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02165-5131
DUN 6 AB
Phi Eri

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

02165-5131 DUN 6 AB (Phi Eri)

02^h 16^m 30.58^s -51° 30' 43.7" P.A. 224.00 sep 89.1 mag 3.52,9.32 Sp B8IV-V dist. 47.13 pc (153.74 l.y.)

Coord 2000	02165-5131		Discov num	DUN 6		Comp	AB		Coord arcsec 2000	02 16 30.58 -51 30 43.7
Date first	1826		Date last	2015		Obs	18
Pa first	220		Pa last	223.9		P.A. Now (θ)	223.9°
Sep first	90.0		Sep last	89.051		Sep. Now (ρ)	89.051"
Mag pri	3.52		Mag sec	9.32		delta mag (ΔM)	5.8		Spectral class	B8IV-V (blue-white)
Pri motion ra	+093		Sec motion ra	-004
Pri motion dec	-024		Sec motion dec	+009
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=1.067

This double is not physical.

02165-5131 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Phi Eri	232696	02 16 31 -51 30 44	DUN 6 AB	2015	18	224	89.1	3.52	9.32	5.80		<===
Show		232696	02 16 31 -51 30 44	SHY 137 AC	1999	3	208	999.9	3.52	6.49	2.97
Show		232696	02 16 31 -51 30 44	SHY 137 AD	1999	3	228	999.9	3.52	7.13	3.61
Show		232620	02 04 35 -54 52 54	RMU 2 Ca,Cb	2011	1	242	0.3	5.45	8.20	2.75
Show		232620	02 04 35 -54 52 54	SHY 133 CD	1999	3	247	999.9	6.49	7.13	0.64
Show		232620	02 04 35 -54 52 54	SHY 143 CE	1999	3	64	999.9	6.49	5.33	1.16
Show		232488	01 39 08 -56 25 46	SHY 130 DF	2015	4	244	999.9	7.13	8.59	1.46

Septuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Phi Eri		Constellation	Eridanus		SAO	232696		HIP	10602
Tycho2	8055-01270-1		Gaia DR2	4936685751335824896		HD	14228		HR	674
GC	2756		CP	CP-52 285		Bayer	Phi Eridani		Bayer name	Phi Eri
FK5	82		Distance	47.13		Distance ly	153.74		Bayer greek	φ Eri