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HD 7977. HD 7977 (also designated as TYC 4034-1077-1 or USNO-A2 1500-01356484) is a G-type main-sequence star located in the constellation of Cassiopeia, around 246.9 light-years away from Earth. HD 7977 is notable for its close flyby of the Solar System 2.8 million years ago. [4] Its flyby may have taken it close enough to the Sun that it ...
SIMBAD. data. ARICNS. data. HD 140283 (also known as the Methuselah star) is a metal -poor subgiant star about 200 light years away from the Earth in the constellation Libra, near the boundary with Ophiuchus in the Milky Way Galaxy. Its apparent magnitude is 7.205, so it can be seen with binoculars. It is one of the oldest stars known.
HD 1, also known as HIP 422, is the first star catalogued in the Henry Draper Catalogue. It is located in the northern circumpolar constellation Cepheus and has an apparent magnitude of 7.42, [2] making it readily visible in binoculars, but not to the naked eye. The object is located relatively far away at a distance of 1,220 light years but is ...
HD 63433 d is the innermost planet in the system, orbiting its star at a distance of 0.0503 astronomical units (7,520,000 km) and completing one orbital period around it every 4 days and 5 hours. [1] The proximity of its star causes HD 63433 d to be scorching hot, having a daytime temperature estimated at 1,260 °C (2,300 °F), [1] [b] which is ...
WR 7. WR 7, HIP 35378, HD 56925, 2MASS J07182912-1313015. WR 7 (HD 56925) is a Wolf–Rayet star in the constellation of Canis Major. It lies at the centre of a complex bubble of gas which is shocked and partially ionised by the star's radiation and winds. The distance is uncertain, with estimates between 3.5 kiloparsecs (11,410 light-years ...
HD 10180, also designated 2MASS J01375356-6030414, is a Sun-like star in the southern constellation Hydrus that is notable for its large planetary system.Since its discovery, at least six exoplanets have been observed orbiting it, and some studies have proposed up to nine potential planets, which would make it potentially the largest of all known planetary systems, including the Solar System.
data. Przybylski's Star (pronounced / pʃɪˈbɪlskiːz / or / ʃɪˈbɪlskiːz /), or HD 101065, is a rapidly oscillating Ap star at roughly 356 light-years (109 parsecs) from the Sun in the southern constellation of Centaurus. It has a unique spectrum showing over-abundances of most rare-earth elements, including some short-lived radioactive ...
HD 164595 is a wide binary star [12] system in the northern constellation of Hercules. [1] The primary component of this pair hosts an orbiting exoplanet.The system is located at a distance of 92 light years from the Sun based on parallax measurements, [2] and is drifting further away with a radial velocity of 2.0 km/s. [6]
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