1,459 datasets found

Keywords: infrared sources

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  • EROs in Groth Strip

    We present a new catalogue of EROs from the Groth Strip and study the relation between their morphology and mass. With a selection criterion F814W-Ks>=4 and Ks<=21.0 we...
  • AGN activity and black hole mass

    We investigate the role of host galaxy classification and black hole mass (MBH) in a heterogeneous sample of 276 mostly nearby (z<0.1) X-ray and IR-selected active galactic...
  • UV/far-IR data of infrared excess sources

    We explore the nature of Infrared Excess sources (IRX), which are proposed as candidates for luminous [LX(2-10keV)>10^43^erg/s] Compton thick (NH>2x10^24^cm^-2^) QSOs at...
  • Nuclear activity in ULIRGs

    We present the results of a 5-8um spectral analysis performed on the largest sample of local ultraluminous infrared galaxies (ULIRGs) selected so far, consisting of 164 objects...
  • AGN candidates from 2MASS/ROSAT catalogs

    We report on the near-infrared-selected active galactic nuclei (AGN) candidates extracted from Two Micron All Sky Survey (2MASS)/ROSAT catalogues and discuss their properties....
  • Young stellar outflows near-IR imaging

    We have carried out a near-infrared imaging survey of luminous young stellar outflow candidates using the United Kingdom Infrared Telescope. Observations were obtained in the...
  • X-ray/NIR correlation for early-type galaxies

    The relation between X-ray luminosity and near-infrared (NIR) luminosity for early-type galaxies has been examined. NIR luminosities should provide a superior measure of stellar...
  • RCW 106 Giant Molecular Cloud 13CO mapping

    We present the first paper in a series detailing the results of ^13^CO observations of a ~1{deg}^2^ region of the giant molecular cloud (GMC) complex associated with the HII...
  • Tycho-2 stars with IR excess

    Stars of all evolutionary phases have been found to have excess infrared emission due to the presence of circumstellar material. To identify such stars, we have positionally...
  • XMM/Chandra study of IC 10

    We present an X-ray study of our nearest starburst galaxy IC 10, based on XMM-Newton and Chandra observations. A list of 73 XMM-Newton and 28 Chandra detections of point-like...
  • Bright filamentary structures in the ISM

    We present a listing of prominent filamentary structures in the interstellar cirrus, selected with an eye toward current and planned far-infrared and submillimeter polarimetry...
  • Host galaxies phot. for WISE-selected AGNs

    We present a catalog of physical properties for galaxies hosting active galactic nuclei (AGN) detected by the Wide-field Infrared Survey Explorer (WISE). By fitting broadband...
  • Opt. interferometry of G-M stars & V-K colors

    We calculate directly determined values for effective temperature (Teff) and radius (R) for 191 giant stars based upon high-resolution angular size measurements from optical...
  • Class II and III disks with Gaia and ALMA data

    The connection between the nature of a protoplanetary disk and that of a debris disk is not well understood. Dust evolution, planet formation, and disk dissipation likely play a...
  • Interferometric & AO imaging data of {alpha} Oph

    Alpha Ophiuchi (Rasalhague) is a nearby rapidly rotating A5IV star that has been imaged by infrared interferometry. {alpha} Oph is also part of a known binary system, with a...
  • FIR properties of SFGs in GOODS-N & COSMOS fields

    We analyze the far-infrared (FIR) properties of ~5000 star-forming galaxies at z<4.5, drawn from the deepest, super-deblended catalogs in the GOODS-N and COSMOS fields. We...
  • Rotators in Praesepe with K2 LCs and Gaia EDR3

    We use three campaigns of K2 observations to complete the census of rotation in low-mass members of the benchmark, ~=670Myr old open cluster Praesepe. We measure new rotation...
  • Local analogs to high-redshift galaxies. I.

    Star-forming dwarf galaxies have properties similar to those expected in high- redshift galaxies. Hence, these local galaxies may provide insights into the evolution of the...
  • T Tauri star IR excesses & Ha eq. widths

    We present a study of the evolution of the inner few astronomical units of protoplanetary disks around low-mass stars. We consider nearby stellar groups with ages spanning from...
  • TRENDS high-contrast imaging survey. VIII.

    The physical properties of faint stellar and substellar objects often rely on indirect, model-dependent estimates. For example, the masses of brown dwarfs are usually inferred...
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