22034-5647 SOZ 1 AB (Eps Ind)

22^h 03^m 21.65^s -56° 47' 09.1" P.A. 88.00 sep 403.1 mag 4.83,24.00 Sp K4V+T1 dist. 3.62 pc (11.81 l.y.)

Coord 2000	22034-5647	Discov num	SOZ 1	Comp	AB	Coord arcsec 2000	22 03 21.65 -56 47 09.1
Date first	1999	Date last	2010	Obs	2
Pa first	89	Pa last	88.4	P.A. Now (θ)	88.4°
Sep first	402.3	Sep last	403.113	Sep. Now (ρ)	403.113"
Mag pri	4.83	Mag sec	24.00	delta mag (ΔM)	19.17	Spectral class	K4V+T1 (yellow-orange/brown dwarf)
Pri motion ra	+396	Sec motion ra	+397
Pri motion dec	-254	Sec motion dec	-251
Notes	N V P (See Notes, Proper motion indicates physical, 100-year proper motion)

rPM=0.007 (< 0.3, Physical double)

This double is physical.

22034-5647 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Eps Ind	247287	22 03 22 -56 47 09	SOZ 1 AB	2010	2	88	403.1	4.83	24.00	19.17		<===
Show			22 04 11 -56 46 58	VLK 1 Ba,Bb	2013	43	127	0.5	24.10	26.60	2.50	Y

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Eps Ind	Constellation	Indus	SAO	247287	HIP	108870
Tycho2	8817-00984-1	HD	209100	HR	8387	GC	30817
GL	Gl 845	CP	CP-5710015	Bayer	Epsilon Indi	Bayer name	Eps Ind
FK5	825	Distance	3.62	Distance ly	11.81	Bayer greek	ε Ind

WDS 22034-5647 SOZ 1 AB (Eps Ind) : NOTES

discov_num	notes	refcode
VLK 1	Ba,Bb: eps Ind. Cardoso et al. (2009) derive a system mass of
	0.116 +/- 0.001 Msun = 121 +/- 1 Mjup for this pair of T dwarfs.	Mcg2009
	VLTI uniform disk diameter of A: 1.834 +/- 0.016 mas,	LTI2009
	VLTI limb-darkened disk diameter of A: 1.881 +/- 0.017 mas,
	R = 0.732 +/- 0.006 \rsun, Teff = 4568 +/- 59 K,
	M = 0.762 +/- 0.038 \msun.
	Mass for Ba & Bb : 75.0 +/- 0.82 and 70.1 +/- 0.68 \mjup.	Die2018
	Teff for Ba & Bb : 1320 and 910 K.
	The orbital parallax is 276.88 +/- 0.81 mas.

REFERENCES

refcode	metd	author	reference
Die2018	A+ j	Dieterich, S.B., Weinberger, A.J., Boss, A.P., Henry, T.J., Jao, W.-C., Gagne, J.,	2018ApJ...865...28D
Die2018	+not	Astraatmadja, T.L., Thompson, M.A. & Anglada-Escude, G.
Die2018		ApJ 865, 28, 2018
LTI2009	not j	Demory, B.-O., Segransan, D., Forveille, T., Queloz, D., Beuzit, J.-L., Delfosse,	2009A&A...505..205D
LTI2009		X., Di Folco, E., Kervella, P., Le Bouquin, J.-B., Perrier, C., Benisty, M.,	.
LTI2009		Duvert, G., Hofmann, K.-H., Lopez, B. & Petrov, R.	.
LTI2009		A&A 505, 205, 2009	.
Mcg2009	orb -	Cardoso, C.V., McCaughrean, M.J., King, R.R., Close, L.M., Scholz, R.-D.,	2009AIPC.1094..509C
Mcg2009		Lenzen, R., Brandner, W., Lodieu, N., & Zinnecker, H.
Mcg2009		AIP Conf. Proc., 1094, 509, 2009

DISCOVERER

idgroup	discov	author
1	SOZ	Scholz, R.-D., McCaughrean, M.J., Lodieu, N., & Kuhlbrodt, B.
11	SOZ	Niemczura, E., Scholz, R.-D., Hubrig, S., Jarvinen, S.P., Scholler,M., Ilyin, I. &
11	SOZ	Kahraman Alicavus, F.
12	VLK	Volk, K., Blum, R., Walker, G., & Puxley, P.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22034-5647	SOZ 1	AB	1999	2	89	402.3	4.83	16.59		PD	220321.65-564709.1
22034-5647	SOZ 1	AB	2010	2	88	403.1	4.83	16.59	K4V+T1	N P	220321.65-564709.1

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

WDS 22034-5647 SOZ 1 AB (Eps Ind) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 22034-5647 SOZ 1 AB (Eps Ind) : MEASURES

No records found.

