Phi And
HIP 5434; Phi And; 42 And
DoubleStar
And
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.25
Spectral Type
B7Ve
Star Color
Blue-white
(B-V -0.07)
Distance
1,087 ly
Position & Identifiers
RA
01h 09m 30.2s
Dec
+47° 14' 31.0"
Constellation
And
HR
335
HIP
5434
Bayer
Phi
Flamsteed
42 And
Variable ID
Var?
Double Cat
940
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Visibility
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Multiple Star System
Separation
0.5″
Companion Mag
5.6
Position Angle
114°
Star Colors
A: Blue-white
B: White
Discoverer
STT 515
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.5″ · PA: 114° · 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 Fusion
Stellar Notes
4.6 B6IV, 5.5 B9V, 371.6y, a = 0.447". Combined mag., colors. Masses 16 and 10 solar. Resolved by speckle | interferometry 1983.93, sep. 0.64".
Also classified B7III, B9IIIe.
0.003".
Survey Image
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