WebThe volume of space lying within 10 light-years of Sol encompasses nearly 4,189 cubic light-years. Within that enormous sphere, astronomers have detected at least 7.38 Solar … Web26 jul. 2015 · 4. The Hipparcos catalogue (use the revision by van Leeuwen 2007) contains trigonometric parallaxes and is complete down to about 9th magnitude. What this means …
List of star systems within 30–35 light-years - Wikipedia
WebList of nearest stars and brown dwarfs (up to 20 light-years) List of star systems within 20–25 light-years; List of star systems within 25–30 light-years; List of star systems within 30–35 light-years; List of star systems within 35–40 light-years; List of star systems within 40–45 light-years; List of star systems within 45–50 ... Web30 nov. 2016 · the largest traditional star catalogs contain a few hundred thousand stars. the tycho catalog contains a couple million, the URAT catalogs a couple hundred million. the supermajority of those stars have no distance information attached to them. they're just points on the celestial sphere. Edited by drollere, 02 December 2016 - 01:41 AM. liting nwu.edu.cn
Stars within 50 light years - Atlas of The Universe
Web9 mrt. 2012 · According to this there should be ~14,600 stars within 100 light years. Assuming a relatively homogenous distribution through space the number of stars should scale by the volume of the sphere, which is: 4/3TT (r^3) A 500 ly radius sphere has 125 times the volume of a 100 ly radius sphere 125 X 14,600 = 1.825 million stars mytg8 … Web86 rijen · List of star systems within 20–25 light-years. This is a list of star systems … The following is a list of particularly notable actual or hypothetical stars that have their own articles in Wikipedia, but are not included in the lists above. BPM 37093 — a diamond star Cygnus X-1 — X-ray source EBLM J0555-57Ab — is one of the smallest stars ever discovered. HR 465 — chemically-peculiar … Meer weergeven The following are lists of stars. These are astronomical objects that spend some portion of their existence generating energy through thermonuclear fusion. Meer weergeven • List of nearest stars and brown dwarfs (up to 20 light-years) • List of star systems within 20–25 light-years • List of star systems within 25–30 light-years Meer weergeven • List of brown dwarfs • List of collapsars (black holes) • List of notable variable stars • List of semiregular variable stars • List of stars that have unusual dimming periods Meer weergeven • Lists of stars by constellation Meer weergeven • List of traditional star names • List of Arabic star names • List of Chinese star names Meer weergeven • List of brightest stars • List of most luminous stars • List of most massive stars Meer weergeven • List of brightest stars and other record stars • List of extremes in the sky • List of hypothetical stars Meer weergeven liting ustb.edu.cn