Xi Cap
HIP 99572; Xi Cap; 2 Cap
HIP 99572; Xi Cap; 2 Cap
DoubleStar
Cap
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.85
Spectral Type
F7V
Star Color
Yellow
(B-V 0.48)
Distance
88.2 ly
Position & Identifiers
RA
20h 12m 25.9s
Dec
-12° 37' 03.0"
Constellation
Cap
HR
7715
HIP
99572
Bayer
Xi
Flamsteed
2 Cap
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Visibility
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Multiple Star System
Separation
90.5″
Companion Mag
12.8
Companion Sp
M0Vk
Position Angle
272°
Star Colors
A: Yellow
B: Red
Discoverer
BUP 206
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 90.5″ · PA: 272° · 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.
Survey Image
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