HD 224355
An eclipsing binary in Cassiopeia, one of few with three measured orbit types.
HD 224355, also known as V1022 Cassiopeiae, is an eclipsing binary star in Cassiopeia. It is one of the few binaries known to be an astrometric, spectroscopic and eclipsing binary, allowing highly accurate calculation of its parameters. The system ranges in apparent magnitude from 5.57 to 5.68, faintly visible to the naked eye away from city lights. Both components are slightly more massive than the Sun, F5 or F6 stars about 1.9 billion years old and near the end of their main sequence lives, each roughly 2.5 times the Sun's radius and 9 or 10 times as luminous.
Quick Facts
- Designations
- HD 224355
- V1022 Cassiopeiae
- HR 9059
- Boss 6148
- Constellation
- Cassiopeia
- Apparent magnitude range
- 5.57 to 5.68
- Binary type
- Eclipsing binary (Algol-type), also astrometric and spectroscopic
- Orbital eccentricity
- 0.278
- Component spectral types
- F5 or F6
- Age
- 1.9 billion years
Facts from the source article.
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