Acubens
HIP 44066; Alpha Cnc; 65 Cnc
HIP 44066; Alpha Cnc; 65 Cnc
DoubleStar
Cnc
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.25
Spectral Type
A5m
Star Color
White
(B-V 0.14)
Distance
135.9 ly
Position & Identifiers
RA
08h 58m 29.2s
Dec
+11° 51' 28.0"
Constellation
Cnc
HR
3572
HIP
44066
Bayer
Alpha
Flamsteed
65 Cnc
Double Cat
7115
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Visibility
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Multiple Star System
Components
3
Separation
10.3″
Companion Mag
11.8
Position Angle
321°
Star Colors
A: White
Discoverer
HJ 110
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 10.3″ · PA: 321° · 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
ADS 7115A is questioned close double. Combined mag., colors, 5.0, 5.0v, sep. 0.1". B is 10.8v at 11", binary.
Sirius group?
Spectrum shows phosphorus.
0.029".
Acubens; Sertan; Sartan.
Survey Image
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