HIP	76452
CCDM		RAdeg	234.21060639	DEdeg	37.58061111	EpRA 1990	1.64
EpDE 1990	1.71	E RAdeg	67.3	E DEdeg	63.3	Posflg
Corr	-0.1

Hipparcos

Catalog	H	HIP	76452	Proxy		RAhms	15 36 50.55
DEdms	+37 34 50.2	Vmag	11.22	VarFlag		R Vmag	G
RAdeg	234.211	DEdeg	37.5806	AstroRef		Plx	18.21
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	1.61
SpType	M2	R SpType		Coord arcsec 2000	153650.55+373450.2

Hipparcos 2

HIP	76452	Sn	5	So	0	Nc	1
RArad	4.0877463409	DErad	0.6559052599	Plx	17.3	PmRA	-273.99
PmDE	-90.62	E RArad	1.24	E DErad	1.36	E Plx	1.77
E pmRA	1.65	E pmDE	1.72	Hpmag	11.2093	E Hpmag	0.0065
SHp	0.052	VA	0	BV	1.372	E BV	0.02
VI	1.61

CCDM

Ccdm	15368+3735	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.34	DDEs	-10.6
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	12.2	Sp		PmNote	*
PmRA	-260	PmDE	-80	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	15331N3755A
HIC	76452

15368+3735 B

Componente originario normalizzato	AB		Coord arcsec 2000	153651.36+373449.6		Mag	19.28		PmRA	-275.00
PmDE	-85.0		Calc delta mag	8.06		Calc coord	yes

CCDM

Ccdm	15368+3735	RComp		Comp	B	Note1
Note2		Discov num	LDS4572	DRAs		DDEs
R dRAs		Year	1960	Theta	91	Rho	10.0
Obs	1	Vmag	21.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	15331N3755B
HIC