Wolf 359: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
←Membuat halaman berisi '{{Starbox begin|name=Wolf 359}} {{Starbox image|image=250px|caption=}} {{Starbox observe|epoch=J2000|constell=Leo|ra={{RA|10|56|...' |
|||
Baris 17:
== Properti ==
<span data-segmentid="264" class="cx-segment">Wolf 359 memiliki [[klasifikasi bintang]] M6.5, <ref name="mnras245_3"><cite class="citation journal">Mukai, K.; et al. (August 1990). "Spectroscopy of faint, high latitude cataclysmic variable candidates". ''[[Monthly Notices of the Royal Astronomical Society]]''. '''245''' (3): 385–391. [[Bibcode]]:[[bibcode:1990MNRAS.245..385M|1990MNRAS.245..385M]].</cite></ref> meskipun berbagai sumber mencantumkan kelas spektral M5.5, <ref name="aaa466"><cite class="citation journal">Reiners, A.; et al. (2007). "Rapid magnetic flux variability on the flare star CN Leonis". ''Astronomy and Astrophysics''. '''466''' (2): L13–L16. [[arXiv]]:<span class="cs1-lock-free" title="Freely accessible">[//arxiv.org/abs/astro-ph/0703172 astro-ph/0703172]</span>. [[Bibcode]]:[[bibcode:2007A&A...466L..13R|2007A&A...466L..13R]]. [[Digital object identifier|doi]]:[[doi:10.1051/0004-6361:20077095|10.1051/0004-6361:20077095]].</cite></ref> M6 <ref name="RECONS"><cite class="citation web">Staff (June 8, 2007). [http://joy.chara.gsu.edu/RECONS/ "List of the nearest 100 stellar systems"]. Research Consortium on Nearby Stars<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-07-16</span></span>.</cite></ref> atau M8. <ref name="apj451"><cite class="citation journal">Robinson, R. D.; et al. (1995). "A search for microflaring activity on dMe flare stars. I. Observations of the dM8e Star CN Leonis". ''Astrophysical Journal''. '''451''': 795–805. [[Bibcode]]:[[bibcode:1995ApJ...451..795R|1995ApJ...451..795R]]. [[Digital object identifier|doi]]:[[doi:10.1086/176266|10.1086/176266]].</cite></ref></span> <span data-segmentid="266" class="cx-segment">[[Klasifikasi bintang|Bintang tipe M]] dikenal sebagai [[katai merah]] : disebut merah karena emisi energi bintang mencapai puncak di bagian spektrum merah dan inframerah. <ref name="jones09"><cite class="citation book">Jones, Lauren V. (2009). ''Stars and galaxies''. Greenwood Guides to the Universe. ABC-CLIO. p. 50. [[International Standard Book Number|ISBN]] [[Special:BookSources/978-0-313-34075-8|<bdi>978-0-313-34075-8</bdi>]].</cite></ref></span> <span data-segmentid="269" class="cx-segment">Wolf 359 memiliki luminositas yang sangat rendah, memancarkan sekitar 0,1% dari [[Luminositas matahari|energi Matahari]]
[[Berkas:Wolf359.jpg|ka|jmpl|<span data-segmentid="195" class="cx-segment">Wolf 359 adalah bintang berwarna oranye yang terletak tepat di atas pusat [[Astrofotografi|astrophotograph]] 2009 ini.</span>]]
<span data-segmentid="273" class="cx-segment">Pada perkiraan 9% [[Massa matahari|massa Matahari]], Wolf 359 tepat di atas batas terendah di mana bintang dapat melakukan [[Fusi nuklir|fusi hidrogen]] melalui [[Reaksi rantai proton-proton|reaksi berantai proton-proton]] : 8% dari massa Matahari. <ref name="apj296"><cite class="citation journal">Dantona, F.; et al. (September 15, 1985). "Evolution of very low mass stars and brown dwarfs. I - The minimum main-sequence mass and luminosity". ''Astrophysical Journal, Part 1''. '''296''': 502–513. [[Bibcode]]:[[bibcode:1985ApJ...296..502D|1985ApJ...296..502D]]. [[Digital object identifier|doi]]:[[doi:10.1086/163470|10.1086/163470]].</cite></ref></span> <span data-segmentid="277" class="cx-segment">([[ Objek substellar|Benda-benda bintang]] di bawah batas ini dikenal sebagai [[katai coklat]]</span><span data-segmentid="280" class="cx-segment">) Jari-jari Wolf 359 diperkirakan 16% dari [[Radius matahari|jari-jari Matahari]], atau sekitar 110.000 km <ref name="apjl500_L195"><cite class="citation journal">[[Jørgen Christensen-Dalsgaard|Brown, T. M.]]; et al. (1998). "Accurate determination of the solar photospheric radius". ''Astrophysical Journal Letters''. '''500''' (2): L195. [[arXiv]]:<span class="cs1-lock-free" title="Freely accessible">[//arxiv.org/abs/astro-ph/9803131 astro-ph/9803131]</span>. [[Bibcode]]:[[bibcode:1998ApJ...500L.195B|1998ApJ...500L.195B]]. [[Digital object identifier|doi]]:[[doi:10.1086/311416|10.1086/311416]].</cite> The radius of the Sun is 695.5 Mm. 16% of this is 111 Mm.</ref></span> <span data-segmentid="282" class="cx-segment">Sebagai perbandingan, jari-jari khatulistiwa planet [[Yupiter|Jupiter]] adalah 71.492 km, yang 65% lebih besar dari Wolf 359. <ref name="nasa10"><cite class="citation web">Harvey, Samantha (March 4, 2010). [http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Facts "Jupiter: facts & figures"]. ''Solar System Exploration''. NASA<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-05-28</span></span>.</cite></ref></span>
|