Menu

HIP 104579

HIP 104579 DoubleStar Cyg Visible Level 3 Medium telescope (6-8") - Requires steady seeing
Star Map Add to List Add to Plan
Back to Catalog

Physical Properties

Magnitude 6.54
Spectral Type B1Vp
Star Color Blue-white (B-V -0.14)

Position & Identifiers

RA 21h 11m 03.9s
Dec +36° 17' 57.0"
Constellation Cyg
HR 8105
HIP 104579
Variable ID Var
Double Cat 14724

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 21.2″
Companion Mag 12.1
Position Angle 211°
Star Colors A: Blue-white
Discoverer HO 283

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 211° A (6.5) B (12.1)

Sep: 21.2″ · 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.

Stellar Notes

Companion B8V.
Cyg OB4.

Survey Image

Loading survey image…