HIP 42570
HIP 42570
DoubleStar
Vel
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.84
Spectral Type
F0Ia
Star Color
Orange
(B-V 0.71)
Distance
4868.0 ly
Position & Identifiers
RA
08h 40m 37.6s
Dec
-46° 38' 56.0"
Constellation
Vel
HR
3445
HIP
42570
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Visibility
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Multiple Star System
Separation
37.2″
Companion Mag
10.3
Position Angle
58°
Star Colors
A: Orange
Discoverer
HJ 4127
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 37.2″ · PA: 58° · 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
U-B values scatter from +0.22 to +0.54.
Vel OB1.
Survey Image
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