Menu

Lambda Aur

Observable Double Star Good (45/100)

Sep: 146.6", B, 13.4v at 29". C, 12.1v at 42" and D, optical.

HIP 24813; Lambda Aur; 15 Aur DoubleStar Aur Visible Level 1 Naked eye / Binoculars - Requires steady seeing
Star Map Add to List Add to Plan
Back to Catalog

Physical Properties

Magnitude 4.71
Spectral Type G1.5IV-VFe-1
Star Color Yellow (B-V 0.63)
Distance 49.4 ly

Position & Identifiers

RA 05h 19m 08.5s
Dec +40° 05' 57.0"
Constellation Aur
HR 1729
HIP 24813
Bayer Lambda
Flamsteed 15 Aur
Double Cat 3886

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Components 6
Component IDs AD
Separation 146.6″
Position Angle 349°
Star Colors A: Yellow

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 349° A (4.7) B (6.7)

Sep: 146.6″ · PA: 349° · 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

B, 13.4v at 29". C, 12.1v at 42" and D, optical.
Epsilon Ind group.

Survey Image

Loading survey image…