04246+4243 HDS 565 (HD 27740)

04^h 24^m 36.06^s +42° 43' 17.8" P.A. 158.00 sep 0.2 mag 8.69,11.40 Sp K2 dist. 50000 pc (163100 l.y.)

Coord 2000	04246+4243	Discov num	HDS 565	Comp		Coord arcsec 2000	04 24 36.06 +42 43 17.8
Date first	1991	Date last	1991	Obs	1
Pa first	158	Pa last	158	P.A. Now (θ)	158°
Sep first	0.2	Sep last	0.204	Sep. Now (ρ)	0.204"
Mag pri	8.69	Mag sec	11.40	delta mag (ΔM)	2.71	Spectral class	K2 (yellow-orange)
Pri motion ra	+005	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes	X (Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 27740	Constellation	Perseus	SAO	39512	HIP	20590
Tycho2	2887-02189-1	Gaia DR2	228514632639341696	HD	27740	BD	BD+42 954
Distance	50000	Distance ly	163100

WDS 04246+4243 HDS 565 (HD 27740) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (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
04246+4243	HDS 565		1991	1	158	0.2	8.69	11.40	K2	X	042436.06+424317.8

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WDS 04246+4243 HDS 565 (HD 27740) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04246+4243 HDS 565 (HD 27740) : MEASURES

No records found.

WDS 04246+4243 (HD 27740) : VIRTUAL EYEPIECE

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WDS 04246+4243 (HD 27740) : ALADIN DSS IMAGE @ 04^h 24^m 36.06^s +42° 43' 17.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04246+4243 HDS 565 (HD 27740) : 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		04246+4243	HDS 565		158	0.2
Show		04240+4248	COU1705		344	0.7	9
Show		04261+4239	ES 1521		310	8.0	18
Show		04236+4226	STT 80		152	0.3	21
Show		04228+4257	TDS 136	AB	233	1.8	25
Show		04228+4257	SKF1028	AC	37	5.4	25
Show		04226+4232	STJ 90		53	1.3	25
Show		04262+4220	KPP1372		15	10.3	30
Show		04278+4223	COU1863		23	0.5	42
Show		04277+4311	ES 568		308	5.9	45
Show		04267+4329	ES 1522	AB	316	10.8	51
Show		04267+4329	ES 1522	AC	101	31.5	51
Show		04289+4222	LDS5189		240	10.2	51
Show		04273+4325	TDS2854		65	0.5	52
Show		04205+4206	BVD 195		230	9.8	60
Show		04203+4326	TDS2827		190	0.5	64
Show		04218+4338	COU2030		133	0.6	64
Show		04283+4351	TDS2861		174	2.2	79
Show		04272+4359	TDS2853		175	2.0	81
Show		04319+4252	LDS5569		60	7.0	82
Show		04310+4159	HDS 583		117	0.2	84
Show		04310+4333	COU1864		230	1.6	86
Show		04274+4404	ES 1370	AB	254	3.3	88
Show		04274+4404	ES 1370	AC	177	6.2	88
Show		04167+4229	KPP3171		193	1.9	89
Show		04256+4412	TDS 139		129	0.9	89
Show		04311+4349	TDS2878		235	1.4	97
Show		04334+4304	SHJ 44	BC	317	56.7	99
Show		04269+4418	BRT 85		128	8.1	99
Show		04294+4407	A 1713		200	0.4	99
Show		04334+4304	SHJ 44	AB	197	121.4	100
Show		04334+4304	SHJ 44	AD	354	74.7	100
Show		04334+4304	ARN 42	AE	79	442.1	100
Show		04334+4304	SHJ 44	AC	225	105.0	100
Show		04197+4116	KPP3565		330	2.8	104
Show		04303+4408	ES 1523		36	2.9	105
Show		04344+4241	A 1714		255	0.4	108
Show		04266+4056	BRT 84		185	5.5	110
Show		04271+4431	TDS2851		52	0.5	111
Show		04289+4103	A 1712		36	0.4	111
Show		04145+4252	TDS2794		64	0.5	112
Show		04290+4103	LDS5563		230	31.0	112
Show		04140+4235	A 1711		74	0.7	118
Show		04353+4305	A 1715		240	4.4	120
Show		04187+4426	COU2027		92	0.7	122
Show		04340+4349	COU1865		210	1.7	122
Show		04135+4238	NSN 545		338	2.4	123
Show		04150+4142	TDS2801		296	0.4	123
Show		04177+4103	NSN 546		250	2.4	127
Show		04201+4440	TDS2825		120	1.4	127
Show		04337+4128	ES 570		187	4.1	127

