HIP 7251
HIP 7251
DoubleStar
Cas
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.70
Spectral Type
K0Ib+B9V
Star Color
Red
(B-V 1.52)
Position & Identifiers
RA
01h 33m 25.8s
Dec
+58° 19' 39.0"
Constellation
Cas
HR
439
HIP
7251
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Visibility
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Multiple Star System
Separation
0.1″
Companion Sp
B9V
Position Angle
125°
Star Colors
A: Red
B: Blue-white
Discoverer
MCA 3
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 125° · N up, E left
Unresolved · 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
Unresolved by speckle interferometry 1983.94.
Also classified K3Ib-II + B9V. vsini of secondary 200k/s.
Survey Image
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