{"id":1028,"date":"2017-08-08T13:14:08","date_gmt":"2017-08-08T17:14:08","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/back-matter\/a-10-the-brightest-twenty-stars\/"},"modified":"2017-08-08T13:14:08","modified_gmt":"2017-08-08T17:14:08","slug":"a-10-the-brightest-twenty-stars","status":"publish","type":"back-matter","link":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/back-matter\/a-10-the-brightest-twenty-stars\/","title":{"raw":"A.10 The Brightest Twenty Stars","rendered":"A.10 The Brightest Twenty Stars"},"content":{"raw":"\n<figure id=\"OSC_Astro_AstroTable_Brightest20_App_J\">\n[caption id=\"\" align=\"aligncenter\" width=\"975\"]<img src=\"https:\/\/pressbooks.bccampus.ca\/practicalphysics1104\/wp-content\/uploads\/sites\/302\/2017\/08\/OSC_Astro_AstroTable_Brightest20_App_J-1.jpg\" alt=\"A table titled \u201cThe Brightest Twenty Stars\u201d with eleven columns and twenty-one rows. The first row is a header row and labels each column: \u201cTraditional Name footnote: The brightest stars typically have names from antiquity. Next to each star\u2019s ancient name, we have added a column with its name in the system originated by Bayer\u201d, \u201cBayer Name\u201d, \u201cLuminosity (Sun = 1)\u201d, \u201cDistance (light-year) footnote: The distances of the more remote stars are estimated from their spectral types and apparent brightnesses and are only approximate. The luminosities for those stars are approximate to the same degree.\u201d, \u201cSpectral Type\u201d, \u201cProper Motion: RA (arcsec\/y)\u201d, \u201cProper Motion: Dec (arcsec\/y)\u201d, \u201cRight Ascension (h) footnote: Right ascension given for Epoch 2000.0\u201d, \u201cRight Ascension (m) footnote: Right ascension given for Epoch 2000.0\u201d, \u201cDeclination (deg) footnote: Declination given for Epoch 2000.0\u201d, \u201cDeclination (min) footnote: Declination given for Epoch 2000.0\u201d. The second row reads \u201cSirius \u201c, \u201c\u03b1 Canis Majoris\u201d, \u201c22.5\u201d, \u201c8.6\u201d, \u201cA1 V\u201d, \u201c\u22120.5\u201d, \u201c\u22121.2\u201d, \u201c06\u201d, \u201c45.2\u201d, \u201c\u221216\u201d, \u201c43\u201d. The third row reads \u201cCanopus \u201c, \u201c\u03b1 Carinae\u201d, \u201c13,500\u201d, \u201c309\u201d, \u201cF0 II\u201d, \u201c+0.02\u201d, \u201c+0.02\u201d, \u201c06\u201d, \u201c24.0\u201d, \u201c\u221252\u201d, \u201c42\u201d. The fourth row reads \u201cRigil Kentaurus\u201d, \u201c\u03b1 Centauri\u201d, \u201c1.94\u201d, \u201c4.32\u201d, \u201cG2 V + K IV\u201d, \u201c\u22123.7\u201d, \u201c+0.5\u201d, \u201c14\u201d, \u201c39.7\u201d, \u201c\u221260\u201d, \u201c50\u201d. The fifth row reads \u201cArcturus \u201c, \u201c\u03b1 Bootis\u201d, \u201c120\u201d, \u201c36.72\u201d, \u201cK1.5 III\u201d, \u201c\u22121.1\u201d, \u201c\u22122.0\u201d, \u201c14\u201d, \u201c15.7\u201d, \u201c+19\u201d, \u201c11\u201d. The sixth row reads \u201cVega \u201c, \u201c\u03b1 Lyrae\u201d, \u201c49\u201d, \u201c25.04\u201d, \u201cA0 V\u201d, \u201c+0.2\u201d, \u201c+0.3\u201d, \u201c18\u201d, \u201c36.9\u201d, \u201c+38\u201d, \u201c47\u201d. The