Phi And

HIP 5434; Phi And; 42 And DoubleStar And Visible Level 5 Expert level - Requires steady seeing

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 4.25

Spectral Type B7Ve

Star Color Blue-white (B-V -0.07)

Distance 1087.2 ly

Position & Identifiers

RA 01h 09m 30.2s

Dec +47° 14' 31.0"

Constellation And

HR 335

HIP 5434

Bayer Phi

Flamsteed 42 And

Variable ID Var?

Double Cat 940

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 0.5″

Companion Mag 5.6

Position Angle 114°

Star Colors A: Blue-white B: White

Discoverer STT 515

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.5″ · PA: 114° · N up, E left

Unresolved · 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

Double Star

4.6 B6IV, 5.5 B9V, 371.6y, a = 0.447". Combined mag., colors. Masses 16 and 10 solar. Resolved by speckle | interferometry 1983.93, sep. 0.64".

Spectral

Also classified B7III, B9IIIe.

Dynamical

0.003".

Survey Image

Loading survey image…