{"id":452,"date":"2008-12-31T08:58:33","date_gmt":"2008-12-31T08:58:33","guid":{"rendered":"http:\/\/perezmedia.net\/beltofvenus\/2008\/12\/31\/19_lyncis_struv\/"},"modified":"2008-12-31T08:58:33","modified_gmt":"2008-12-31T08:58:33","slug":"19_lyncis_struv","status":"publish","type":"post","link":"https:\/\/perezmedia.net\/beltofvenus\/2008\/12\/31\/19_lyncis_struv\/","title":{"rendered":"19 Lyncis (Struve 1062)"},"content":{"rendered":"
\"Sketch<\/a><\/p>\n

Sketch of 19 Lyncis (Struve 1062)<\/p>\n<\/div>\n

Observation Notes:<\/b><\/p>\n

The two main stars in this attractive multiple provided me with another unusual color contrast. The primary appeared yellow next to a rich blue secondary. Both stars are B class, so the appearance of the primary is illusory. I made measurements for the A, B and D components, but left the fainter C component out (2 o’clock position from center). It’s position in the sketch however, matches up well with catalogued measurements. The D component (11:45 position from center) appeared to have a cyan hue.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Subject<\/b><\/td>\n19 Lyncis (STF 1062)<\/td>\n<\/tr>\n
Classification<\/b><\/td>\nMultiple Star<\/td>\n<\/tr>\n
Position (J2000)<\/b><\/td>\nLynx [RA: 7:22:52 \/ Dec: +55:16:52]*<\/td>\n<\/tr>\n
Position Angle*<\/b><\/td>\n\nA-B: 315° [2008.3 my measurement]; 315.6° [1999 Wycoff+]
\nA-D: 3.5° [2008.3 my measurement]; 4.1° [1999 Wycoff+]
\nB-C: 288.2° [1999 Wycoff+]<\/td>\n<\/tr>\n
Separation*<\/b><\/td>\n\nA-B: 15″; [2008.3 my measurement]; 14.7″ [1999 Wycoff+]
\nA-D: 213″; [2008.3 my measurement]; 214.5″ [1999 Wycoff+]
\nB-C: 74.2″ [1999 Wycoff+]<\/td>\n<\/tr>\n
Magnitudes*<\/b><\/td>\nA: 5.45; B: 6.5; C: 10.9; D: 8.9<\/td>\n<\/tr>\n
Spectral Types*<\/b><\/td>\nA: B4V; B: B9V<\/td>\n<\/tr>\n
Date\/Time<\/b><\/td>\nAPR 12, 2008 – 10:40 PM MST (APR 13, 2008 – 05:40 UT)<\/td>\n<\/tr>\n
Observing Loc.<\/b><\/td>\nFlagstaff, Arizona, USA – Home<\/td>\n<\/tr>\n
Instrument<\/b><\/td>\nOrion Skyview Pro 6LT (150 mm dia.\/1200 mm F\/L)<\/td>\n<\/tr>\n
Eyepieces\/Mag.<\/b><\/td>\n10 mm Sirius Pl\u00f6ssl + 2X Barlow (240X)
12 mm Meade Astrometric EP + 2X Barlow (200X)<\/td>\n<\/tr>\n
Conditions<\/b><\/td>\nClear, first quarter moon<\/td>\n<\/tr>\n
Seeing<\/b><\/td>\n6\/10 Pickering<\/td>\n<\/tr>\n
Transparency<\/b><\/td>\nNELM Mag 5.0<\/td>\n<\/tr>\n
*References<\/b><\/td>\nThe Washington Visual Double Star Catalog, Double stars measurements (Alzner 1998); Double stars in astrometric catalogs (Wycoff+, 2006); Catalogue of Stellar Spectral Classifications (Skiff, 2008); Starry Night Pro Plus<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

19 Lyncis<\/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":[56,57,112,15],"tags":[],"class_list":["post-452","post","type-post","status-publish","format-standard","hentry","category-double-star","category-sg-double-star","category-sgc-lynx","category-sketch-gallery"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":451,"url":"https:\/\/perezmedia.net\/beltofvenus\/2008\/12\/26\/12_lyncis_struv\/","url_meta":{"origin":452,"position":0},"title":"12 Lyncis (Struve 948)","author":"jperez1690","date":"December 26, 2008","format":false,"excerpt":"12 Lyncis","rel":"","context":"In "Double Star"","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":433,"url":"https:\/\/perezmedia.net\/beltofvenus\/2008\/09\/21\/38_lyncis_struv\/","url_meta":{"origin":452,"position":1},"title":"38 Lyncis (Struve 1334)","author":"jperez1690","date":"September 21, 2008","format":false,"excerpt":"38 Lyncis","rel":"","context":"In "Double Star"","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":507,"url":"https:\/\/perezmedia.net\/beltofvenus\/2009\/12\/01\/struve_1369\/","url_meta":{"origin":452,"position":2},"title":"Struve 1369","author":"jperez1690","date":"December 1, 2009","format":false,"excerpt":"Struve 1369","rel":"","context":"In "Deep Sky"","block_context":{"text":"Deep Sky","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/deep-sky\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14,"url":"https:\/\/perezmedia.net\/beltofvenus\/2004\/08\/01\/double_star_ske\/","url_meta":{"origin":452,"position":3},"title":"Double Star Sketches","author":"jperez1690","date":"August 1, 2004","format":false,"excerpt":"Double Star Sketches","rel":"","context":"In "General"","block_context":{"text":"General","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":414,"url":"https:\/\/perezmedia.net\/beltofvenus\/2008\/06\/30\/struve_1659_the\/","url_meta":{"origin":452,"position":4},"title":"Struve 1659 – The Stargate","author":"jperez1690","date":"June 30, 2008","format":false,"excerpt":"Struve 1659","rel":"","context":"In "Double Star"","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":506,"url":"https:\/\/perezmedia.net\/beltofvenus\/2009\/11\/30\/struve_1374\/","url_meta":{"origin":452,"position":5},"title":"Struve 1374","author":"jperez1690","date":"November 30, 2009","format":false,"excerpt":"Struve 1374","rel":"","context":"In "Deep Sky"","block_context":{"text":"Deep Sky","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/deep-sky\/"},"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\/452","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=452"}],"version-history":[{"count":0,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/452\/revisions"}],"wp:attachment":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/media?parent=452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/categories?post=452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/tags?post=452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}