HIP 99457
HIP 99457
DoubleStar
Cap
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.49
Spectral Type
B1V
Star Color
Blue-white
(B-V -0.15)
Position & Identifiers
RA
20h 11m 10.1s
Dec
-08° 50' 32.0"
Constellation
Cap
HR
7709
HIP
99457
Variable ID
Var
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Visibility
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Multiple Star System
Separation
3.5″
Companion Mag
11.8
Position Angle
150°
Star Colors
A: Blue-white
Discoverer
OUD 8
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.5″ · PA: 150° · 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
Amp. 0.3V, 0.09U, 16.82d. Magnetic var.
Survey Image
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