47 Cas

HIP 9727; 47 Cas DoubleStar Cas Visible Level 2 Small telescope (4") - Requires steady seeing

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 5.38

Spectral Type F0Vn

Star Color Yellow-white (B-V 0.31)

Distance 116.5 ly

Position & Identifiers

RA 02h 05m 07.4s

Dec +77° 16' 53.0"

Constellation Cas

HR 581

HIP 9727

Flamsteed 47 Cas

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 97.2″

Companion Mag 10.1

Position Angle 211°

Star Colors A: Yellow-white B: Yellow

Discoverer SHJ 22

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 97.2″ · PA: 211° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

Querying VizieR for stellar data…

Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

Loading HR diagram…

Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Survey Image

Loading survey image…