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10 papers · 2 filters
Low-ionization structures in planetary nebulae - I: physical, kinematic and excitation properties
Stavros Akras, Denise R. Gonçalves
Though the small-scale, low-ionization knots, filaments and jets (LISs) of planetary nebulae (PNe) are known for ~30yr, some of their observational properties are not well establis…
SINFONI spectra of heavily obscured AGNs in COSMOS: evidence of outflows in a MIR/O target at z
M. Perna, M. Brusa, M. Salvato +9
We present new data for four candidate obscured Compton-Thick (CT) quasars at z 1-2.5 observed with SINFONI VLT spectrograph in AO mode. These sources were selected from a 24…
Mid-IR Enhanced Galaxies in the Coma & Virgo Cluster: lenticulars with a high star formation rate
Laurie Riguccini, Pasquale Temi, Alexandre Amblard +2
We explore the properties of early-type galaxies (ETGs), including ellipticals (E) and lenticulars (S0), in rich environments such as clusters of galaxies (Virgo and Coma). The L_2…
The composite nature of Dust-Obscured Galaxies (DOGs) at z~2-3 in the COSMOS field: I. A Far-Infrared View
L. Riguccini, E. Le Floc'h, J. R. Mullaney +19
Dust-Obscured galaxies (DOGs) are bright 24 um-selected sources with extreme obscuration at optical wavelengths. They are typically characterized by a rising power-law continuum of…
The Odd Offset between the Galactic Disk and Its Bar in NGC 3906
Bonita de Swardt, Kartik Sheth, Taehyun Kim +27
We use mid-infrared 3.6 and 4.5microns imaging of NGC 3906 from the Spitzer Survey of Stellar Structure in Galaxies (S4G) to understand the nature of an unusual offset between its…
Rest-frame Optical Emission Lines in Far-Infrared Selected Galaxies at z<1.7 from the FMOS-COSMOS Survey
Jeyhan S. Kartaltepe, D. B. Sanders, J. D. Silverman +15
We have used FMOS on Subaru to obtain near-infrared spectroscopy of 123 far-infrared selected galaxies in COSMOS and obtain the key rest-frame optical emission lines. This is the l…