seventh row reads \u201cCapella \u201c, \u201c\u03b1 Aurigae\u201d, \u201c140\u201d, \u201c42.80\u201d, \u201cG8 III + G0 III\u201d, \u201c+0.08\u201d, \u201c\u22120.4\u201d, \u201c05\u201d, \u201c16.7\u201d, \u201c+46\u201d, \u201c00\u201d. The eighth row reads \u201cRigel \u201c, \u201c\u03b2 Orionis\u201d, \u201c50,600\u201d, \u201c863\u201d, \u201cB8 I\u201d, \u201c+0.00\u201d, \u201c+0.00\u201d, \u201c05\u201d, \u201c14.5\u201d, \u201c\u221208\u201d, \u201c12\u201d. The ninth row reads \u201cProcyon\u201d, \u201c\u03b1 Canis Minoris\u201d, \u201c7.31\u201d, \u201c11.46\u201d, \u201cF5 IV-V\u201d, \u201c\u22120.7\u201d, \u201c\u22121.0\u201d, \u201c07\u201d, \u201c39.3\u201d, \u201c+05\u201d, \u201c14\u201d. The tenth row reads \u201cAchernar \u201c, \u201c\u03b1 Eridani\u201d, \u201c1030\u201d, \u201c139\u201d, \u201cB3 V\u201d, \u201c+0.10\u201d, \u201c\u22120.04\u201d, \u201c01\u201d, \u201c37.7\u201d, \u201c\u221257\u201d, \u201c14\u201d. The eleventh row reads \u201cBetelgeuse \u201c, \u201c\u03b1 Orionis\u201d, \u201c13,200\u201d, \u201c498\u201d, \u201cM2 I\u201d, \u201c+0.02\u201d, \u201c+0.01\u201d, \u201c05\u201d, \u201c55.2\u201d, \u201c+07\u201d, \u201c24\u201d. The twelfth row reads \u201cHadar\u201d, \u201c\u03b2 Centauri\u201d, \u201c7050\u201d, \u201c392\u201d, \u201cB1 III\u201d, \u201c\u22120.03\u201d, \u201c\u22120.02\u201d, \u201c14\u201d, \u201c03.8\u201d, \u201c\u221260\u201d, \u201c22\u201d. The thirteenth row reads \u201cAltair \u201c, \u201c\u03b1 Aquilae\u201d, \u201c11.2\u201d, \u201c16.73\u201d, \u201cA7 V\u201d, \u201c+0.5\u201d, \u201c+0.4\u201d, \u201c19\u201d, \u201c50.8\u201d, \u201c+08\u201d, \u201c52\u201d. The fourteenth row reads \u201cAcrux \u201c, \u201c\u03b1 Crucis\u201d, \u201c4090\u201d, \u201c322\u201d, \u201cB0.5 IV + B1 V\u201d, \u201c\u22120.04\u201d, \u201c\u22120.01\u201d, \u201c12\u201d, \u201c26.6\u201d, \u201c\u221263\u201d, \u201c06\u201d. The fifteenth row reads \u201cAldebaran\u201d, \u201c\u03b1 Tauri\u201d, \u201c160\u201d, \u201c66.64\u201d, \u201cK5 III\u201d, \u201c+0.1\u201d, \u201c\u22120.2\u201d, \u201c04\u201d, \u201c35.9\u201d, \u201c+16\u201d, \u201c31\u201d. The sixteenth row reads \u201cSpica \u201c, \u201c\u03b1 Virginis\u201d, \u201c2030\u201d, \u201c250\u201d, \u201cB1 III-IV + B2 V\u201d, \u201c\u22120.04\u201d, \u201c\u22120.03\u201d, \u201c13\u201d, \u201c25.2\u201d, \u201c\u221211\u201d, \u201c10\u201d. The seventeenth row reads \u201cAntares\u201d, \u201c\u03b1 Scorpii\u201d, \u201c9290\u201d, \u201c554\u201d, \u201cM1.5 I + B2.5 V\u201d, \u201c\u22120.01\u201d, \u201c\u22120.02\u201d, \u201c16\u201d, \u201c29.4\u201d, \u201c\u221226\u201d, \u201c26\u201d. The eighteenth row reads \u201cPollux \u201c, \u201c\u03b2 Geminorum\u201d, \u201c31.6\u201d, \u201c33.78\u201d, \u201cK0 III\u201d, \u201c\u22120.6\u201d, \u201c\u22120.05\u201d, \u201c07\u201d, \u201c45.3\u201d, \u201c+28\u201d, \u201c02\u201d. The nineteenth row reads \u201cFomalhaut \u201c, \u201c\u03b1 Piscis Austrini\u201d, \u201c17.2\u201d, \u201c25.13\u201d, \u201cA3 