How Is a Luminosity Class Assigned to a Star

question 71

Multiple Choice

How is a luminosity class assigned to a star

• A)by combining the apparent magnitude with the star's parallax
• B)by measuring the period of variability in the star's apparent magnitude
• C)by studying the absorption line width in the spectrum of the star
• D)by observing the angular size of the star's image in a photograph or digital image

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Definitions:

Common Stock

A type of equity security that represents ownership in a corporation and entitles its holders to vote on corporate matters and receive dividends.

Journal Entries

The records of financial transactions in the accounting system that document the effects on accounts in a double-entry bookkeeping system.

Dividend Yield

A metric showing the annual dividends a company distributes in comparison to its stock price.

Preferred Shareholders

Investors who own preferred shares in a company, usually entitled to dividends before common shareholders and with certain other financial rights.