04179-3348 HUB 3 AB (Ups4 Eri)

Coord 2000	04179-3348		Discov num	HUB   3		Comp	AB		Coord arcsec 2000	04 17 53.62 -33 47 54.0
Date first	1999		Date last	2016		Obs	2
Pa first	163		Pa last	162.8		P.A. Now (θ)	162.8°
Sep first	5.3		Sep last	5.455		Sep. Now (ρ)	5.455"
Mag pri	3.87		Mag sec	9.90		delta mag (ΔM)	6.03		Spectral class	B9V (blue-white)
Pri motion ra	+070		Sec motion ra
Pri motion dec	-034		Sec motion dec
Notes	N K (See Notes, 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 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		194902	04 17 54 -33 47 54	HMM 2 Aa1,2	2014	10	33	0.0	4.60	4.65	0.05	Y
Show		194902	04 17 54 -33 47 54	I 270 Aa,Ab	1933	6	343	0.1	3.56	4.00	0.44
Show	Ups4 Eri	194902	04 17 54 -33 47 54	HUB 3 AB	2016	2	163	5.5	3.87	9.90	6.03		<===
Show		194902	04 17 54 -33 47 54	HJ 3636 AC	1998	3	8	49.0	3.87	11.80	7.93

Quintuple system
3 estimated visually detectable stars in this system

Name	Ups4 Eri		Constellation	Eridanus		SAO	194902		HIP	20042
Tycho2	7040-01534-1		Gaia DR2	4870527586936740480		HD	27376		HR	1347
GC	5201		CD	CD-34 1614		CP	CP-34 466		Bayer	Upsilon 4 Eridani
Bayer name	Ups4 Eri		Flamsteed	41 Eridani		Flamsteed name	41 Eri		Distance	54.56
Distance ly	177.97		Bayer greek	υ4 Eri