HIP 4151
HIP 4151
DoubleStar
Cas
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.82
Spectral Type
F8V
Star Color
Yellow
(B-V 0.53)
Distance
49.4 ly
Position & Identifiers
RA
00h 53m 04.1s
Dec
+61° 07' 27.0"
Constellation
Cas
HR
244
HIP
4151
Double Cat
721
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Visibility
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Multiple Star System
Components
5
Component IDs
AB
Separation
146.0″
Companion Mag
9.8
Position Angle
170°
Star Colors
A: Yellow
B: Red
Discoverer
BU 497
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 146.0″ · PA: 170° · 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
ADS 721A, 127.951d, K 1.6k/s, V0 +22.5k/s, asini 2.35. Orbit questioned by Morbey and Griffin (1987, ApJ, | 317, 343); proposed period rejected with certainty. Unresolved by speckle interferometry.
Ultraviolet deficiency.
Survey Image
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