Abstract
The very first results of the application of the Tremaine-Weinberg (hereafter TW) method on Hα velocity fields are presented to find pattern speeds of galaxies. The technique is used for a sample of four barred galaxies and M51. For two of these, our results are very similar to those obtained using the same technique but based on CO observations. For the three other galaxies, a comparison is provided between this observational method and numerical ones.
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References
Canzian B., 1993, PASP, 105, 661
Daigle, O., Carignan, C., & Hernandez, O. 2004, in preparation
Elmegreen B. G., Elmegreen D. M., Montenegro L., 1992, ApJS, 79, 37
Garcia-Burillo S., Combes F., Gerin M., 1993, A&A, 274, 148
Helfer T. T., et al., 2003, ApJS, 145, 259
Hernandez, O., Carignan, C., Amram P., & Wozniak H. 2004, in preparation
Tremaine S., Weinberg M. D., 1984, ApJ, 282, L5
Salo H., Laurikainen E., 2000, MNRAS, 319, 393
Sempere M., 1999, Ap&SS, 269, 665
Sempere M. J., Garcia-Burillo S., Combes F., Knapen J. H., 1995, A&A, 296, 45
Zimmer P., Rand R. J., McGraw J. T., 2004, astro-ph/0404365
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Hernandez, O., Carignan, C., Amram, P., Daigle, O. (2004). Bar Parameters from Hα Observations. In: Block, D.L., Puerari, I., Freeman, K.C., Groess, R., Block, E.K. (eds) Penetrating Bars through Masks of Cosmic Dust. Astrophysics and Space Science Library, vol 319. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2862-5_71
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DOI: https://doi.org/10.1007/978-1-4020-2862-5_71
Publisher Name: Springer, Dordrecht
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