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HIP 30217

HIP 30217 DoubleStar Mon Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 6.31
Spectral Type A4.5V
Star Color Yellow-white (B-V 0.24)
Distance 271.8 ly

Position & Identifiers

RA 06h 21m 25.8s
Dec +02° 16' 07.0"
Constellation Mon
HR 2280
HIP 30217
Double Cat 4971

Visibility

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Multiple Star System

Separation 0.3″
Companion Mag 8.0
Position Angle 294°
Star Colors A: Yellow-white B: Yellow
Discoverer A 2667

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 294° A (6.3) B (8.0)

Sep: 0.3″ · PA: 294° · 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

ADS 4971, 6.3 - 6.37V, combined mag. Difference between components varies from 0.2 to 1.5V. Uncertain which component is | var.
6.8 A3V, 7.4 A6V, 120y, a = 0.448".

Survey Image

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