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astro-ph2000★ 12 cited
The Galactic Disk Distribution of Planetary Nebulae with Warm Dust Emission Features: II
S. Casassus, P. F. Roche
Can the distribution of warm-dust compositions in IR-bright galactic disk PNe be linked to the underlying stellar population? The PNe with warm dust emission represent a homogeneou…
astro-ph2000★ 22 cited
The Galactic Disk Distribution of Planetary Nebulae With Warm Dust Emission Features: I
S. Casassus, P. F. Roche, D. K. Aitken +1
We investigate the galactic disk distribution of a sample of planetary nebulae characterised in terms of their mid-infrared spectral features. The total number of galactic disk PNe…
astro-ph2000★ 27 cited
The radial distribution of OB star formation in the Galaxy
L. Bronfman, S. Casassus, J. May +1
We present the azimuthally averaged radial distribution of 748 regions of OB star formation in the whole galactic disk, based on our previous CS(2-1) survey of UC H II regions. Emb…