HIP 7751
Observable Double Star
Excellent (67/100)
Sep: 11.3", Companion: mag 5.9
HIP 7751
DoubleStar
Eri
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.76
Spectral Type
K5V
Star Color
Orange
(B-V 0.87)
Distance
21.5 ly
Position & Identifiers
RA
01h 39m 47.8s
Dec
-56° 11' 41.0"
Constellation
Eri
HR
487
HIP
7751
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Visibility
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Multiple Star System
Separation
11.3″
Companion Mag
5.9
Companion Sp
K5V
Position Angle
185°
Star Colors
A: Orange
B: Red
Discoverer
DUN 5
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 11.3″ · PA: 185° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
AB 5.79 K0V, 5.83 K0V, 483.66y, a = 7.817". B is HR 486. Combined light HR 486-487, 5.07V. Spectra also classified | K1V, K1.5V.
0.108".
Survey Image
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