Searching for the Young Kinematic Group Associated with HD 166191
We present the results of our search for the stars kinematically related to the young star HD 166191 surrounded by a warm dust disk. Using data from the GAIA DR1, 2RXS, ALLWISE catalogues and confirming optical spectroscopy, we have identified five stars of age ~10 Myr with similar kinematics in a s...
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| Veröffentlicht in: | Astronomy letters 2018-10, Vol.44 (10), p.603-615 |
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| creator | Potravnov, I. S. Eselevich, M. V. Kondratieva, T. E. Sokolov, I. V. |
| description | We present the results of our search for the stars kinematically related to the young star HD 166191 surrounded by a warm dust disk. Using data from the GAIA DR1, 2RXS, ALLWISE catalogues and confirming optical spectroscopy, we have identified five stars of age ~10 Myr with similar kinematics in a sky region of radius ~11° on the periphery of the Scorpius–Centaurus OB association. Simulations of their orbits into the past show that the HD 166191 group stars were not formed inside or on the nearest periphery of the Scorpius–Centaurus association and do not belong to the young kinematic groups known in its neighborhoods either. The age and motion of the HD 166191 group in the Galaxy are closest to those of the extended Corona Australis association (ext.CrA). Possible scenarios for the formation of these young associations are discussed. |
| doi_str_mv | 10.1134/S1063773718100079 |
| format | Article |
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S. ; Eselevich, M. V. ; Kondratieva, T. E. ; Sokolov, I. V.</creator><creatorcontrib>Potravnov, I. S. ; Eselevich, M. V. ; Kondratieva, T. E. ; Sokolov, I. V.</creatorcontrib><description>We present the results of our search for the stars kinematically related to the young star HD 166191 surrounded by a warm dust disk. Using data from the GAIA DR1, 2RXS, ALLWISE catalogues and confirming optical spectroscopy, we have identified five stars of age ~10 Myr with similar kinematics in a sky region of radius ~11° on the periphery of the Scorpius–Centaurus OB association. Simulations of their orbits into the past show that the HD 166191 group stars were not formed inside or on the nearest periphery of the Scorpius–Centaurus association and do not belong to the young kinematic groups known in its neighborhoods either. The age and motion of the HD 166191 group in the Galaxy are closest to those of the extended Corona Australis association (ext.CrA). 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Possible scenarios for the formation of these young associations are discussed.</description><subject>Astronomy</subject><subject>Astrophysics and Astroparticles</subject><subject>Corona</subject><subject>Galaxies</subject><subject>Kinematics</subject><subject>Observations and Techniques</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Spectroscopy</subject><subject>Stars</subject><subject>Stellar age</subject><issn>1063-7737</issn><issn>1562-6873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kEFLAzEQhYMoWKs_wFvA82pmskk2x1K1FQseqgdPSzabbbfYTU12Ef99Uyp4EA_DzPC-9waGkGtgtwA8v1sCk1wprqAAxpjSJ2QEQmImC8VP05zk7KCfk4sYNwnRnLMRmSydCXbddiva-ED7taPvfkjbc9u5relbS2fBDzs6idHb1vSupl9tv6bzewpSgoZLctaYj-iufvqYvD0-vE7n2eJl9jSdLDLLQfaZ0A2XqbhuKmO50a62qtCmqoqitgWiZlyxnIEzKFArRCPyWmDNK6EdKj4mN8fcXfCfg4t9ufFD6NLJEgERJSgQiYIjZYOPMbim3IV2a8J3Caw8fKr886nkwaMnJrZbufCb_L9pD8sfZyE</recordid><startdate>20181001</startdate><enddate>20181001</enddate><creator>Potravnov, I. 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S.</au><au>Eselevich, M. V.</au><au>Kondratieva, T. E.</au><au>Sokolov, I. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Searching for the Young Kinematic Group Associated with HD 166191</atitle><jtitle>Astronomy letters</jtitle><stitle>Astron. Lett</stitle><date>2018-10-01</date><risdate>2018</risdate><volume>44</volume><issue>10</issue><spage>603</spage><epage>615</epage><pages>603-615</pages><issn>1063-7737</issn><eissn>1562-6873</eissn><abstract>We present the results of our search for the stars kinematically related to the young star HD 166191 surrounded by a warm dust disk. Using data from the GAIA DR1, 2RXS, ALLWISE catalogues and confirming optical spectroscopy, we have identified five stars of age ~10 Myr with similar kinematics in a sky region of radius ~11° on the periphery of the Scorpius–Centaurus OB association. Simulations of their orbits into the past show that the HD 166191 group stars were not formed inside or on the nearest periphery of the Scorpius–Centaurus association and do not belong to the young kinematic groups known in its neighborhoods either. The age and motion of the HD 166191 group in the Galaxy are closest to those of the extended Corona Australis association (ext.CrA). Possible scenarios for the formation of these young associations are discussed.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1063773718100079</doi><tpages>13</tpages></addata></record> |
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| subjects | Astronomy Astrophysics and Astroparticles Corona Galaxies Kinematics Observations and Techniques Physics Physics and Astronomy Spectroscopy Stars Stellar age |
| title | Searching for the Young Kinematic Group Associated with HD 166191 |
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