{"id":13359,"date":"2016-10-19T08:00:00","date_gmt":"2016-10-19T12:00:00","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=13359"},"modified":"2016-10-17T18:10:21","modified_gmt":"2016-10-17T22:10:21","slug":"eso-capturing-the-raging-winds-of-eta-carinae","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=13359","title":{"rendered":"ESO: Capturing the raging winds of Eta Carinae"},"content":{"rendered":"<p>Here is the latest\u00a0<a href=\"https:\/\/www.eso.org\/\" target=\"_blank\">ESO<\/a>\u00a0(European Southern Observatory) report:<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.eso.org\/public\/news\/eso1637\/?lang\" target=\"_blank\">Highest Resolution Image of Eta Carinae<\/a><\/strong><br \/>\n<em>VLT Interferometer captures raging winds in famous massive stellar system<\/em><\/p>\n<p><figure id=\"attachment_13360\" aria-describedby=\"caption-attachment-13360\" style=\"width: 520px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1637a\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13360\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13360\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1.jpg\" data-orig-size=\"1280,623\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO\/G. Weigelt&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This mosaic shows the Carina Nebula (left part of the image), home of the Eta Carinae star system. This part was observed with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\\u2019s La Silla Observatory. The middle part shows the direct surrounding of the star: the Homunculus Nebula, created by the ejected material from the Eta Carinae system. This image was taken with the NACO near-infrared adaptive optics instrument on ESO&#039;s Very Large Telescope. The right image shows the innermost part of the system as seen with the Very Large Telescope Interferometer (VLTI). It is the highest resolution image of Eta Carinae ever.&quot;,&quot;created_timestamp&quot;:&quot;1476885600&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Detailed look on Eta Carinae&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Detailed look on Eta Carinae\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This mosaic shows the Carina Nebula (left part of the image), home of the Eta Carinae star system. This part was observed with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory. The middle part shows the direct surrounding of the star: the Homunculus Nebula, created by the ejected material from the Eta Carinae system. This image was taken with the NACO near-infrared adaptive optics instrument on ESO&amp;#8217;s Very Large Telescope. The right image shows the innermost part of the system as seen with the Very Large Telescope Interferometer (VLTI). It is the highest resolution image of Eta Carinae ever.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1-1024x498.jpg\" class=\"wp-image-13360 size-large\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1-1024x498.jpg\" alt=\"This mosaic shows the Carina Nebula (left part of the image), home of the Eta Carinae star system. This part was observed with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory. The middle part shows the direct surrounding of the star: the Homunculus Nebula, created by the ejected material from the Eta Carinae system. This image was taken with the NACO near-infrared adaptive optics instrument on ESO's Very Large Telescope. The right image shows the innermost part of the system as seen with the Very Large Telescope Interferometer (VLTI). It is the highest resolution image of Eta Carinae ever.\" width=\"520\" height=\"253\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1-1024x498.jpg 1024w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1-300x146.jpg 300w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1-768x374.jpg 768w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637a1.jpg 1280w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/a><figcaption id=\"caption-attachment-13360\" class=\"wp-caption-text\"><em>This mosaic shows the Carina Nebula (left part of the image), home of the Eta Carinae star system. This part was observed with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory. The middle part shows the direct surrounding of the star: the Homunculus Nebula, created by the ejected material from the Eta Carinae system. This image was taken with the NACO near-infrared adaptive optics instrument on ESO&#8217;s Very Large Telescope. The right image shows the innermost part of the system as seen with the Very Large Telescope Interferometer (VLTI). It is the highest resolution image of Eta Carinae ever. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1637a\/\" target=\"_blank\">Larger images<\/a>.]