| 词条 | NGC 6871 |
| 释义 |
| image = NGC_6871.png | caption= NGC 6871, taken from Stellarium | name = NGC 6871 | epoch = J2000 | class = - | ra = {{RA|20|05|59}}[1] | dec = {{DEC|+35|46.6}}[1] | constellation = Cygnus | dist_ly = 5133 ly | dist_pc = 1574 pc[2] | appmag_v = 5.2[3] | size_v = | mass_kg = | mass_msol = - | radius_ly = - | v_hb = - | age = 9.1 million years | notes = Presence of eclipsing binary stars [4] | names = GC 4548, h 2067, Struve 2630[3] }} NGC 6871 is a small, young open cluster in the constellation of Cygnus. The cluster has less than 50 members, most of which are blue and white stars. It is located 5135 light-years from Earth. References1. ^1 {{cite simbad | title=NGC 869 | accessdate=2012-09-21}} 2. ^{{cite web | work= WEBDA Database | title=Results for NGC 6871 | url=http://www.univie.ac.at/webda/ | accessdate=2012-09-21}} 3. ^1 {{cite web | work=SEDS' Interactive NGC Catalog Online | title=Results for NGC 6871 | url=http://spider.seds.org/ngc/ngc.html | accessdate=2012-09-21}} 4. ^{{cite web | title=Astronomy Magazine | work=NGC 6871 - open cluster in Cygnus | url=http://cs.astronomy.com/asy/m/starclusters/450561.aspx | accessdate=2015-08-18}} External links
3 : Open clusters|Cygnus (constellation)|NGC objects |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。