WDS 22034-5647 (Eps Ind) : 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 22034-5647 (Eps Ind) : ALADIN DSS IMAGE @ 22^h 03^m 21.65^s -56° 47' 09.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 22034-5647 SOZ 1 AB (Eps Ind) : 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		22034-5647	SOZ 1	AB	88	403.1
Show		22034-5647	VLK 1	Ba,Bb	127	0.5	7
Show		22009-5628	I 338		289	0.9	28
Show		22060-5628	I 381		88	1.6	29
Show		22022-5717	B 2899		219	7.9	32
Show		22085-5707	CBL 186		328	26.3	47
Show		22089-5638	B 551		173	3.1	47
Show		22036-5559	LDS 771		192	41.1	49
Show		22087-5626	HU 1543		324	1.5	49
Show		22062-5600	HDS3139		322	12.8	54
Show		22099-5635	RST1123		20	0.8	56
Show		21562-5716	UC 4605		292	31.6	66
Show		21571-5606	UC 4610		161	43.6	67
Show		22113-5715	TDT3392		171	0.5	71
Show		21577-5538	TDT3262		333	1.7	84
Show		22115-5755	UC 4674		158	7.6	95
Show		21506-5647	HU 1633		323	1.6	105
Show		22017-5503	RST1115		190	1.5	106
Show		22085-5825	SKF2810		6	111.1	106
Show		22089-5511	NSC 30		113	4.5	107
Show		21537-5535	TDT3221		100	0.7	108
Show		21566-5514	TDT3251		298	0.5	109
Show		22124-5814	TDT3404		106	0.9	114
Show		22161-5734	B 554		147	7.8	114
Show		22136-5528	HJ 5320		287	18.3	117
Show		21579-5500	FIN 307		222	0.1	117
Show		22156-5544	KPP 506		70	3.8	121
Show		22141-5527	RST2193		34	0.8	121
Show		21553-5505	RST5557		218	0.6	123
Show		21552-5831	TDT3243		107	1.0	123
Show		22158-5801	B 2501		152	1.2	125
Show		22166-5543	SYO 2		12	16.7	128
Show		21599-5439	UC 4624		336	23.9	132
Show		22056-5858	B 548		250	0.1	132
Show		21504-5818	HDS3109	AB	301	0.1	139
Show		22117-5850	HJ 5317		100	14.3	140
Show		22071-5908	HJ 5316		136	3.5	144
Show		21466-5742	FIN 283		136	0.2	147
Show		22149-5845	KPP1333		330	10.1	150
Show		22198-5535	RST2196		216	1.0	155
Show		22220-5733	TDT3489		37	0.5	159
Show		21444-5728	KPP3074		201	2.0	160
Show		21440-5720	JC 25	AB	4	152.3	162
Show		21440-5720	JC 25	AC	214	187.0	162
Show		21563-5921	HJ 5300	BC	273	7.3	164
Show		21563-5921	HJ 5300	AB	34	25.5	164
Show		22226-5609	I 134		274	0.5	164
Show		21472-5512	RST1108		104	1.6	166
Show		22075-5405	UC 4658		40	32.9	166
Show		21570-5928	B 545	AB	195	4.0	169
Show		22226-5545	UC 4728		254	18.3	172

WDS 22034-5647 : COMPONENTS

	A	B
B	pa=88.4° sep=401.72"
Bb	pa=88.4° sep=401.92"	pa=143.8° sep=0.36"

22034-5647 A

Name	Eps Ind	Coord arcsec 2000	220321.65-564709.1	Mag	4.83	Spectral class	K4V (yellow-orange)
PmRA	396.00	PmDE	-254.0	SAO	247287	HIP	108870
Tycho2	8817-00984-1	HD	209100	HR	8387	GC	30817
CP	CP-5710015	Bayer	Epsilon	Bayer name	Eps	FK5	825

Tycho2

Tycho2	8817-00984-1	Pflag		RAmdeg	330.84023065	DEmdeg	-56.78597448
PmRA	3959.1	PmDE	-2538.3	E RAmdeg	3	E DEmdeg	3
E pmRA	0.9	E pmDE	0.8	EpRAm	1991.54	EpDEm	1991.30
Num	12	Q RAmdeg	1.0	Q DEmdeg	1.7	Q pmRA	1.1
Q pmDE	1.6	BTmag	6.048	E BTmag	0.014	VTmag	4.826
E VTmag	0.009	Prox	999	TYC	T	HIP	108870
CCDM		RAdeg	330.82356861	DEdeg	-56.78002917	EpRA 1990	1.70
EpDE 1990	1.57	E RAdeg	3.2	E DEdeg	3.4	Posflg
Corr	0.1

SAO

SAO	247287	DelFlag		RA1950		PmRA1950	0.4822
DE1950		PmDE1950	-2.555	Vmag	4.7	SpType	K5
Double code		Source	74	CatNum	825	DM	CP-5710015
DMcomp		BDsup		HD	209100	M HD	0
GC	30817	RA1950rad	5.75762689	DE1950rad	-0.99470986	PmRA2000	0.4808
PmDE2000	-2.536

Hipparcos

Catalog	H	HIP	108870	Proxy		RAhms	22 03 17.44
DEdms	-56 46 47.3	Vmag	4.69	VarFlag		R Vmag	G
RAdeg	330.823	DEdeg	-56.7798	AstroRef		Plx	275.76
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	209100	BD
CD		CP	CP-5710015	Dm number	-5710015	VIred	1.15
SpType	K5V	R SpType		Coord arcsec 2000	220317.44-564647.3

Hipparcos 2

HIP	108870	Sn	5	So	0	Nc	1
RArad	5.7739447418	DErad	-0.99099456	Plx	276.06	PmRA	3960.93
PmDE	-2539.23	E RArad	0.19	E DErad	0.15	E Plx	0.28
E pmRA	0.24	E pmDE	0.17	Hpmag	4.831	E Hpmag	0.0005
SHp	0.005	VA	0	BV	1.056	E BV	0.016
VI	1.15

22034-5647 B

Coord arcsec 2000	220410.52-564657.8		Coord calc	220348.51-564657.8		Mag	24.1		Mag composta	24
Spectral class	T1 (brown dwarf)		PmRA	396.00		PmDE	-251.0		Calc delta mag	19.27

22034-5647 Bb

Coord arcsec 2000	220410.55-564658.1		Mag	26.6		Spectral class	T6 (brown dwarf)		PmRA	396.00
PmDE	-251.0		Calc delta mag	21.77		Calc coord	yes