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HIP 28500

HIP 28500 DoubleStar Gem Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 6.05
Spectral Type B9Iab
Star Color Yellow-white (B-V 0.25)

Position & Identifiers

RA 06h 01m 00.4s
Dec +27° 34' 20.0"
Constellation Gem
HR 2111
HIP 28500
Double Cat 4589

Visibility

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Multiple Star System

Separation 9.5″
Companion Mag 12.4
Position Angle 242°
Star Colors A: Yellow-white
Discoverer HO 21

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 242° A (6.0) B (12.4)

Sep: 9.5″ · PA: 242° · 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

Optical.
Gem OB1.

Survey Image

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