810 citations
- NIU ObservatoryUS20 papers
- Gemini North ObservatoryUS14 papers
- European Southern ObservatoryCL13 papers
- University of FloridaUS13 papers
- University of Hawaii SystemUS12 papers
- Pontificia Universidad Católica de ChileCL10 papers
- University of ArizonaUS10 papers
- Herzberg Institute of AstrophysicsCA9 papers
- Universidade Federal do Rio Grande do SulBR9 papers
- California Institute of TechnologyUS8 papers
- Centre National de la Recherche ScientifiqueFR8 papers
- University of Hawaii at HiloUS8 papers
Showing 2012Show all
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astro-ph.CO2012★ 61 cited
A sample of Seyfert-2 galaxies with ultra-luminous galaxy-wide NLRs -- Quasar light echos?
Mischa Schirmer, Ruben Diaz, Karianne Holhjem +2
We report the discovery of Seyfert-2 galaxies in SDSS-DR8 with galaxy-wide, ultra-luminous narrow-line regions (NLRs) at redshifts z=0.2-0.6. With a space density of 4.4 per cubic…
astro-ph.IM2012★ 3 cited
Image quality and high contrast improvements on VLT/NACO
Julien H. V. Girard, Jared O'Neal, Dimitri Mawet +6
NACO is the famous and versatile diffraction limited NIR imager and spectrograph with which ESO celebrated 10 years of Adaptive Optics at the VLT. Since two years a substantial eff…
astro-ph.CO2012★ 26 cited
Short timescale variations of the Hα double-peaked profile of the nucleus of NGC 1097
Jaderson S. Schimoia, Thaisa Storchi-Bergmann, Rodrigo S. Nemmen +2
The broad (FWHM ~ 10,000 km/s) double-peaked Hα profile from the LINER/Seyfert 1 nucleus of NGC 1097 was discovered in 1991, and monitored for the following 11 years. The profile s…