HIP 5251
HIP 5251
DoubleStar
Cas
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.38
Spectral Type
K2III
Position & Identifiers
RA
01h 07m 09.5s
Dec
+53° 29' 54.0"
Constellation
Cas
HR
318
HIP
5251
Double Cat
915
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
20.1″
Companion Mag
10.6
Position Angle
75°
Discoverer
H 4 66
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.1″ · PA: 75° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
AB optical.
Survey Image
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