<\/em><\/figcaption><\/figure>An international team of astronomers have used the Very Large Telescope Interferometer to image the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Eta_Carinae\" target=\"_blank\">Eta Carinae star system<\/a> in the greatest detail ever achieved. They found new and unexpected structures within the binary system, including in the area between the two stars where extremely high velocity stellar winds are colliding. These new insights into this enigmatic star system could lead to a better understanding of the evolution of very massive stars.<\/p>\n<figure id=\"attachment_13362\" aria-describedby=\"caption-attachment-13362\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1637b\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13362\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13362\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1.jpg\" data-orig-size=\"700,700\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This image represent the best image of the Eta Carinae star system ever made. The observations were made with the Very Large Telescope Interferometer and could lead to a better understanding of the evolution of very massive stars.&quot;,&quot;created_timestamp&quot;:&quot;1476885600&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Highest resolution image of Eta Carinae&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Highest resolution image of Eta Carinae\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This image represent the best image of the Eta Carinae star system ever made. The observations were made with the Very Large Telescope Interferometer and could lead to a better understanding of the evolution of very massive stars.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1.jpg\" class=\"wp-image-13362\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1.jpg\" alt=\"This image represent the best image of the Eta Carinae star system ever made. The observations were made with the Very Large Telescope Interferometer and could lead to a better understanding of the evolution of very massive stars.\" width=\"500\" height=\"500\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1-150x150.jpg 150w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1637b1-300x300.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13362\" class=\"wp-caption-text\"><em>This image represent the best image of the Eta Carinae star system ever made. The observations were made with the Very Large Telescope Interferometer and could lead to a better understanding of the evolution of very massive stars. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1637b\/\" target=\"_blank\">Larger images<\/a>]<\/em><\/figcaption><\/figure>\n<p dir=\"ltr\">Led by Gerd Weigelt from the <a href=\"http:\/\/www.mpifr-bonn.mpg.de\/2169\/en\" target=\"_blank\">Max Planck Institute for Radio Astronomy<\/a> (MPIfR) in Bonn, a team of astronomers have used the <a href=\"http:\/\/eso.org\/vlt\" target=\"_blank\">Very Large Telescope Interferometer<\/a> (VLTI) at ESO\u2019s Paranal Observatory to take a unique image of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Eta_Carinae\" target=\"_blank\">Eta Carinae<\/a> star system in the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Carina_Nebula\" target=\"_blank\">Carina Nebula<\/a>.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/OaBxMo4b74g?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p dir=\"ltr\" style=\"padding-left: 30px;\"><em>This animation zooms in on the massive star system Eta Carinae, located in the Carina Nebula. During the zoom the Homunculus Nebula and finally the violent surrounding of Eta Carinae becomes visible.<\/em><\/p>\n<p dir=\"ltr\">This colossal binary system consists of two massive stars orbiting each other and is very active, producing stellar winds which travel at velocities of up to ten million kilometres per hour <a href=\"#1\">[1]<\/a>. The zone between the two stars where the winds from each collide is very turbulent, but until now it could not be studied.<\/p>\n<figure id=\"attachment_13363\" aria-describedby=\"caption-attachment-13363\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso0905b\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13363\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13363\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0905b1.jpg\" data-orig-size=\"700,730\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO\/Digitized Sky Survey 2. Ackn&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This image is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees.&quot;,&quot;created_timestamp&quot;:&quot;1321444800&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Digitized Sky Survey Image of Eta Carinae Nebula&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Digitized Sky Survey Image of Eta Carinae Nebula\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This image is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0905b1.jpg\" class=\"wp-image-13363\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0905b1.jpg\" alt=\"This image is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees.