Upsilon Lup
HIP 75439; Upsilon Lup
DoubleStar
Lup
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.37
Range
5.36 - 5.38
Period
2.8 days
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
A0pSi
Star Color
Blue-white
(B-V -0.11)
Distance
408 ly
Position & Identifiers
RA
15h 24m 44.9s
Dec
-39° 42' 37.0"
Constellation
Lup
HR
5719
HIP
75439
Bayer
Upsilon
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Visibility
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Light Curve
Multiple Star System
Separation
1.6″
Companion Mag
10.9
Position Angle
58°
Star Colors
A: Blue-white
Discoverer
RST1839
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.6″ · PA: 58° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Spectrum variable.
Member of Pleiades group.
Survey Image
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