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02165-5131
SHY 137 AC

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

02165-5131 SHY 137 AC

02^h 16^m 30.58^s -51° 30' 43.7" P.A. 208.00 sep 999.9 mag 3.52,6.49 Sp B8IV-+F4V dist. 47.13 pc (153.74 l.y.)

Coord 2000	02165-5131		Discov num	SHY 137		Comp	AC		Coord arcsec 2000	02 16 30.58 -51 30 43.7
Date first	1991		Date last	1999		Obs	3
Pa first	208		Pa last	207.9		P.A. Now (θ)	207.9°
Sep first	999.9		Sep last	9999.999		Sep. Now (ρ)	9999.999"
Mag pri	3.52		Mag sec	6.49		delta mag (ΔM)	2.97		Spectral class	B8IV-+F4V (blue-white/yellow-white)
Pri motion ra	+093		Sec motion ra	+091
Pri motion dec	-024		Sec motion dec	-025
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.023 (< 0.3, Physical double)

This double is 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

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