HIP 57851
Observable Double Star
Fair (27/100)
Sep: 1.4", Companion: mag 7.2
HIP 57851
DoubleStar
Mus
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.90
Spectral Type
B4V
Star Color
Blue-white
(B-V -0.11)
Position & Identifiers
RA
11h 51m 51.2s
Dec
-65° 12' 22.0"
Constellation
Mus
HR
4549
HIP
57851
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Visibility
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Multiple Star System
Separation
1.4″
Companion Mag
7.2
Position Angle
158°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
COO 130
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.4″ · PA: 158° · N up, E left
Unresolved · 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
Combined mag., colors.
Sco-Cen assoc.
Survey Image
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