Alshat
HIP 100310; Nu Cap; 8 Cap
HIP 100310; Nu Cap; 8 Cap
DoubleStar
Cap
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.76
Spectral Type
B9.5V
Star Color
Blue-white
(B-V -0.05)
Distance
155 ly
Position & Identifiers
RA
20h 20m 39.8s
Dec
-12° 45' 33.0"
Constellation
Cap
HR
7773
HIP
100310
Bayer
Nu
Flamsteed
8 Cap
Double Cat
13714
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Visibility
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Multiple Star System
Separation
53.2″
Companion Mag
11.8
Position Angle
211°
Star Colors
A: Blue-white
Discoverer
LAM 5
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 53.2″ · PA: 211° · 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 Fusion
Stellar Notes
CPM.
Alshat.
Occultation diam. = 0.0028 - 0.0036".
Survey Image
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