List of articles in "Celestial Body" category - Page 725

Gamma Doradus (Gamma Dor γ Doradus γ Dor) is the third brightest star in the constellation of Dorado. It has an apparent visual magnitude of approximately 4.25 and is a […]

HR 8799 d is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus orbiting the 6th magnitude Lambda Boötis star HR 8799. It has a mass […]

A Lambda Boötis star is a type of peculiar star which has an unusually low abundance of iron peak elements in its surface layers. One possible explanation for this is […]

HR 8799 is a young (~30 million-year-old) main-sequence star located 129 light years (39 parsecs) away from Earth in the constellation of Pegasus with roughly 1.5 times the Sun’s mass […]

GX 339-4 is a moderately strong variable galactic low-mass X-ray binary (LMXB) source and black-hole candidate that flares from time to time.During the outbursts GX 339-4 shows evolution of quasi-periodic […]

Exozodiacal dust is the exoplanetary analog of zodiacal dust the 1-100 micrometre-sized grains of amorphous carbon and silicate dust that fill the plane of the solar system especially interior to […]

S Monocerotis also known as 15 Monocerotis is a massive variable star system located in the constellation Monoceros. It is a spectroscopic binary system with an orbital period of 74 […]

54 Leonis A/B is a binary star in the Leo constellation. It is located about 290 lightyears or 89 parsecs from the Earth.This star has 2.59 times the mass of […]

HD 43848 is a 9th magnitude K-type subgiant star located approximately 123 light-years away in the constellation of Columba. The star is less massive than the Sun.On October 29 2008 […]

HD 48265 b is an extrasolar planet located approximately 285 light-years away in the constellation of Puppis orbiting the 8th magnitude G-type main sequence star HD 48265. This planet has […]