12415+2136 LDS 4249

12^h 41^m 26.54^s +21° 36' 49.9" P.A. 30.00 sep 6.6 mag 11.65,17.04 Sp K4: dist. 59.67 pc (194.64 l.y.)

Coord 2000	12415+2136	Discov num	LDS4249	Comp		Coord arcsec 2000	12 41 26.54 +21 36 49.9
Date first	1960	Date last	2016	Obs	6
Pa first	40	Pa last	29.6	P.A. Now (θ)	29.6°
Sep first	5.0	Sep last	6.627	Sep. Now (ρ)	6.627"
Mag pri	11.65	Mag sec	17.04	delta mag (ΔM)	5.39	Spectral class	K4: (yellow-orange)
Pri motion ra	-223	Sec motion ra	-232
Pri motion dec	-052	Sec motion dec	-060
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.05 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Coma Berenices		HIP	61924		Tycho2	1448-02167-1		Gaia DR2	3955445978019368320
Distance	59.67		Distance ly	194.64

WDS 12415+2136 LDS 4249 : NOTES

discov_num	notes	refcode
LDS4249	NLTT 31550/31551	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
12415+2136	LDS4249		1960	1	40	5.0	11.65	17.04		V	124126.54+213649.9
12415+2136	LDS4249		2000	2	31	6.7	11.65	17.04	K4:	NV	124126.54+213649.9
12415+2136	LDS4249		2015	3	30	6.6	11.65	17.04	K4:	NV	124126.54+213649.9
12415+2136	LDS4249		2016	6	30	6.6	11.65	17.04	K4:	NV	124126.54+213649.9

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

WDS 12415+2136 LDS 4249 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12415+2136 LDS 4249 : MEASURES

No records found.

WDS 12415+2136 : VIRTUAL EYEPIECE

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WDS 12415+2136 : ALADIN DSS IMAGE @ 12^h 41^m 26.54^s +21° 36' 49.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12415+2136 LDS 4249 : 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		12415+2136	LDS4249		30	6.6
Show		12418+2132	SLW 760		183	25.7	7
Show		12403+2133	AZC 76		98	14.9	17
Show		12403+2131	LDS 939		91	83.1	18
Show		12431+2117	LDS5758		137	12.9	30
Show		12440+2110	STT 253		238	6.5	45
Show		12444+2200	HDS1783		112	0.3	47
Show		12406+2223	LDS4246		253	116.7	48
Show		12401+2049	OSO 47	AB	35	14.7	52
Show		12401+2049	OSO 47	AC	109	112.6	52
Show		12451+2143	GRV 858		114	62.4	52
Show		12372+2112	STF1663		65	0.5	65
Show		12386+2043	HDS1771		110	0.3	67
Show		12390+2240	KUI 60		228	34.2	72
Show		12363+2113	FMR 108		311	37.1	76
Show		12381+2257	CVR1455		345	3.3	93
Show		12454+2252	SLW 768		153	41.9	94
Show		12481+2204	AZC 77		329	28.3	98
Show		12382+2304	LDS4239		111	185.5	98
Show		12471+2237	SHY 612		23	999.9	100
Show		12396+1956	BGH 40	AB	148	415.6	100
Show		12396+1956	LDS1330	BC	197	104.1	105
Show		12368+2014	AG 180		357	0.4	106
Show		12372+2009	CBL 54		284	15.8	106
Show		12387+2318	GUR 32		142	0.8	108
Show		12358+2023	SLW 739		229	18.6	109
Show		12492+2147	STF1680		335	2.9	109
Show		12349+2238	WRH 12		8	0.4	110
Show		12350+2026	CBL 385		192	32.2	115
Show		12374+2322	COU 392		335	2.1	119
Show		12496+2053	LDS5760		159	11.1	123
Show		12325+2106	STF1652		178	6.1	129
Show		12391+2344	POU3129	BC	59	4.8	131
Show		12391+2344	POU3129	AB	137	13.3	132
Show		12355+1955	GWP1832		48	170.0	132
Show		12367+2338	A 562		7	3.7	138
Show		12460+2340	COU 394		107	0.8	139
Show		12452+1927	SLW 767		101	132.9	140
Show		12514+2206	CFN 10		92	1.3	142
Show		12515+2207	LDS 940	AB	53	84.7	142
Show		12515+2207	RAO 284	AC	90	1.3	142
Show		12347+1951	CVR 127		179	60.8	142
Show		12394+1918	TDS8472		124	0.5	143
Show		12507+2032	HU 640	AB	259	0.5	145
Show		12507+2032	TOK 561	AC	119	999.9	145
Show		12435+2400	KPP3877		270	3.1	146
Show		12328+2301	AG 179		142	1.0	147
Show		12303+2157	HJL1069		312	115.4	157
Show		12424+2413	SLW 762		141	24.2	157
Show		12330+2324	POU3128		52	10.4	159
Show		12323+2000	HU 571		140	0.1	161

WDS 12415+2136 : COMPONENTS

	A
B	pa=27.8° sep=6.52"

12415+2136 A

Componente originario normalizzato	AB		Coord arcsec 2000	124126.54+213649.9		Mag	11.65		Spectral class	K4: (yellow-orange)
PmRA	-223.00		PmDE	-52.0		HIP	61924		Tycho2	1448-02167-1

Tycho2

Tycho2	1448-02167-1	Pflag		RAmdeg	190.36056431	DEmdeg	21.61390958
PmRA	-222.7	PmDE	-52.2	E RAmdeg	91	E DEmdeg	103
E pmRA	2.5	E pmDE	2.6	EpRAm	1975.88	EpDEm	1971.64
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	13.991	E BTmag	0.472	VTmag	11.846
E VTmag	0.165	Prox	972	TYC		HIP	61924
CCDM		RAdeg	190.36111194	DEdeg	21.61403083	EpRA 1990	1.77
EpDE 1990	1.64	E RAdeg	99.1	E DEdeg	114.5	Posflg
Corr	0.2

Hipparcos

Catalog	H	HIP	61924	Proxy		RAhms	12 41 26.68
DEdms	+21 36 50.4	Vmag	11.69	VarFlag		R Vmag	G
RAdeg	190.361	DEdeg	21.614	AstroRef		Plx	14.89
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	1.49
SpType		R SpType		Coord arcsec 2000	124126.68+213650.4

Hipparcos 2

HIP	61924	Sn	5	So	0	Nc	1
RArad	3.3224287865	DErad	0.3772353248	Plx	16.76	PmRA	-221.04
PmDE	-58.25	E RArad	2.21	E DErad	1.87	E Plx	2.68
E pmRA	2.7	E pmDE	2.21	Hpmag	11.8644	E Hpmag	0.0062
SHp	0.053	VA	0	BV	1.296	E BV	0.02
VI	1.49

12415+2136 B

Componente originario normalizzato	AB		Coord arcsec 2000	124126.76+213655.7		Mag	17.04		PmRA	-232.00
PmDE	-60.0		Calc delta mag	5.39		Calc coord	yes