Surf Wiki
Save to docs
general/k-type-giants

From Surf Wiki (app.surf) — the open knowledge base

51 Orionis

Star in the constellation of Orion

Star in the constellation of Orion

| b-v = +1.17 | u-b = +1.06

51 Orionis is a single star in the equatorial constellation of Orion. It has the Bayer designation b Orionis, while 51 Orionis is the Flamsteed designation. This object is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.90. It is located approximately 299 light-years away from the Sun based on parallax, and is drifting further away with a radial velocity of +88 km/s.

This is an aging giant star with a stellar classification of K1III, having exhausted the supply of hydrogen at its core and expanded to 19 times the Sun's radius. It is four billion years old with 1.11 times the mass of the Sun. The star is radiating 132 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,458 K.

References

| doi-access=free | bibcode=2008MNRAS.389..869E | arxiv=0806.2878 | s2cid=14878976 }}

| display-authors=1 | journal=The Astronomical Journal

| display-authors=1 | last1=Da Silva | first1=Ronaldo

| display-authors=1 | last1=Wu | first1=Yue

References

  1. "51 Ori".
  2. {{Cite Gaia DR2. 3222908175762554496
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

k-type-giants orion-(constellation) bayer-objects durchmusterung-objects flamsteed-objects henry-draper-catalogue-objects hipparcos-objects bright-star-catalogue-objects
Want to explore this topic further?

Ask Mako anything about 51 Orionis — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report