Catalog/Capricornus/Deneb Algedi

Deneb Algedi

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49Del Cap · Capricornus

Its story

Due to its central location and relative distance, Deneb Algedi is easily recognizable as a significant star in the evening sky. It is predominantly considered a variable star of the spectral type of G-subgiant, giving it a noticeable and consistent brightness. Its long-term velocity, measured through parallax of 85.94 mas, suggests it’s exhibiting a moderate proper motion of approximately 259.7 mas/year. This motion places it relatively close to other stars in its constellation.

The prominence of Deneb Algedi as a relatively long-lived star – particularly its observed lifetime and energy output – is noteworthy. This type of star provides a stable link for the formation of larger planetary systems, representing a crucial component within our solar system’s formation timeline. It is a well-established member of a population known for its relatively low-to-medium luminosity. Given its position in the Cap constellation, it’s often encountered as an easily identifiable point of light in the night sky, a celestial body steadily visible to the eye.

Observing Deneb Algedi offers a captivating glimpse into the dynamic processes occurring within star systems. The magnitude of 2.837 suggests a fairly ordinary star; it does not display noteworthy irregularities or unusual characteristics that might lend it a memorable or captivating identifier. It is an example of stellar luminosity and stability that demonstrates the fundamental principles underpinning the formation and evolution of planets within solar systems .

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Compose this star
FactsHIP 107556
Right ascension
21h 47m 03s
Declination
−16° 07′ 43″
Magnitude
2.84
Distance
≈ 38 ly
Data: gaia-dr3