03506-4234 EGN 3

03^h 50^m 35.47^s -42° 33' 56.6" P.A. 21.00 sep 2.9 mag 8.62,12.80 Sp K2.5V+M5V dist. 27.52 pc (89.77 l.y.)

Coord 2000	03506-4234	Discov num	EGN 3	Comp		Coord arcsec 2000	03 50 35.47 -42 33 56.6
Date first	2002	Date last	2016	Obs	6
Pa first	23	Pa last	21.3	P.A. Now (θ)	21.3°
Sep first	2.7	Sep last	2.92	Sep. Now (ρ)	2.92"
Mag pri	8.62	Mag sec	12.80	delta mag (ΔM)	4.18	Spectral class	K2.5V+M5V (yellow-orange/red)
Pri motion ra	+197	Sec motion ra
Pri motion dec	+623	Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Eridanus	SAO	216515	HIP	17978	Tycho2	7576-00189-1
HD	24331	GC	4652	CD	CD-42 1269	CP	CP-42 366
Distance	27.52	Distance ly	89.77

WDS 03506-4234 EGN 3 : NOTES

discov_num	notes	refcode
EGN 3	Pair bound, with projected separation 73au. Mass of secondary
	0.15 +/- 0.01 Msun; spectral type M4-M6.	Egn2007

REFERENCES

refcode	metd	author	reference
Egn2007	Ao j	Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan,	2007A&A...474..273E
Egn2007		D., & Mayor, M.
Egn2007		A&A 474, 273, 2007

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
03506-4234	EGN 3		2004	3	23	2.8	8.62		K2.5V M5V	NVD	035035.33-423401.4
03506-4234	EGN 3		2015	4	21	2.9	8.62	12.80	K2.5V+M5V	NV K	035035.47-423356.6
03506-4234	EGN 3		2016	5	21	2.9	8.62	12.80	K2.5V+M5V	NV K	035035.47-423356.6

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WDS 03506-4234 EGN 3 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03506-4234 EGN 3 : MEASURES

No records found.

WDS 03506-4234 : VIRTUAL EYEPIECE

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WDS 03506-4234 : ALADIN DSS IMAGE @ 03^h 50^m 35.47^s -42° 33' 56.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03506-4234 EGN 3 : 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		03506-4234	EGN 3		21	2.9
Show		03520-4219	CPO 120		205	4.6	22
Show		03541-4152	B 1461		52	0.1	58
Show		03522-4133	RST1260		285	2.2	64
Show		03565-4238	HU 1360		34	1.8	65
Show		03460-4332	B 1460		21	0.6	77
Show		03563-4134	TDS2688		294	0.9	88
Show		03482-4111	HDS 480		56	0.3	88
Show		03453-4126	B 1459		348	0.3	90
Show		03462-4112	CBL 122		257	66.1	96
Show		03503-4410	TDS2665		8	0.6	97
Show		03584-4150	HDS 501		326	0.3	98
Show		03490-4414	KPP 957		68	7.9	102
Show		03559-4105	B 2088		229	8.6	107
Show		03563-4105	UC 1089		170	7.6	111
Show		03406-4213	TDS2622		314	0.6	113
Show		03580-4111	NSN 199		339	9.4	118
Show		03514-4434	UC 1079		12	114.4	121
Show		04005-4145	DON 58	AB	160	8.8	121
Show		04005-4145	VSP 11	Aa,Ab	352	0.0	121
Show		03404-4150	UC 1041		120	11.8	122
Show		03572-4413	HDS 499		68	11.7	123
Show		03465-4039	HJ 3593		139	15.4	124
Show		03453-4423	CPO 119		221	4.3	124
Show		03574-4418	BOY 1		178	0.1	128
Show		03411-4123	TDS2626		127	0.7	128
Show		03441-4040	HJ 3589	AB	350	5.0	136
Show		03429-4047	B 1458		332	1.0	138
Show		03544-4021	FIN 344	AB	251	0.0	140
Show		03544-4021	HDO 188	AB,C	167	23.6	140
Show		03436-4036	UC 1053		258	92.1	142
Show		03458-4446	KPP3544		69	1.2	143
Show		04039-4257	TDS2735		196	0.5	149
Show		04040-4217	DON 60		102	5.0	150
Show		04042-4242	UC 1111		346	45.5	151
Show		03412-4046	ARY 90	AB	294	78.2	151
Show		03412-4046	SKF2462	AC	196	13.0	151
Show		03577-4444	B 2089		78	7.6	152
Show		03457-4011	CPO 31		211	3.8	154
Show		03423-4027	UC 1048		187	29.6	158
Show		03539-4511	KPP2822		220	1.7	162
Show		04019-4051	B 1463		64	1.2	164
Show		03561-4509	CPO 121		325	7.3	166
Show		03566-3955	HJ 3611		139	4.2	173
Show		04059-4158	RST3394		296	0.2	174
Show		04065-4222	B 1464		222	0.9	177
Show		04012-4451	HJ 3616		138	27.6	179
Show		04043-4412	TDS2737		222	1.4	179
Show		03398-4022	DUN 15		327	7.5	181
Show		03548-3940	RST1262		120	1.7	181
Show		03344-4305	KPP 787		104	6.8	181

