Phi Lup
HIP 75177; Phi1 Lup
HIP 75177; Phi1 Lup
DoubleStar
Lup
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.56
Spectral Type
K4III
Star Color
Red
(B-V 1.54)
Distance
274.9 ly
Position & Identifiers
RA
15h 21m 48.4s
Dec
-36° 15' 41.0"
Constellation
Lup
HR
5705
HIP
75177
Bayer
Phi1
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
16.7″
Companion Mag
15.0
Position Angle
240°
Star Colors
A: Red
Discoverer
SEE 229
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 16.7″ · PA: 240° · N up, E left
Resolved · 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 Notes
Hyades group; Zeta Her group.
Ultraviolet FeII emission.
Survey Image
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