V\u201d, \u201c+0.03\u201d, \u201c\u22120.2\u201d, \u201c22\u201d, \u201c57.6\u201d, \u201c\u221229\u201d, \u201c37\u201d. The twentieth row reads \u201cMimosa\u201d, \u201c\u03b2 Crucis\u201d, \u201c1980\u201d, \u201c279\u201d, \u201cB0.5 III\u201d, \u201c\u22120.04\u201d, \u201c\u22120.02\u201d, \u201c12\u201d, \u201c47.7\u201d, \u201c\u221259\u201d, \u201c41\u201d. The twenty-first row reads \u201cDeneb \u201c, \u201c\u03b1 Cygni\u201d, \u201c50,600\u201d, \u201c1412\u201d, \u201cA2 I\u201d, \u201c+0.00\u201d, \u201c+0.00\u201d, \u201c20\u201d, \u201c41.4\u201d, \u201c+45\u201d, \u201c17\u201d.\" height=\"1025\" width=\"975\"><strong>Figure 1.<\/strong> The brightest stars typically have names from antiquity. Next to each star\u2019s ancient name, we have added a column with its name in the system originated by Bayer (see the Naming Stars feature box.) The distances of the more remote stars are estimated from their spectral types and apparent brightnesses and are only approximate. The luminosities for those stars are approximate to the same degree. Right ascension and declination is given for Epoch 2000.0.[\/caption]<\/figure>\n<p>&nbsp;<\/p>\n<p>Note: These are the stars that <em>appear<\/em> the brightest visually, as seen from our vantage point on Earth. They are not necessarily the stars that are intrinsically the most luminous.<\/p>\n\n","rendered":"<figure id=\"OSC_Astro_AstroTable_Brightest20_App_J\">\n<figure style=\"width: 975px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/practicalphysics1104\/wp-content\/uploads\/sites\/302\/2017\/08\/OSC_Astro_AstroTable_Brightest20_App_J-1.jpg\" alt=\"A table titled \u201cThe Brightest Twenty Stars\u201d with eleven columns and twenty-one rows. The first row is a header row and labels each column: \u201cTraditional Name footnote: The brightest stars typically have names from antiquity. Next to each star\u2019s ancient name, we have added a column with its name in the system originated by Bayer\u201d, \u201cBayer Name\u201d, \u201cLuminosity (Sun = 1)\u201d, \u201cDistance (light-year) footnote: The distances of the more remote stars are estimated from their spectral types and apparent brightnesses and are only approximate. The luminosities for those stars are approximate to the same degree.\u201d, \u201cSpectral Type\u201d, \u201cProper Motion: RA (arcsec\/y)\u201d, \u201cProper Motion: Dec (arcsec\/y)\u201d, \u201cRight Ascension (h) footnote: Right ascension given for Epoch 2000.0\u201d, \u201cRight Ascension (m) footnote: Right ascension given for Epoch 2000.0\u201d, \u201cDeclination (deg) footnote: Declination given for Epoch 2000.0\u201d, \u201cDeclination (min) footnote: Declination given for Epoch 2000.0\u201d. The second row reads \u201cSirius \u201c, \u201c\u03b1 Canis Majoris\u201d, \u201c22.5\u201d, \u201c8.6\u201d, \u201cA1 V\u201d, \u201c\u22120.5\u201d, \u201c\u22121.2\u201d, \u201c06\u201d, \u201c45.2\u201d, \u201c\u221216\u201d, \u201c43\u201d. The third row reads \u201cCanopus \u201c, \u201c\u03b1 Carinae\u201d, \u201c13,500\u201d, \u201c309\u201d, \u201cF0 II\u201d, \u201c+0.02\u201d, \u201c+0.02\u201d, \u201c06\u201d, \u201c24.0\u201d, \u201c\u221252\u201d, \u201c42\u201d. The