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Delta Lib

Observable Variable Star Excellent (70/100)

Range: 4.9 - 5.9, Period: 2.3d, Type: EA/SD

HIP 73473; Delta Lib; 19 Lib VariableStar Libra (Lib) Visible Level 2 Small telescope (4") - Monitor brightness changes
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Physical Properties

Magnitude 4.92
Range 4.9 - 5.9
Period 2.3 days
Variable Type Eclipsing Binary (Algol-type)
Spectral Type B9.5V
Star Color White (B-V 0.00)
Distance 163 ly

Position & Identifiers

RA 15h 00m 58.4s
Dec -08° 31' 08.0"
Constellation Libra (Lib)
HR 5586
HIP 73473
Bayer Delta
Flamsteed 19 Lib
Variable ID Del Lib

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Stellar Notes

EA 4.92 - 5.90V, 2.32735297d, period may vary. Component A of quadruple system. Contact binary.
2.3273d, K 78.3k/s, V0 -36.4k/s, asini 2.50. Orbital period variable. Masses 2.6, 1.1 solar.
Zuben Elakribi.

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