{"id":32,"date":"2018-02-07T13:54:40","date_gmt":"2018-02-07T13:54:40","guid":{"rendered":"https:\/\/araucaria.camk.edu.pl\/?page_id=32"},"modified":"2026-05-26T16:57:09","modified_gmt":"2026-05-26T16:57:09","slug":"welcome","status":"publish","type":"page","link":"https:\/\/araucaria.camk.edu.pl\/","title":{"rendered":"Welcome"},"content":{"rendered":"\n<p>The main goal of the Araucaria Project is to improve the calibration of the cosmic distance scale in the local Universe. We trace down environmental dependencies on the brightness of various standard candles by comparing distances to their host galaxies and clusters, obtained with different methods.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Our most highlighted results<\/h4>\n\n\n<div class=\"su-custom-gallery su-custom-gallery-align-left su-custom-gallery-title-always\"><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2026\/02\/28\/distance-to-a-globular-cluster-m3-determined-from-individual-rr-lyrae-stars\/\" title=\"Distance to the globular cluster M3 determined from individual RR Lyrae stars\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2026\/05\/thumbnail-zgirski2026-200x200.webp\" alt=\"Distance to the globular cluster M3 determined from individual RR Lyrae stars\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">Distance to the globular cluster M3 determined from individual RR Lyrae stars<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2024\/09\/17\/projection-factor-and-radii-of-nearby-bl-her-stars\/\" title=\"Projection factor and radii of nearby BL Her stars\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2024\/10\/Wielgorski2024_thumbnail-200x200.jpg\" alt=\"Projection factor and radii of nearby BL Her stars\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">Projection factor and radii of nearby BL Her stars<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2024\/06\/30\/nine-cepheid-cepheid-binaries-confirmed-spectroscopically\/\" title=\"Nine Cepheid-Cepheid binaries confirmed spectroscopically\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2024\/09\/Pilecki2024_fig2_thumbnail-200x200.png\" alt=\"Nine Cepheid-Cepheid binaries confirmed spectroscopically\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">Nine Cepheid-Cepheid binaries confirmed spectroscopically<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2024\/05\/20\/physical-properties-of-the-quadruple-system-with-early-type-eclipsing-binary\/\" title=\"Physical properties of the quadruple system with early-type eclipsing binary\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2024\/09\/Taormina2024_thumbnail-200x200.jpg\" alt=\"Physical properties of the quadruple system with early-type eclipsing binary\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">Physical properties of the quadruple system with early-type eclipsing binary<\/span><\/a><\/div><div class=\"su-clear\"><\/div><\/div>\n\n\n\n<p>Other recent results<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Distance to the globular cluster M3 determined from individual RR Lyrae stars &#8212; <a href=\"https:\/\/scixplorer.org\/abs\/2026A%26A...706A.268Z\/abstract\">paper<\/a><\/li>\n\n\n\n<li>High-accuracy orbital parallax and mass of SU Cygni &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...693A.111G\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Surface brightness-colour relations of dwarf stars from detached eclipsing binaries &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...694A..65G\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Circumstellar emission of Cepheids in the mid-infrared &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...694A.101H\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Ionized circumstellar gas emission around the long-period Cepheid \u2113 Carinae &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...694L..15H\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Physical Properties of Three Detached O\/B-type Systems in the LMC &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025ApJ...980..178T\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Period\u2013luminosity relations for Galactic Type II Cepheids in the Sloan bands &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...697A..30N\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Surface brightness\u2013colour relations of Cepheids calibrated by optical interferometry &#8212; <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025A%26A...698A..46B\/abstract\">paper<\/a><\/li>\n\n\n\n<li>Projection factor and radii of nearby BL Her stars &#8212; <a href=\"https:\/\/www.aanda.org\/articles\/aa\/pdf\/2024\/09\/aa50182-24.pdf\">paper<\/a>, <a href=\"https:\/\/youtu.be\/3FSmug5MtnE\">podcast<\/a><\/li>\n<\/ul>\n\n\n\n<p>For more results search <a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/papers-date\/\">PAPERS<\/a> and glimpse at <a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/category\/science-highlights\/\">SCIENCE HIGHLIGHTS<\/a>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Our team&#8217;s activities<\/h4>\n\n\n<div class=\"su-custom-gallery su-custom-gallery-align-left su-custom-gallery-title-always\"><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2026\/01\/27\/european-research-council-proof-of-concept-grant-for-the-project-autonomous-observatories\/\" title=\"European Research Council Proof of Concept grant for the project \u201eAutonomous Observatories\u201d\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2026\/01\/ocm2025-scaled.jpg\" alt=\"European Research Council Proof of Concept grant for the project \u201eAutonomous Observatories\u201d\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">European Research Council Proof of Concept grant for the project \u201eAutonomous Observatories\u201d<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2025\/12\/01\/new-phd-student-in-camk-warsaw-poland\/\" title=\"New PhD student in CAMK Warsaw, Poland\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2025\/12\/mradziwonowicz-scaled.jpg\" alt=\"New PhD student in CAMK Warsaw, Poland\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">New PhD student in CAMK Warsaw, Poland<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2024\/12\/02\/job-opportunity\/\" title=\"We&#8217;re hiring!\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2024\/12\/job-poster-Dec31-2024-thumbnail-200x200.jpg\" alt=\"We&#8217;re hiring!\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">We&#8217;re hiring!<\/span><\/a><\/div><div class=\"su-custom-gallery-slide\" style=\"width:200px;height:200px\"><a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/2024\/11\/01\/new-post-doc-fellow-in-camk-warsaw-poland-5\/\" title=\"New post-doc fellow in CAMK Warsaw, Poland\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/araucaria.camk.edu.pl\/wp-content\/uploads\/2025\/01\/HN-200x200.jpg\" alt=\"New post-doc fellow in CAMK Warsaw, Poland\" width=\"200\" height=\"200\" \/><span class=\"su-custom-gallery-title\">New post-doc fellow in CAMK Warsaw, Poland<\/span><\/a><\/div><div class=\"su-clear\"><\/div><\/div>\n\n\n\n<p>Read more <a href=\"https:\/\/araucaria.camk.edu.pl\/index.php\/category\/news-in-the-team\/\">NEWS IN THE TEAM<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The main goal of the Araucaria Project is to improve the calibration of the cosmic distance scale in the local Universe. We trace down environmental dependencies on the brightness of various standard candles by&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-32","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/32","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/comments?post=32"}],"version-history":[{"count":70,"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/32\/revisions"}],"predecessor-version":[{"id":3153,"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/32\/revisions\/3153"}],"wp:attachment":[{"href":"https:\/\/araucaria.camk.edu.pl\/index.php\/wp-json\/wp\/v2\/media?parent=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}