The Census of Planetary Nebulae in the Local Group
We have been intensively searching for PNe in nearby galaxies as one of the main objectives of the Local Group Census (LGC). The LGC is a narrow-band survey of...
We report on sensitive high-resolution surveys of the central part of the Andromeda galaxy (M31) with Chandra at X-ray wavelengths and with the Very Large Array...
We have studied the colors of the bulge component of 133 galaxies from the HST Groth Strip Survey (Groth et al. 1994), covering redshifts 0.3 z 1.0. We...
The Central Kiloparsec of Starbursts and AGN: The La Palma Connection
In May 2001 over 100 astronomers flew in from around the globe for an astronomical research conference on the central kiloparsec of starbursts and AGN...
We study the innermost regions of bulges with surface-brightness data derived from combined HST/NICMOS and ground-based NIR profiles. Bulge profiles to 1--2 kpc...
The central parsecs of AGN across the electromagnetic spectrum
High angular resolution observations across the electromagnetic spectrum of the nearest AGN are providing a view of the nuclear region rather different from-...
The Century Survey is a photometric survey strip from which we select blue stars to probe the Milky Way halo. We obtain S/N=30 spectra for every star with (V-R)