{"id":577,"date":"2011-07-30T01:42:32","date_gmt":"2011-07-30T01:42:32","guid":{"rendered":"http:\/\/perezmedia.net\/beltofvenus\/2011\/07\/30\/ag_342_tyc1978\/"},"modified":"2011-07-30T01:42:32","modified_gmt":"2011-07-30T01:42:32","slug":"ag_342_tyc1978","status":"publish","type":"post","link":"https:\/\/perezmedia.net\/beltofvenus\/2011\/07\/30\/ag_342_tyc1978\/","title":{"rendered":"AG 342 (TYC1978-179-1&#038;2)"},"content":{"rendered":"<div class=\"imageblock\"><a href=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2009\/img2009112702_AG342lg.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2009\/img2009112702_AG342.jpg\" alt=\"Sketch of AG 342 (TYC1978-179-1 &#038; TYC1978-179-2)\"><\/a><\/p>\n<p class=\"caption\">Sketch of AG 342<\/p>\n<p><i>Click image to view larger version.<\/i><\/p>\n<\/div>\n<p><b>Observation Notes:<\/b><\/p>\n<p>AG 342 is an orange-yellow\/dull-orange pair, located at the thruster end of a star-destroyer asterism. The diffraction pattern was faint and difficult to pin down. This is a high proper motion pair (190 mas\/yr) of K3V stars.<\/p>\n<table class=\"objectdata\">\n<tr>\n<td><b>Subject<\/b><\/td>\n<td class=\"subject\">AG 342 (TYC1978-179-1 &#038; TYC1978-179-2; ADS 8002)<\/td>\n<\/tr>\n<tr>\n<td><b>Classification<\/b><\/td>\n<td>Double Star<\/td>\n<\/tr>\n<tr>\n<td><b>Position (J2000)*<\/b><\/td>\n<td>Leo [RA: 10 59 38.3 \/ Dec: +25 26 15.5]<\/td>\n<\/tr>\n<tr>\n<td><b>Position Angle<\/b><\/td>\n<td>AB: 112&deg; [My Measurement 2009.9]<br \/>AB: 112&deg; [WDS 2008]*<\/td>\n<\/tr>\n<tr>\n<td><b>Separation<\/b><\/td>\n<td>AB: 6&#8243; [My Measurement 2009.9]<br \/>AB: 5.2&#8243; [WDS 2008]*<\/td>\n<\/tr>\n<tr>\n<td><b>Magnitudes*<\/b><\/td>\n<td>A: 8.6; B: 9.2<\/td>\n<\/tr>\n<tr>\n<td><b>Spectral Types*<\/b><\/td>\n<td>A: K3V; B: K3V<\/td>\n<\/tr>\n<tr>\n<td><b>Date\/Time<\/b><\/td>\n<td>NOV 27, 2009 &#8211; 4:15 AM MST (NOV 27, 2009 &#8211; 11:15 UT)<\/td>\n<\/tr>\n<tr>\n<td><b>Observing Loc.<\/b><\/td>\n<td>Flagstaff, AZ &#8211; Home<\/td>\n<\/tr>\n<tr>\n<td><b>Instrument<\/b><\/td>\n<td>Orion SkyQuest XT8 Dobsonian (203 mm dia.\/1200 mm F\/L)<\/td>\n<\/tr>\n<tr>\n<td><b>Eyepieces\/Mag.<\/b><\/td>\n<td>Pentax XW10 + 2X Barlow (240X)<br \/>Meade Astrometric EP + 2X Barlow (200X)<\/td>\n<\/tr>\n<tr>\n<td><b>Conditions<\/b><\/td>\n<td>Clear, cold, hazy<\/td>\n<\/tr>\n<tr>\n<td><b>Seeing<\/b><\/td>\n<td>3-4\/10 Pickering<\/td>\n<\/tr>\n<tr>\n<td><b>Transparency<\/b><\/td>\n<td>Mag 5.5 NELM<\/td>\n<\/tr>\n<tr>\n<td><b>*References<\/b><\/td>\n<td>The Washington Visual Double Star Catalog (Mason+ 2001-2009); Catalogue of Stellar Spectral Classifications (Skiff, 2009); SIMBAD; <i>Double Stars for Small Telescopes<\/i> &#8211; Sissy Haas<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>AG 342<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[56,57,53],"tags":[],"class_list":["post-577","post","type-post","status-publish","format-standard","hentry","category-double-star","category-sg-double-star","category-sgc-leo"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":572,"url":"https:\/\/perezmedia.net\/beltofvenus\/2011\/07\/28\/tau_and_83_leon\/","url_meta":{"origin":577,"position":0},"title":"Tau and 83 Leonis (Struve-A 19 \/ Struve )","author":"jperez1690","date":"July 28, 2011","format":false,"excerpt":"Tau LEO \/ 83 LEO","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":578,"url":"https:\/\/perezmedia.net\/beltofvenus\/2011\/07\/30\/struve_1575\/","url_meta":{"origin":577,"position":1},"title":"Struve 1575","author":"jperez1690","date":"July 30, 2011","format":false,"excerpt":"Struve 1575","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":528,"url":"https:\/\/perezmedia.net\/beltofvenus\/2010\/02\/28\/90_leonis_struv\/","url_meta":{"origin":577,"position":2},"title":"90 Leonis (Struve 1552)","author":"jperez1690","date":"February 28, 2010","format":false,"excerpt":"90 Leonis","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":570,"url":"https:\/\/perezmedia.net\/beltofvenus\/2011\/07\/27\/83_leonis_struv\/","url_meta":{"origin":577,"position":3},"title":"83 Leonis (Struve 1540)","author":"jperez1690","date":"July 27, 2011","format":false,"excerpt":"83 LEO","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":531,"url":"https:\/\/perezmedia.net\/beltofvenus\/2010\/05\/05\/struve_1521\/","url_meta":{"origin":577,"position":4},"title":"Struve 1521","author":"jperez1690","date":"May 5, 2010","format":false,"excerpt":"Struve 1521","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":527,"url":"https:\/\/perezmedia.net\/beltofvenus\/2010\/02\/27\/35_sextantis\/","url_meta":{"origin":577,"position":5},"title":"35 Sextantis (Struve 1466)","author":"jperez1690","date":"February 27, 2010","format":false,"excerpt":"35 Sextantis","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/comments?post=577"}],"version-history":[{"count":0,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/577\/revisions"}],"wp:attachment":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/media?parent=577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/categories?post=577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/tags?post=577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}