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HIP 101221

HIP 101221 DoubleStar Cap Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 6.12
Spectral Type gG5+F
Star Color Orange (B-V 0.79)

Position & Identifiers

RA 20h 31m 04.3s
Dec -15° 03' 23.0"
Constellation Cap
HR 7837
HIP 101221

Visibility

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Multiple Star System

Separation 0.1″
Companion Mag 7.0
Position Angle 337°
Star Colors A: Orange
Discoverer FIN 336

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 337° A (6.1) B (7.0)

Sep: 0.1″ · PA: 337° · 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

Also observed as occultation double, 6.6, 7.4v, sep. 0.1".

Survey Image

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