A new method to estimate local pitch angles in spiral galaxies: Application to spiral arms and feathers in M81 and M51
- Ivânio Puerari
- Bruce G. Elmegreen
- et al.
- 2014
- Astronomical Journal
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13 results for David L. Block
ISM properties in hydrodynamic galaxy simulations: Turbulence cascades, cloud formation, role of gravity and feedback
- Frédéric Bournaud
- Bruce G. Elmegreen
- et al.
- 2010
- Mon. Not. R. Astron. Soc.
A two-component power law covering nearly four orders of magnitude in the power spectrum of Spitzer far-infrared emission from the large magellanic cloud
- David L. Block
- Ivânio Puerari
- et al.
- 2010
- Astrophysical Journal Letters
Do bars drive spiral density waves?
- Ronald J. Buta
- Johan H. Knapen
- et al.
- 2009
- Astronomical Journal
Detection of star streams and turbulence in nearby galaxies: Power spectrum analysis of spitzer images
- D.L. Block
- I. Puerari
- et al.
- 2009
- Astrophysical Journal
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
The detection of spiral arm modulation in the stellar disk of an optically flocculent and an optically grand design galaxy
- I. Puerari
- D.L. Block
- et al.
- 2000
- Astronomy and Astrophysics
Reflection of bulge light from a 2 kiloparsec segment of dust lane in the galaxy NGC 2841
- David L. Block
- Alan Stockton
- et al.
- 1999
- Astrophysical Journal