Eta And

HIP 4463; Eta And; 38 And DoubleStar And Visible Level 3 Medium telescope (6-8") - Requires steady seeing

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 4.42

Spectral Type G8IIIb

Star Color Orange (B-V 0.94)

Distance 362.4 ly

Position & Identifiers

RA 00h 57m 12.4s

Dec +23° 25' 03.0"

Constellation And

HR 271

HIP 4463

Bayer Eta

Flamsteed 38 And

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 129.3″

Companion Mag 12.3

Position Angle 232°

Star Colors A: Orange

Discoverer FOX 116

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 129.3″ · PA: 232° · 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.

Stellar Notes

Spectroscopic Binary

115.71d, K 17.9k/s, V0 -10.3k/s, msin3i 0.338, asini 28.5; both components vsini <17k/s.

Group/Cluster

UMa stream.

Survey Image

Loading survey image…