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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
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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

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
N E 321° A (4.2) B (11.8)

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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