fourth row reads \u201cRigil Kentaurus\u201d, \u201c\u03b1 Centauri\u201d, \u201c1.94\u201d, \u201c4.32\u201d, \u201cG2 V + K IV\u201d, \u201c\u22123.7\u201d, \u201c+0.5\u201d, \u201c14\u201d, \u201c39.7\u201d, \u201c\u221260\u201d, \u201c50\u201d. The fifth row reads \u201cArcturus \u201c, \u201c\u03b1 Bootis\u201d, \u201c120\u201d, \u201c36.72\u201d, \u201cK1.5 III\u201d, \u201c\u22121.1\u201d, \u201c\u22122.0\u201d, \u201c14\u201d, \u201c15.7\u201d, \u201c+19\u201d, \u201c11\u201d. The sixth row reads \u201cVega \u201c, \u201c\u03b1 Lyrae\u201d, \u201c49\u201d, \u201c25.04\u201d, \u201cA0 V\u201d, \u201c+0.2\u201d, \u201c+0.3\u201d, \u201c18\u201d, \u201c36.9\u201d, \u201c+38\u201d, \u201c47\u201d. The seventh row reads \u201cCapella \u201c, \u201c\u03b1 Aurigae\u201d, \u201c140\u201d, \u201c42.80\u201d, \u201cG8 III + G0 III\u201d, \u201c+0.08\u201d, \u201c\u22120.4\u201d, \u201c05\u201d, \u201c16.7\u201d, \u201c+46\u201d, \u201c00\u201d. The eighth row reads \u201cRigel \u201c, \u201c\u03b2 Orionis\u201d, \u201c50,600\u201d, \u201c863\u201d, \u201cB8 I\u201d, \u201c+0.00\u201d, \u201c+0.00\u201d, \u201c05\u201d, \u201c14.5\u201d, \u201c\u221208\u201d, \u201c12\u201d. The ninth row reads \u201cProcyon\u201d, \u201c\u03b1 Canis Minoris\u201d, \u201c7.31\u201d, \u201c11.46\u201d, \u201cF5 IV-V\u201d, \u201c\u22120.7\u201d, \u201c\u22121.0\u201d, \u201c07\u201d, \u201c39.3\u201d, \u201c+05\u201d, \u201c14\u201d. The tenth row reads \u201cAchernar \u201c, \u201c\u03b1 Eridani\u201d, \u201c1030\u201d, \u201c139\u201d, \u201cB3 V\u201d, \u201c+0.10\u201d, \u201c\u22120.04\u201d, \u201c01\u201d, \u201c37.7\u201d, \u201c\u221257\u201d, \u201c14\u201d. The eleventh row reads \u201cBetelgeuse \u201c, \u201c\u03b1 Orionis\u201d, \u201c13,200\u201d, \u201c498\u201d, \u201cM2 I\u201d, \u201c+0.02\u201d, \u201c+0.01\u201d, \u201c05\u201d, \u201c55.2\u201d, \u201c+07\u201d, \u201c24\u201d. The twelfth row reads \u201cHadar\u201d, \u201c\u03b2 Centauri\u201d, \u201c7050\u201d, \u201c392\u201d, \u201cB1 III\u201d, \u201c\u22120.03\u201d, \u201c\u22120.02\u201d, \u201c14\u201d, \u201c03.8\u201d, \u201c\u221260\u201d, \u201c22\u201d. The thirteenth row reads \u201cAltair \u201c, \u201c\u03b1 Aquilae\u201d, \u201c11.2\u201d, \u201c16.73\u201d, \u201cA7 V\u201d, \u201c+0.5\u201d, \u201c+0.4\u201d, \u201c19\u201d, \u201c50.8\u201d, \u201c+08\u201d, \u201c52\u201d. The fourteenth row reads \u201cAcrux \u201c, \u201c\u03b1 Crucis\u201d, \u201c4090\u201d, \u201c322\u201d, \u201cB0.5 IV + B1 V\u201d, \u201c\u22120.04\u201d, \u201c\u22120.01\u201d, \u201c12\u201d, \u201c26.6\u201d, \u201c\u221263\u201d, \u201c06\u201d. The fifteenth row reads \u201cAldebaran\u201d, \u201c\u03b1 Tauri\u201d, \u201c160\u201d, \u201c66.64\u201d, \u201cK5 III\u201d, \u201c+0.1\u201d, \u201c\u22120.2\u201d, \u201c04\u201d, \u201c35.9\u201d, \u201c+16\u201d, \u201c31\u201d. The sixteenth row reads \u201cSpica \u201c, \u201c\u03b1 Virginis\u201d, \u201c2030\u201d, \u201c250\u201d, \u201cB1 III-IV + B2 