16231+3650 LDS 4662

16^h 23^m 04.90^s +36° 50' 31.6" P.A. 72.00 sep 54.9 mag 10.71,17.26 Sp K3+M4 dist. 63.65 pc (207.63 l.y.)

Coord 2000	16231+3650	Discov num	LDS4662	Comp		Coord arcsec 2000	16 23 04.90 +36 50 31.6
Date first	1960	Date last	2016	Obs	12
Pa first	72	Pa last	71.7	P.A. Now (θ)	71.7°
Sep first	55.0	Sep last	54.918	Sep. Now (ρ)	54.918"
Mag pri	10.71	Mag sec	17.26	delta mag (ΔM)	6.55	Spectral class	K3+M4 (yellow-orange/red)
Pri motion ra	-180	Sec motion ra	-182
Pri motion dec	+152	Sec motion dec	+146
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.027 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Corona Borealis		HIP	80258		Tycho2	2586-01760-1		Gaia DR2	1330426837890280192
Distance	63.65		Distance ly	207.63

WDS 16231+3650 LDS 4662 : NOTES

discov_num	notes	refcode
LDS4662	NLTT 42674/42677	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
16231+3650	LDS4662		2000	3	72	55.0	10.71	17.26		DV	162304.90+365031.6
16231+3650	LDS4662		2010	4	72	54.9	10.71	17.26	K3+M4	NV	162304.90+365031.6
16231+3650	LDS4662		2015	6	72	54.9	10.71	17.26	K3+M4	NV	162304.90+365031.6
16231+3650	LDS4662		2016	12	72	54.9	10.71	17.26	K3+M4	NV	162304.90+365031.6

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

WDS 16231+3650 LDS 4662 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16231+3650 LDS 4662 : MEASURES

No records found.

WDS 16231+3650 : VIRTUAL EYEPIECE

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

WDS 16231+3650 : ALADIN DSS IMAGE @ 16^h 23^m 04.90^s +36° 50' 31.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16231+3650 LDS 4662 : 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		16231+3650	LDS4662		72	54.9
Show		16242+3702	STF2044		340	8.4	18
Show		16246+3632	HO 405	AB	343	4.2	27
Show		16246+3632	HO 405	AC	339	13.0	27
Show		16216+3631	COU 982		247	0.4	27
Show		16240+3716	SLW1177		176	20.2	28
Show		16255+3645	KPP2113		281	17.1	30
Show		16205+3640	WAA 47		82	1.6	34
Show		16242+3616	CVR1665		107	4.2	37
Show		16254+3724	CHR 55		133	0.1	44
Show		16270+3708	COU1139		297	1.6	51
Show		16273+3626	KU 112		276	57.2	57
Show		16280+3659	KPP2428		252	21.2	60
Show		16193+3612	KPP3996		314	2.0	60
Show		16199+3600	COU 981		132	1.1	64
Show		16202+3557	SLW1172		2	157.3	64
Show		16254+3755	STT 310		223	3.1	70
Show		16287+3714	COU1140		354	0.8	71
Show		16284+3724	HJ 261		102	21.4	73
Show		16229+3803	COU1281		37	0.2	74
Show		16253+3808	NSN 678		182	1.7	82
Show		16269+3801	ALI 864		59	8.4	84
Show		16229+3815	KU 53		49	5.3	85
Show		16220+3524	CVR 185		357	25.9	88
Show		16226+3819	PKO 15		32	2.5	89
Show		16261+3524	HDS2321		266	0.5	94
Show		16290+3543	CVR1666		66	3.6	99
Show		16173+3804	KPP 364		342	3.5	101
Show		16251+3830	TDS9886		329	0.5	103
Show		16272+3521	COU 984		356	0.6	103
Show		16281+3825	CVR 824		176	17.4	113
Show		16234+3844	LDS4664		302	75.1	114
Show		16157+3538	HJ 585	AB	320	8.7	115
Show		16157+3538	HJ 585	AC	193	31.9	115
Show		16328+3650	LDS4677		118	64.0	116
Show		16263+3841	SKF2387		147	1.4	117
Show		16266+3502	SKF1406		235	1.2	117
Show		16309+3804	STF2059		179	0.3	119
Show		16148+3801	LDS4657		297	9.1	122
Show		16133+3617	KPP3988		48	2.6	123
Show		16308+3527	ALI 135		349	5.2	126
Show		16318+3805	CBL 508		250	26.0	128
Show		16327+3752	CVR 832		218	12.9	131
Show		16194+3854	CVR 817		326	10.9	131
Show		16310+3514	HDS2332	AB	214	0.2	137
Show		16310+3514	RBR 47	AC	42	0.9	137
Show		16220+3908	COU1279		28	1.6	139
Show		16118+3626	WRH 21		66	0.1	139
Show		16182+3857	HU 1275		168	2.9	139
Show		16118+3725	HJ 260		27	19.8	139
Show		16301+3459	KPP4002		292	1.8	141

WDS 16231+3650 : COMPONENTS

	A
B	pa=67.5° sep=45.15"

16231+3650 A

Componente originario normalizzato	AB		Coord arcsec 2000	162304.90+365031.6		Mag	10.71		Spectral class	K3 (yellow-orange)
PmRA	-180.00		PmDE	152.0		HIP	80258		Tycho2	2586-01760-1

Tycho2

Tycho2	2586-01760-1	Pflag		RAmdeg	245.77039460	DEmdeg	36.84210837
PmRA	-179.7	PmDE	151.6	E RAmdeg	32	E DEmdeg	31
E pmRA	3.8	E pmDE	3.5	EpRAm	1986.65	EpDEm	1986.77
Num	4	Q RAmdeg	1.0	Q DEmdeg	0.3	Q pmRA	1.0
Q pmDE	0.3	BTmag	11.825	E BTmag	0.089	VTmag	10.831
E VTmag	0.062	Prox	999	TYC	T	HIP	80258
CCDM		RAdeg	245.77089944	DEdeg	36.84175778	EpRA 1990	1.73
EpDE 1990	1.72	E RAdeg	46.6	E DEdeg	44.2	Posflg	P
Corr	-0.1

Hipparcos

Catalog	H	HIP	80258	Proxy		RAhms	16 23 05.02
DEdms	+36 50 30.2	Vmag	10.71	VarFlag		R Vmag	H
RAdeg	245.771	DEdeg	36.8417	AstroRef		Plx	14.59
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag	X	Source		Qual		M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	1.55
SpType	K3	R SpType		Coord arcsec 2000	162305.02+365030.2

Hipparcos 2

HIP	80258	Sn	5	So	2	Nc	1
RArad	4.2895119378	DErad	0.643009466	Plx	15.71	PmRA	-181.43
PmDE	144.07	E RArad	1.51	E DErad	1.7	E Plx	2.07
E pmRA	2.03	E pmDE	2.26	Hpmag	10.8505	E Hpmag	0.0047
SHp	0.045	VA	0	BV	0.969	E BV	0.11
VI	1.02

16231+3650 B

Componente originario normalizzato	AB		Coord arcsec 2000	162308.38+365048.8		Mag	17.26		Spectral class	M4 (red)
PmRA	-182.00		PmDE	146.0		Calc delta mag	6.55		Calc coord	yes