Phi Cas
HIP 6242; Phi Cas; 34 Cas
DoubleStar
Cas
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.98
Spectral Type
F0Ia
Star Color
Orange
(B-V 0.68)
Position & Identifiers
RA
01h 20m 04.9s
Dec
+58° 13' 54.0"
Constellation
Cas
HR
382
HIP
6242
Bayer
Phi
Flamsteed
34 Cas
Double Cat
1073
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Visibility
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Multiple Star System
Components
5
Component IDs
AC
Separation
48.4″
Companion Mag
12.3
Position Angle
209°
Star Colors
A: Orange
Discoverer
H 3 23
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 48.4″ · PA: 209° · 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 1073, quintuple system: A = NGC 457 #136; B, 12.3v at 49"; C = NGC 457 #131 = HD 7902, 6.99V, +0.42(B-V), | -0.38(U-B), B5Ia at 134", vsini =<25k/s; D, 10.19V, +0.29(B-V), -0.47(U-B) at 179"; E, 10.63V, +0.28(B-V), -0.52(U-B) at | 170".
In open cluster NGC 457, #136.
Survey Image
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