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- Publisher Website: 10.1111/j.1365-2966.2008.13899.x
- Scopus: eid_2-s2.0-55949086858
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Article: AAOmega radial velocities rule out current membership of the planetary nebula NGC 2438 in the open cluster M46
Title | AAOmega radial velocities rule out current membership of the planetary nebula NGC 2438 in the open cluster M46 |
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Authors | |
Keywords | Planetary nebulae: general Open clusters and associations: general |
Issue Date | 2008 |
Citation | Monthly Notices of the Royal Astronomical Society, 2008, v. 391, n. 1, p. 399-404 How to Cite? |
Abstract | We present new radial velocity measurements of 586 stars in a one-degree field centred on the open cluster M46, and the planetary nebula NGC 2438 located within a nuclear radius of the cluster. The data are based on medium-resolution optical and near-infrared spectra taken with the AAOmega spectrograph on the Anglo-Australian Telescope. We find a velocity difference of about 30 km s -1 between the cluster and nebula, thus removing all ambiguities about the cluster membership of the planetary nebula caused by contradicting results in the literature. The line-of-sight velocity dispersion of the cluster is 3.9 ± 0.3 km s-1, likely to be affected by a significant population of binary stars. © 2008 RAS. |
Persistent Identifier | http://hdl.handle.net/10722/208886 |
ISSN | 2023 Impact Factor: 4.7 2023 SCImago Journal Rankings: 1.621 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Kiss, László L. | - |
dc.contributor.author | Szabó, Gy M. | - |
dc.contributor.author | Balog, Zoltán | - |
dc.contributor.author | Parker, Quentin A. | - |
dc.contributor.author | Frew, David J. | - |
dc.date.accessioned | 2015-03-23T02:02:04Z | - |
dc.date.available | 2015-03-23T02:02:04Z | - |
dc.date.issued | 2008 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society, 2008, v. 391, n. 1, p. 399-404 | - |
dc.identifier.issn | 0035-8711 | - |
dc.identifier.uri | http://hdl.handle.net/10722/208886 | - |
dc.description.abstract | We present new radial velocity measurements of 586 stars in a one-degree field centred on the open cluster M46, and the planetary nebula NGC 2438 located within a nuclear radius of the cluster. The data are based on medium-resolution optical and near-infrared spectra taken with the AAOmega spectrograph on the Anglo-Australian Telescope. We find a velocity difference of about 30 km s -1 between the cluster and nebula, thus removing all ambiguities about the cluster membership of the planetary nebula caused by contradicting results in the literature. The line-of-sight velocity dispersion of the cluster is 3.9 ± 0.3 km s-1, likely to be affected by a significant population of binary stars. © 2008 RAS. | - |
dc.language | eng | - |
dc.relation.ispartof | Monthly Notices of the Royal Astronomical Society | - |
dc.subject | Planetary nebulae: general | - |
dc.subject | Open clusters and associations: general | - |
dc.title | AAOmega radial velocities rule out current membership of the planetary nebula NGC 2438 in the open cluster M46 | - |
dc.type | Article | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1111/j.1365-2966.2008.13899.x | - |
dc.identifier.scopus | eid_2-s2.0-55949086858 | - |
dc.identifier.volume | 391 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 399 | - |
dc.identifier.epage | 404 | - |
dc.identifier.eissn | 1365-2966 | - |
dc.identifier.isi | WOS:000262299900034 | - |
dc.identifier.issnl | 0035-8711 | - |