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Iota Cnc

HIP 43103; Iota Cnc; 48 Cnc

Observable Double Star Excellent (70/100)

Sep: 30.6", Companion: mag 6.0

HIP 43103; Iota Cnc; 48 Cnc DoubleStar Cnc Visible Level 2 Small telescope (4") - Requires steady seeing
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Physical Properties

Magnitude 4.02
Spectral Type G7.5IIIaBa0.1
Star Color Orange (B-V 1.01)
Distance 191.9 ly

Position & Identifiers

RA 08h 46m 41.8s
Dec +28° 45' 36.0"
Constellation Cnc
HR 3475
HIP 43103
Bayer Iota
Flamsteed 48 Cnc
Double Cat 6988

Visibility

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Multiple Star System

Separation 30.6″
Companion Mag 6.0
Companion Sp A2V
Position Angle 308°
Star Colors A: Orange B: White
Discoverer STF1268

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 308° A (4.0) B (6.0)

Sep: 30.6″ · PA: 308° · 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

Probably NSV 4238.
Binary with HR 3474.
Also classified G8II.
0.023".

Survey Image

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