Menu

V539 Ara

Observable Variable Star Excellent (66/100)

Range: 5.71 - 6.24, Period: 3.2d, Type: EA+SPB

HIP 87314 VariableStar Ara Visible Level 2 Small telescope (4") - Monitor brightness changes
Star Map
Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 5.92
Range 5.71 - 6.24
Period 3.2 days
Variable Type Eclipsing Binary (Algol-type)
Spectral Type B2V+B3V
Star Color Blue-white (B-V -0.08)

Position & Identifiers

RA 17h 50m 28.2s
Dec -53° 36' 44.0"
Constellation Ara
HR 6622
HIP 87314
Variable ID V539 Ara

Visibility

Set a location in User Settings to see visibility data.

Light Curve

Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

Loading comparison stars…

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

EA 5.66 - 6.18V, 3.169128d.
3.170d, K 154k/s, V0 -6k/s, msin3i 6.67, asini 6.71. Equal components. vsini secondary 119k/s.
Sometimes called Upsilon1 Ara, more often Nu1; generally no letter.

Survey Image

Loading survey image…

}