\" width=\"500\" height=\"521\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0905b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0905b1-288x300.jpg 288w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13363\" class=\"wp-caption-text\"><em>This image is a colour composite made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximately 4.7 x 4.9 degrees. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso0905b\/\" target=\"_blank\">Larger images<\/a>.]<\/em><\/figcaption><\/figure>\n<p dir=\"ltr\">The power of the Eta Carinae binary pair creates dramatic phenomena. A \u201c<a href=\"https:\/\/en.wikipedia.org\/wiki\/Eta_Carinae#Great_Eruption\" target=\"_blank\">Great Eruption<\/a>\u201d in the system was observed by astronomers in the 1830s. We now know that this was caused by the larger star of the pair expelling huge amounts of gas and dust in a short amount of time, which led to the distinctive lobes, known as the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Homunculus_Nebula\" target=\"_blank\">Homunculus Nebula<\/a>, that we see in the system today. The combined effect of the two stellar winds as they smash into each other at extreme speeds is to create temperatures of millions of degrees and intense deluges of X-ray radiation.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/LIVUNbcLBDM?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"padding-left: 30px;\"><em>This animation zooms from outside the Homunculus Nebula, which Eta Carinae ejected in a famous outburst in the 19th century, to the system&#8217;s two massive orbiting stars. \u00a0<\/em><em>Credit:\u00a0<\/em><em>NASA Goddard CI Lab<\/em><\/p>\n<p dir=\"ltr\">The central area where the winds collide is so comparatively tiny \u2014 a thousand times smaller than the Homunculus Nebula \u2014 that telescopes in space and on the ground so far have not been able to image them in detail. The team has now utilised the powerful resolving ability of the VLTI instrument <a href=\"https:\/\/www.eso.org\/public\/teles-instr\/vlt\/vlt-instr\/amber\/\" target=\"_blank\">AMBER<\/a> to peer into this violent realm for the first time. A clever combination \u2014 an <a href=\"https:\/\/www.eso.org\/public\/teles-instr\/technology\/interferometry\/\" target=\"_blank\">interferometer<\/a> \u2014 of three of the four <a href=\"https:\/\/www.eso.org\/public\/teles-instr\/vlt\/auxiliarytelescopes\/\" target=\"_blank\">Auxiliary Telescopes<\/a> at the VLT lead to a tenfold increase in resolving power in comparison to a single <a href=\"https:\/\/www.eso.org\/public\/teles-instr\/vlt\/vlt-names\/\" target=\"_blank\">VLT Unit Telescope<\/a>. This delivered the sharpest ever image of the system and yielded unexpected results about its internal structures.<\/p>\n<figure id=\"attachment_13364\" aria-describedby=\"caption-attachment-13364\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso0817a\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13364\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13364\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1.jpg\" data-orig-size=\"700,706\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This new image of the luminous blue variable Eta Carinae was taken with the NACO near-infrared adaptive optics instrument on ESO&#039;s Very Large Telescope, yielding an incredible amount of detail. The images clearly shows a bipolar structure as well as the jets coming out from the central star. The image was obtained by the Paranal Science team and processed by Yuri Beletsky (ESO) and H\\u00e4nnes Heyer (ESO). It is based on data obtained through broad (J, H, and K; 90 second exposure time per filters) and narrow-bands (1.64, 2.12, and 2.17 microns; probing iron, molecular and atomic hydrogen, respectively; 4 min per filter).&quot;,&quot;created_timestamp&quot;:&quot;1211846400&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Eta Carinae&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Eta Carinae\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This new image of the luminous blue variable Eta Carinae was taken with the NACO near-infrared adaptive optics instrument on ESO&amp;#8217;s Very Large Telescope, yielding an incredible amount of detail. The images clearly shows a bipolar structure as well as the jets coming out from the central star. The image was obtained by the Paranal Science team and processed by Yuri Beletsky (ESO) and H\u00e4nnes Heyer (ESO). It is based on data obtained through broad (J, H, and K; 90 second exposure time per filters) and narrow-bands (1.64, 2.12, and 2.17 microns; probing iron, molecular and atomic hydrogen, respectively; 4 min per filter).&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1.jpg\" class=\"wp-image-13364\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1.jpg\" alt=\"This new image of the luminous blue variable Eta Carinae was taken with the NACO near-infrared adaptive optics instrument on ESO's Very Large Telescope, yielding an incredible amount of detail. The images clearly shows a bipolar structure as well as the jets coming out from the central star. The image was obtained by the Paranal Science team and processed by Yuri Beletsky (ESO) and H\u00e4nnes Heyer (ESO). It is based on data obtained through broad (J, H, and K; 90 second exposure time per filters) and narrow-bands (1.64, 2.12, and 2.17 microns; probing iron, molecular and atomic hydrogen, respectively; 4 min per filter).