Deneb Algedi

Visual magnitude 2.84

Deneb Algedi is a relatively bright star located within the Cap constellation, designated as a magnitude 2.837. This star measures 37.95 light years away from Earth. Its position in the sky is defined by RA 326.7614°, Dec -16.1286°. It does not currently

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 .

How to see it

Deneb Algedi has a visual magnitude of about 2.84: under a reasonably dark sky it is typically reachable with the unaided eye.

Sky position

Equatorial coordinates for Deneb Algedi: right ascension 21h 47m 3s, declination −16° 7′ 43″ (J2000), on the celestial sphere.

Catalog context

Deneb Algedi. It appears in classical and modern catalogs as Bayer/Flamsteed designation 49Del Cap, HIP 107556, HD 207098, Gaia DR3 6838311796136238976.

Catalog identifiers

Gaia
Gaia DR3 6838311796136238976
HIP
107556
HD
207098
gaia_dr3
6838311796136238976
Bayer / Flamsteed
49Del Cap

Observed properties

Visual magnitude
2.84

Topics

  • Deneb Algedi
  • 49Del Cap
  • Gaia DR3 6838311796136238976
  • 6838311796136238976
  • HIP 107556
  • HD 207098
  • gaia_dr3
  • Gaia DR3 star
  • sky map
  • constellation