Do bars drive spiral density waves?
- Ronald J. Buta
- Johan H. Knapen
- et al.
- 2009
- Astronomical Journal
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24 results for Johan H. Knapen
Variation of galactic bar length with amplitude and density as evidence for bar growth over a Hubble time
- Bruce G. Elmegreen
- Debra Meloy Elmegreen
- et al.
- 2007
- Astrophysical Journal
Gravitational bar and spiral arm torques from K s-band observations and implications for the pattern speeds
- D.L. Block
- R. Buta
- et al.
- 2004
- Astronomical Journal
The gravitational torque of bars in optically unbarred and barred galaxies
- D.L. Block
- I. Puerari
- et al.
- 2001
- Astronomy and Astrophysics