V\u201d, \u201c\u22120.04\u201d, \u201c\u22120.03\u201d, \u201c13\u201d, \u201c25.2\u201d, \u201c\u221211\u201d, \u201c10\u201d. The seventeenth row reads \u201cAntares\u201d, \u201c\u03b1 Scorpii\u201d, \u201c9290\u201d, \u201c554\u201d, \u201cM1.5 I + B2.5 V\u201d, \u201c\u22120.01\u201d, \u201c\u22120.02\u201d, \u201c16\u201d, \u201c29.4\u201d, \u201c\u221226\u201d, \u201c26\u201d. The eighteenth row reads \u201cPollux \u201c, \u201c\u03b2 Geminorum\u201d, \u201c31.6\u201d, \u201c33.78\u201d, \u201cK0 III\u201d, \u201c\u22120.6\u201d, \u201c\u22120.05\u201d, \u201c07\u201d, \u201c45.3\u201d, \u201c+28\u201d, \u201c02\u201d. The nineteenth row reads \u201cFomalhaut \u201c, \u201c\u03b1 Piscis Austrini\u201d, \u201c17.2\u201d, \u201c25.13\u201d, \u201cA3 V\u201d, \u201c+0.03\u201d, \u201c\u22120.2\u201d, \u201c22\u201d, \u201c57.6\u201d, \u201c\u221229\u201d, \u201c37\u201d. The twentieth row reads \u201cMimosa\u201d, \u201c\u03b2 Crucis\u201d, \u201c1980\u201d, \u201c279\u201d, \u201cB0.5 III\u201d, \u201c\u22120.04\u201d, \u201c\u22120.02\u201d, \u201c12\u201d, \u201c47.7\u201d, \u201c\u221259\u201d, \u201c41\u201d. The twenty-first row reads \u201cDeneb \u201c, \u201c\u03b1 Cygni\u201d, \u201c50,600\u201d, \u201c1412\u201d, \u201cA2 I\u201d, \u201c+0.00\u201d, \u201c+0.00\u201d, \u201c20\u201d, \u201c41.4\u201d, \u201c+45\u201d, \u201c17\u201d.\" height=\"1025\" width=\"975\" \/><figcaption class=\"wp-caption-text\"><strong>Figure 1.<\/strong> The brightest stars typically have names from antiquity. Next to each star\u2019s ancient name, we have added a column with its name in the system originated by Bayer (see the Naming Stars feature box.) The distances of the more remote stars are estimated from their spectral types and apparent brightnesses and are only approximate. The luminosities for those stars are approximate to the same degree. Right ascension and declination is given for Epoch 2000.0.<\/figcaption><\/figure>\n<\/figure>\n<p>&nbsp;<\/p>\n<p>Note: These are the stars that <em>appear<\/em> the brightest visually, as seen from our vantage point on Earth. They are not necessarily the stars that are intrinsically the most luminous.<\/p>\n","protected":false},"author":61,"menu_order":11,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[],"contributor":[],"license":[],"class_list":["post-1028","back-matter","type-back-matter","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/pressbooks\/v2\/back-matter\/1028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/wp\/v2\/users\/61"}],"version-history":[{"count":0,"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/pressbooks\/v2\/back-matter\/1028\/revisions"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/pressbooks\/v2\/back-matter\/1028\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/wp\/v2\/media?parent=1028"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/pressbooks\/v2\/back-matter-type?post=1028"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/wp\/v2\/contributor?post=1028"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/astronomy1105dl\/wp-json\/wp\/v2\/license?post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}