18 Lib
HIP 73310; 18 Lib
DoubleStar
Lib
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.87
Spectral Type
K3-IIICN1
Star Color
Red
(B-V 1.26)
Position & Identifiers
RA
14h 58m 53.6s
Dec
-11° 08' 39.0"
Constellation
Lib
HR
5582
HIP
73310
Flamsteed
18 Lib
Double Cat
9456
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
19.9″
Companion Mag
9.8
Position Angle
38°
Star Colors
A: Red
Discoverer
STF1894
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 19.9″ · PA: 38° · 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
AB CPM. B is G8V.
Comp. A = Lambda4150 star with abnormally strong CN.
Survey Image
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