Radial velocity observations of OB1d association in NGC 1977

Radial velocity observations of OB1d association in NGC 1977

© Published under licence by IOP Publishing Ltd. Radial velocity observations for members of the Ori OB1d association in the nebula NGC 1977 were obtained using the MRES spectrograph with the 2.4 m telescope at Thai National Observatory. Radial velocities of 2MASS J05352174-0453118, HD 37059, HD 294...

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Main Authors: W. Patwong, S. Komonjinda, N. A-Thano
Format: Conference Proceeding
Published: 2018
Subjects:
Physics and Astronomy
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85034043457&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/57891
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-578912018-09-05T03:52:40Z Radial velocity observations of OB1d association in NGC 1977 W. Patwong S. Komonjinda N. A-Thano Physics and Astronomy © Published under licence by IOP Publishing Ltd. Radial velocity observations for members of the Ori OB1d association in the nebula NGC 1977 were obtained using the MRES spectrograph with the 2.4 m telescope at Thai National Observatory. Radial velocities of 2MASS J05352174-0453118, HD 37059, HD 294264 are detectable for the first time with a value of 30.02, 32.19 and 60.27 km/s, respectively. Combining the obtained radial velocities from this research with database proper motion, it was found that all observed star are moving in a different direction. This might be a result from the fact that Ori OB1d is dynamically young with active ongoing star formation. The association is small and loose. Members are less gravitationally bound and the cluster is expanding. 2018-09-05T03:52:40Z 2018-09-05T03:52:40Z 2017-10-20 Conference Proceeding 17426596 17426588 2-s2.0-85034043457 10.1088/1742-6596/901/1/012020 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85034043457&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/57891
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Physics and Astronomy
spellingShingle Physics and Astronomy
W. Patwong
S. Komonjinda
N. A-Thano
Radial velocity observations of OB1d association in NGC 1977
description © Published under licence by IOP Publishing Ltd. Radial velocity observations for members of the Ori OB1d association in the nebula NGC 1977 were obtained using the MRES spectrograph with the 2.4 m telescope at Thai National Observatory. Radial velocities of 2MASS J05352174-0453118, HD 37059, HD 294264 are detectable for the first time with a value of 30.02, 32.19 and 60.27 km/s, respectively. Combining the obtained radial velocities from this research with database proper motion, it was found that all observed star are moving in a different direction. This might be a result from the fact that Ori OB1d is dynamically young with active ongoing star formation. The association is small and loose. Members are less gravitationally bound and the cluster is expanding.
format Conference Proceeding
author W. Patwong
S. Komonjinda
N. A-Thano
author_facet W. Patwong
S. Komonjinda
N. A-Thano
author_sort W. Patwong
title Radial velocity observations of OB1d association in NGC 1977
title_short Radial velocity observations of OB1d association in NGC 1977
title_full Radial velocity observations of OB1d association in NGC 1977
title_fullStr Radial velocity observations of OB1d association in NGC 1977
title_full_unstemmed Radial velocity observations of OB1d association in NGC 1977
title_sort radial velocity observations of ob1d association in ngc 1977
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85034043457&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/57891
_version_ 1681424963230236672

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