{"id":11407,"date":"2015-09-23T07:00:58","date_gmt":"2015-09-23T11:00:58","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=11407"},"modified":"2015-09-21T13:10:59","modified_gmt":"2015-09-21T17:10:59","slug":"11407","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=11407","title":{"rendered":"ESO: A new image of “A Cosmic Rose with Many Names”"},"content":{"rendered":"

Here’s the latest report from\u00a0ESO<\/a>\u00a0(European Southern Observatory):<\/p>\n

A Cosmic Rose With Many Names<\/a><\/strong><\/p>\n

This new image of the rose-coloured star forming region Messier 17 was captured by the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. It is one of the sharpest images showing the entire nebula and not only reveals its full size but also retains fine detail throughout the cosmic landscape of gas clouds, dust and newborn stars.<\/p>\n

\"This<\/a>
This image<\/a> of the rose-coloured star forming region Messier 17 was captured by the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. It is one of the sharpest images showing the entire nebula and not only reveals its full size but also retains fine detail throughout the cosmic landscape of gas clouds, dust and newborn stars.<\/figcaption><\/figure>\n

The nebula pictured here may have had more names bestowed upon it over the ages than any other object of its kind. Although officially known as Messier 17<\/a>, its nicknames include: the Omega Nebula<\/a><\/em>, the Swan Nebula<\/em>, the Checkmark Nebula<\/em>, the Horseshoe Nebula<\/em> and \u2014 lest those with more of a more marine bent miss out \u2014 the Lobster Nebula<\/em>.<\/p>\n

http:\/\/cdn.eso.org\/videos\/medium_podcast\/eso1537a.m4v<\/a><\/video><\/div>\n

This zoom video<\/a> sequence takes us from a broad vista of the bright central parts of the Milky Way right into a close-up view of the bright star formation region Messier 17. The final detailed view is from the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile.\u00a0Credit:\u00a0ESO, N. Risinger (skysurvey.org<\/a>), DSS. Music: Johan Monell\u00a0(www.johanmonell.com<\/a>)<\/em><\/p>\n

Messier 17 is located about 5500 light-years from Earth near the plane of the Milky Way and in the constellation of\u00a0Sagittarius<\/a> (The Archer<\/em>). The object spans a big section of the sky \u2014 its gas and dust clouds measure about 15 light-years across. This material is fueling the birth of new stars and the wide field of view of the new picture reveals many stars in front of, in, or behind Messier 17.<\/p>\n

\"This<\/a>
This chart<\/a> shows the location of the star-forming region Messier 17, also often called the Omega<\/em> or Swan Nebula<\/em>, within the constellation of Sagittarius (The Archer<\/em>). This map shows most of the stars visible to the unaided eye under good conditions, and the cluster itself is marked as a green square within a red circle. Through a moderate-sized amateur telescope this object appears as a bright bar of haze.<\/figcaption><\/figure>\n

The nebula appears as a complex red structure with some graduation to pink. Its colouring is a signature of glowing hydrogen gas. The short-lived blue stars that recently formed in Messier 17 emit enough ultraviolet light<\/a> to heat up surrounding gas to the extent that it begins to glow brightly. In the central region the colours are lighter, and some parts appear white. This white colour is real \u2014 it arises as a result of mixing the light from the hottest gas with the starlight reflected by dust.<\/p>\n

http:\/\/cdn.eso.org\/videos\/medium_podcast\/eso1537b.m4v<\/a><\/video><\/div>\n

This video<\/a> gives us a close-up view of the rose-coloured star forming region Messier 17. The picture was captured by the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. It is one of the sharpest images showing the entire nebula and not only reveals its full size but also retains fine detail throughout the cosmic landscape of gas clouds, dust and newborn stars.\u00a0Credit:\u00a0ESO, Music: Johan Monell\u00a0(www.johanmonell.com<\/a>)<\/em><\/p>\n

The\u00a0gas in the nebula is estimated to have more than 30 000 times the mass of the Sun. Messier 17 also contains an open star cluster<\/a> of 35 stars, which is known as NGC 6618 [1]<\/a>. The total number of stars in the nebula, however, is much higher \u2014 there are almost 800 stars in the centre with even more forming in its outer regions.<\/p>\n

\"This<\/a>
This image<\/a> is a colour composite of the Omega Nebula (M 17) made from exposures from the Digitized Sky Survey 2 (DSS2). The field of view is approximatelly 4.7 x 3.7 degrees.<\/figcaption><\/figure>\n

Throughout this rosy glow, the nebula shows a web of darker regions of dust that obscure the light. This obscuring material is also glowing and \u2014 although these areas are dark in this visible-light image \u2014 they look bright when observed using\u00a0infrared cameras<\/a>.<\/p>\n

The nebula owes its official name to the French comet hunter Charles Messier<\/a> who included the nebula as the seventeenth object in his famous astronomical catalogue in 1764 [2]<\/a>. But even with a name as bland as Messier 17, this flowery nebula still looks dazzling.<\/p>\n

This picture comes from the ESO Cosmic Gems programme<\/a> [3]<\/a>.<\/p>\n

Notes<\/strong><\/p>\n

<\/a>[1] This designation is also sometimes used for the entire star formation region.<\/p>\n

<\/a>[2] The astronomer Jean Philippe de Ch\u00e9seaux<\/a> discovered the object in 1745, but his discovery did not receive widespread attention. Thus, Messier independently rediscovered and catalogued it almost 20 years later.<\/p>\n

<\/a>[3] The ESO Cosmic Gems programme is an outreach initiative to produce images of interesting, intriguing or visually attractive objects using ESO telescopes, for the purposes of education and public outreach. The programme makes use of telescope time that cannot be used for science observations. All data collected may also be suitable for scientific purposes, and are made available to astronomers through ESO\u2019s science archive.<\/p>\n","protected":false},"excerpt":{"rendered":"

Here’s the latest report from\u00a0ESO\u00a0(European Southern Observatory): A Cosmic Rose With Many Names This new image of the rose-coloured star forming region Messier 17 was captured by the Wide Field Imager on the MPG\/ESO 2.2-metre telescope at ESO\u2019s La Silla Observatory in Chile. It is one of the sharpest images showing the entire nebula and … Continue reading ESO: A new image of “A Cosmic Rose with Many Names”<\/span> →<\/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-11407","post","type-post","status-publish","format-standard","hentry","category-astronomy"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s34aWK-11407","jetpack-related-posts":[{"id":18210,"url":"https:\/\/hobbyspace.com\/Blog\/?p=18210","url_meta":{"origin":11407,"position":0},"title":"ESO: The Cosmic Bat of the Orion constellation","author":"TopSpacer","date":"March 14, 2019","format":false,"excerpt":"The latest ESO (European Southern Observatory) report: A Cosmic Bat in Flight ESO\u2019s Cosmic Gems Programme captures the Cosmic Bat\u2019s dusty clouds Hidden in one of the darkest corners of the Orion constellation, this Cosmic Bat is spreading its hazy wings through interstellar space two thousand light-years away. 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