WDS 04246+4243 : COMPONENTS

	A
B	pa=163.5° sep=0.20"

04246+4243 A

Componente originario normalizzato	AB	Name	HD 27740	Coord arcsec 2000	042436.06+424317.8	Mag	8.69
Spectral class	K2 (yellow-orange)	PmRA	5.00	PmDE	-4.0	SAO	39512
HIP	20590	Tycho2	2887-02189-1	HD	27740	BD	BD+42 954

Tycho2

Tycho2	2887-02189-1	Pflag		RAmdeg	66.15025647	DEmdeg	42.72161176
PmRA	1.9	PmDE	-3.5	E RAmdeg	9	E DEmdeg	10
E pmRA	1.0	E pmDE	1.1	EpRAm	1990.28	EpDEm	1989.61
Num	11	Q RAmdeg	1.3	Q DEmdeg	1.3	Q pmRA	1.5
Q pmDE	1.3	BTmag	10.427	E BTmag	0.035	VTmag	8.634
E VTmag	0.014	Prox	999	TYC	T	HIP	20590
CCDM	AB	RAdeg	66.15025194	DEdeg	42.72162111	EpRA 1990	1.66
EpDE 1990	1.31	E RAdeg	8.5	E DEdeg	10.9	Posflg	P
Corr	0.0

SAO

SAO	39512	DelFlag		RA1950		PmRA1950	0.001
DE1950		PmDE1950	0.028	Vmag	8.5	SpType	K2
Double code		Source	4	CatNum	463	DM	BD+42 954
DMcomp		BDsup		HD	27740	M HD	0
GC		RA1950rad	1.13927872	DE1950rad	0.74364151	PmRA2000	0.001
PmDE2000	0.026

Hipparcos

Catalog	H	HIP	20590	Proxy	H	RAhms	04 24 36.06
DEdms	+42 43 17.8	Vmag	8.45	VarFlag		R Vmag	H
RAdeg	66.1502	DEdeg	42.7216	AstroRef	*	Plx	-0.4
CCDM	04246+4243	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	158	Rho	0.204	HD	27740	BD	BD+42 954
CD		CP		Dm number	+42 954	VIred	1.28
SpType	K2	R SpType		Coord arcsec 2000	042436.06+424317.8

Hipparcos 2

HIP	20590	Sn	55	So	3	Nc	2
RArad	1.1545396287	DErad	0.7456329289	Plx	-0.02	PmRA	3.44
PmDE	-6.15	E RArad	0.98	E DErad	0.66	E Plx	1.16
E pmRA	1.24	E pmDE	1	Hpmag	8.6046	E Hpmag	0.0016
SHp	0.014	VA	0	BV	0	E BV	0
VI	0

CCDM

Ccdm	04246+4243	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.06	DDEs	17.8
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.7	Sp	K2	PmNote	*
PmRA	5	PmDE	-4	Dm number	+42 954	Cat1	BD
Name2	+42 463	Cat2	AGK2/3	HD	27740	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	20590

04246+4243 B

Componente originario normalizzato	AB		Coord arcsec 2000	042436.07+424317.6		Mag	11.4		Calc delta mag	2.71
Calc coord	yes

CCDM

Ccdm	04246+4243	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	0.07	DDEs	17.6
R dRAs	82	Year	1991	Theta	158	Rho	0.2
Obs	1	Vmag	11.4	Sp		PmNote	*
PmRA	5	PmDE	-4	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	20590