4 Cas
HIP 115590; 4 Cas
DoubleStar
Cas
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.98
Spectral Type
M1III
Star Color
Red
(B-V 1.68)
Distance
465.9 ly
Position & Identifiers
RA
23h 24m 50.3s
Dec
+62° 16' 58.0"
Constellation
Cas
HR
8904
HIP
115590
Flamsteed
4 Cas
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
96.4″
Companion Mag
9.9
Position Angle
226°
Star Colors
A: Red
Discoverer
H 6 24
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 96.4″ · PA: 226° · 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
NGC 7654 #923 (M52); Wolf 630 group.
Survey Image
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