WDS 03506-4234 : COMPONENTS

	A
B	pa=16.0° sep=2.83"

03506-4234 A

Componente originario normalizzato	AB	Coord arcsec 2000	035035.47-423356.6	Mag	8.62	Spectral class	K2.5V (yellow-orange)
PmRA	197.00	PmDE	623.0	SAO	216515	HIP	17978
Tycho2	7576-00189-1	HD	24331	GC	4652	CD	CD-42 1269
CP	CP-42 366

Tycho2

Tycho2	7576-00189-1	Pflag		RAmdeg	57.64786720	DEmdeg	-42.56554068
PmRA	198.1	PmDE	622.7	E RAmdeg	9	E DEmdeg	8
E pmRA	1.0	E pmDE	1.0	EpRAm	1989.98	EpDEm	1990.30
Num	11	Q RAmdeg	0.8	Q DEmdeg	0.9	Q pmRA	0.8
Q pmDE	0.9	BTmag	9.744	E BTmag	0.021	VTmag	8.714
E VTmag	0.013	Prox	999	TYC	T	HIP	17978
CCDM		RAdeg	57.64725000	DEdeg	-42.56697583	EpRA 1990	1.73
EpDE 1990	1.70	E RAdeg	8.7	E DEdeg	8.2	Posflg
Corr	0.1

SAO

SAO	216515	DelFlag		RA1950		PmRA1950	-0.0207
DE1950		PmDE1950	0.637	Vmag	8.6	SpType	K0
Double code		Source	70	CatNum	4652	DM	CD-42 1269
DMcomp		BDsup		HD	24331	M HD	0
GC	4652	RA1950rad	0.99868129	DE1950rad	-0.74567378	PmRA2000	-0.0197
PmDE2000	0.635

Hipparcos

Catalog	H	HIP	17978	Proxy		RAhms	03 50 35.33
DEdms	-42 34 01.4	Vmag	8.61	VarFlag		R Vmag	G
RAdeg	57.6472	DEdeg	-42.567	AstroRef		Plx	37.45
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	24331	BD
CD	CD-42 1269	CP	CP-42 366	Dm number	-42 1269	VIred	0.99
SpType	K2V	R SpType		Coord arcsec 2000	035035.33-423401.4

Hipparcos 2

HIP	17978	Sn	5	So	0	Nc	1
RArad	1.0061336928	DErad	-0.7429351563	Plx	36.34	PmRA	196.84
PmDE	623.28	E RArad	0.56	E DErad	0.69	E Plx	0.73
E pmRA	0.68	E pmDE	0.9	Hpmag	8.762	E Hpmag	0.0016
SHp	0.016	VA	0	BV	0.913	E BV	0.013
VI	0.99

03506-4234 B

Componente originario normalizzato	AB		Coord arcsec 2000	035035.54-423353.9		Mag	12.8		Spectral class	M5V (red)
Calc delta mag	4.18		Calc coord	yes