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astro-ph2003★ 13 cited
Proper Motion and Kinematics of the Ansae in NGC7009
Rodrigo Fernandez M., Hektor Monteiro, Hugo E. Schwarz
We have measured the proper motion (PM) and kinematics of the ansae in NGC 7009 using high dispersion echelle spectra and archive narrow band HST images. Assuming that the ansae ar…
astro-ph2003
Kinematics and Proper Motion of the Ansae in NGC7009
Rodrigo Fernandez, Hugo E. Schwarz, Hektor Monteiro
We have measured the expansion velocities and proper motion of the ansae in NGC7009 using high dispersion echelle spectra and archive narrow band HST images. Assuming that the ansa…