Menu

Brachium

HIP 73714; Sigma Lib; 20 Lib

HIP 73714; Sigma Lib; 20 Lib Star Libra (Lib) Visible Level 1 Naked eye / Binoculars
Star Map
Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 3.29
Range 3.2 - 3.46
Period 20.0 days
Variable Type Semi-Regular Variable (Late-type Giant)
Spectral Type M2.5III
Star Color Red (B-V 1.70)
Distance 288 ly

Position & Identifiers

RA 15h 04m 04.2s
Dec -25° 16' 55.0"
Constellation Libra (Lib)
HR 5603
HIP 73714
Bayer Sigma
Flamsteed 20 Lib
Variable ID Sig Lib

Visibility

Set a location in User Settings to see visibility data.

Size Comparison

Querying VizieR for stellar data…

Compare Stars

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 Fusion

Stellar Notes

SRb 3.20 - 3.46V, 20d.
Ultraviolet FeII emission.
Brachium; Cornu; Zuben el Genubi; Zuban al Akrab; Zuben Hakrabi. Sigma Lib is also Gamma Sco, in Lib.

Light Travel Time Machine

Relativistic Travel

Survey Image

Loading survey image…

}