\" width=\"500\" height=\"504\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1-150x150.jpg 150w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso0817a1-297x300.jpg 297w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13364\" class=\"wp-caption-text\"><em>This new image of the luminous blue variable Eta Carinae was taken with the NACO near-infrared adaptive optics instrument on ESO&#8217;s Very Large Telescope, yielding an incredible amount of detail. The images clearly shows a bipolar structure as well as the jets coming out from the central star. The image was obtained by the Paranal Science team and processed by Yuri Beletsky (ESO) and H\u00e4nnes Heyer (ESO). It is based on data obtained through broad (J, H, and K; 90 second exposure time per filters) and narrow-bands (1.64, 2.12, and 2.17 microns; probing iron, molecular and atomic hydrogen, respectively; 4 min per filter). [<a href=\"https:\/\/www.eso.org\/public\/images\/eso0817a\/\" target=\"_blank\">Larger images<\/a>.]<\/em><\/figcaption><\/figure>\n<p dir=\"ltr\">The new VLTI image clearly depict the structure which exists between the two Eta Carinae-stars. An unexpected fan-shaped structure was observed where the raging wind from the smaller, hotter star crashes into the denser wind from the larger of the pair.<\/p>\n<p dir=\"ltr\" style=\"padding-left: 30px;\"><em>\u201cOur dreams came true, because we can now get extremely sharp images in the infrared. The VLTI provides us with a unique opportunity to improve our physical understanding of Eta Carinae and many other key objects\u201d, says Gerd Weigelt.<\/em><\/p>\n<p dir=\"ltr\">In addition to the imaging, the spectral observations of the collision zone made it possible to measure the velocities of the intense stellar winds <a href=\"#2\">[2]<\/a>. Using these velocities, the team of astronomers were able to produce more accurate computer models of the internal structure of this fascinating stellar system, which will help increase our understanding of how these kind of extremely high mass stars lose mass as they evolve.<\/p>\n<figure id=\"attachment_13365\" aria-describedby=\"caption-attachment-13365\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1031b\/\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13365\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=13365\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1031b1.jpg\" data-orig-size=\"700,341\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This spectacular panoramic view combines a new image of the field around the Wolf\\u2013Rayet star WR 22 in the Carina Nebula (right) with an earlier picture of the region around the unique star Eta Carinae in the heart of the nebula (left). The picture was created from images taken with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\\u2019s La Silla Observatory in Chile. This image is available as a mounted image in the ESOshop. #L&quot;,&quot;created_timestamp&quot;:&quot;1372428000&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Panoramic view of the WR 22 and Eta Carinae regions of the Carin&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Panoramic view of the WR 22 and Eta Carinae regions of the Carin\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This spectacular panoramic view combines a new image of the field around the Wolf\u2013Rayet star WR 22 in the Carina Nebula (right) with an earlier picture of the region around the unique star Eta Carinae in the heart of the nebula (left). The picture was created from images taken with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. This image is available as a mounted image in the ESOshop. #L&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1031b1.jpg\" class=\"wp-image-13365\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1031b1.jpg\" alt=\"This spectacular panoramic view combines a new image of the field around the Wolf\u2013Rayet star WR 22 in the Carina Nebula (right) with an earlier picture of the region around the unique star Eta Carinae in the heart of the nebula (left). The picture was created from images taken with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. This image is available as a mounted image in the ESOshop. #L\" width=\"500\" height=\"244\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1031b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/10\/eso1031b1-300x146.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-13365\" class=\"wp-caption-text\"><em>This spectacular panoramic view combines a new image of the field around the Wolf\u2013Rayet star WR 22 in the Carina Nebula (right) with an earlier picture of the region around the unique star Eta Carinae in the heart of the nebula (left). The picture was created from images taken with the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. This image is available as a mounted image in the ESOshop. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1031b\/\" target=\"_blank\">Larger image<\/a>]<\/em><\/figcaption><\/figure>\n<p dir=\"ltr\">Team member Dieter Schertl (MPIfR) looks forward:<\/p>\n<p dir=\"ltr\" style=\"padding-left: 30px;\"><em>\u201cThe new VLTI instruments <a href=\"https:\/\/www.eso.org\/public\/teles-instr\/vlt\/vlt-instr\/gravity\/\" target=\"_blank\">GRAVITY<\/a> and MATISSE will allow us to get interferometric images with even higher precision and over a wider wavelength range. This wide wavelength range is needed to derive the physical properties of many astronomical objects.\u201d<\/em><\/p>\n<p><strong>Notes<\/strong><\/p>\n<p dir=\"ltr\"><a name=\"1\"><\/a>[1] The two stars are so massive and bright that the radiation they produce rips off their surfaces and spews them into space. This expulsion of stellar material is referred to as stellar \u201cwind\u201d, and it can travel at millions of kilometres per hour.<\/p>\n<p><a name=\"2\"><\/a>[2] Measurements were done through the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Astronomical_spectroscopy#Doppler_effect_and_redshift\" target=\"_blank\">Doppler effect<\/a>. Astronomers use the Doppler effect (or shifts) to calculate precisely how fast stars and other astronomical objects move toward or away from Earth. The movement of an object towards or away from us causes a slight shift in its spectral lines. The velocity of the motion can be calculated from this shift.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is the latest\u00a0ESO\u00a0(European Southern Observatory) report: Highest Resolution Image of Eta Carinae VLT Interferometer captures raging winds in famous massive stellar system An international team of astronomers have used the Very Large Telescope Interferometer to image the Eta Carinae star system in the greatest detail ever achieved. They found new and unexpected structures within &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=13359\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ESO: Capturing the raging winds of Eta Carinae<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-13359","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-3tt","jetpack-related-posts":[{"id":16640,"url":"https:\/\/hobbyspace.com\/Blog\/?p=16640","url_meta":{"origin":13359,"position":0},"title":"ESO: VISTA infrared telescope reveals inner details of the Carina Nebula","author":"TopSpacer","date":"August 29, 2018","format":false,"excerpt":"The latest report from ESO (European Southern Observatory): Stars v. 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One of the largest gatherings of hot, massive and bright stars in the Milky Way, this cluster houses some of the most luminous stars in our entire galaxy.","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/01\/heic1601a1-1024x1024.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":19227,"url":"https:\/\/hobbyspace.com\/Blog\/?p=19227","url_meta":{"origin":13359,"position":2},"title":"Space sciences roundup &#8211; July.17.2019","author":"TopSpacer","date":"July 17, 2019","format":false,"excerpt":"A sampling of recent articles, videos, and images from space-related science news items: Asteroids **\u00a0JAXA Hayabusa2 made a successful 2nd sample grab from asteroid Ryugu on July 11th. The : Japan's Hayabusa2 probe makes 'perfect' touchdown on asteroid - AFP\/Phys.org Touchdown Two: Japan\u2019s Hayabusa2 Scores Success - Leonard David Hayabusa\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"Hayabusa2 2nd Touchdown","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2019\/07\/fig11.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":23668,"url":"https:\/\/hobbyspace.com\/Blog\/?p=23668","url_meta":{"origin":13359,"position":3},"title":"ESO: Powerful stratospheric winds on Jupiter measured with ground based array","author":"TopSpacer","date":"March 18, 2021","format":false,"excerpt":"A new report from ESO (European Southern Observatory): Powerful stratospheric winds measured on Jupiter for the first time Using the Atacama Large Millimeter\/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, a team of astronomers have directly measured winds in Jupiter\u2019s middle atmosphere for the first\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2021\/03\/eso2104a1-500x313.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":21394,"url":"https:\/\/hobbyspace.com\/Blog\/?p=21394","url_meta":{"origin":13359,"position":4},"title":"ESO: On exoplanet WASP-76b it rains metal cats and dogs","author":"TopSpacer","date":"March 11, 2020","format":false,"excerpt":"A new report from ESO (European Southern Observatory): ESO Telescope Observes Exoplanet Where It Rains Iron Researchers using ESO\u2019s Very Large Telescope (VLT) have observed an extreme planet where they suspect it rains iron. 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