HIP 51561
Observable Double Star
Excellent (67/100)
Sep: 13.7", Companion: mag 6.0
HIP 51561
DoubleStar
Vel
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.74
Spectral Type
B6II
Star Color
Blue-white
(B-V -0.15)
Position & Identifiers
RA
10h 31m 57.5s
Dec
-45° 04' 00.0"
Constellation
Vel
HR
4135
HIP
51561
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Visibility
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Multiple Star System
Separation
13.7″
Companion Mag
6.0
Position Angle
218°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
PZ 3
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 13.7″ · PA: 218° · 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
Fixed with HR 4136. Mag. and color for combined light, 5.16V, -0.15(B-V), -0.62(U-B).
Survey Image
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