11,333 datasets found

Keywords: galactic and extragalactic astronomy

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  • X-ray properties of AGN in CDFS

    We present a detailed X-ray spectral analysis of the sources in the 1Ms catalog of the Chandra Deep Field South (CDFS, J/ApJS/139/369) taking advantage of optical spectroscopy...
  • BV(RI)c photometry of S5 0716+714

    We address the topic of the intra-night optical variability of the BL Lac object S5 0716+714. To this purpose a long-term observational campaign was carried out, from 1996 to...
  • IRAS fluxes in LMC starburst regions

    Filamentary structures of early type stars are found to be a common feature of the Magellanic Clouds formed at an age of about 0.9-2x10^8^yr. As we go to younger ages these...
  • BVRI imaging of the Coma cluster

    We have obtained deep and wide field imaging of the Coma cluster of galaxies with the CFH12K camera at CFHT in the B, V, R and I filters. In this paper, we present the...
  • VLBA images of High Frequency Peakers

    We propose a morphological classification based on the parsec scale structure of fifty-one High Frequency Peakers (HFPs) from the "bright" HFP sample. VLBA images at two...
  • Companions to close spectroscopic binaries

    We have surveyed a sample of 165 solar-type spectroscopic binaries (SB) with periods from 1 to 30 days for higher-order multiplicity. 62 targets have been observed with the NACO...
  • BVRI photometry of 8 red blazars

    2482 BVRI photometric data on eight red blazars taken from 3 Observatories in the period 2003 September - 2004 February are presented. A table is given, containing the source...
  • GOODS-MUSIC sample: multicolour catalog

    We present a high quality multiwavelength (from 0.3 to 8.0 micron) catalog of the large and deep area in the GOODS Southern Field covered by the deep near-IR observations...
  • AMIGA. II. Morphological refinement

    We present a refinement of the optical morphologies for galaxies in the Catalog of Isolated Galaxies (Karachentseva et al., 1973, Cat. ) that forms the basis of the AMIGA...
  • HI observations of Coma Supercluster

    High sensitivity 21-cm HI line observations with an rms noise level of ~0.5mJy were made of 35 spiral galaxies in the Coma Supercluster, using the refurbished Arecibo telescope,...
  • Radial velocities in A2744

    We present a detailed dynamical analysis of the rich galaxy cluster A2744, containing a powerful diffuse radio-halo. Our analysis is based on redshift data for 102 galaxies,...
  • VIJsKs photometry in AM 1339-445 and AM1343-452

    We study the red giant populations of two dwarf elliptical (dE) galaxies, AM 1339-445 and AM 1343-452. The galaxies are members of the Centaurus A group (D~3.8Mpc), and are...
  • Abundances of emission galaxies in SDSS-DR3

    We have re-evaluated empirical expressions for the abundance determination of N, O, Ne, S, Cl, Ar and Fe taking into account the latest atomic data and constructing an...
  • Photometry and lines of (z~0.2-1.0) galaxies

    We present the spectrophotometric properties of a sample of 141 emission-line galaxies at redshifts in the range 0.2<z<1.0 with a peak around 0.2<=z<=0.4. The...
  • Sample of confirmed WDs in GSC-II survey

    The GSC-II white dwarf survey was designed to identify faint and high proper motion objects, which we used to define a new and independent sample of cool white dwarfs. With this...
  • Radial velocities of Leo I globular clusters

    VLT/FLAMES radial velocities for 50 Globular Clusters (GCs), 37 field stars and 21 unclassified objects around the Leo I group galaxies NGC 3379 and NGC 3384 are presented....
  • XMM-Newton survey of M33

    We present an analysis of the individual observations of a deep XMM-Newton survey of the Local Group spiral galaxy M33. We detected a total of 350 sources with fluxes (in the...
  • Luminous AGB stars in nearby galaxies

    This study focuses on very luminous (M_bol_<-6.0mag) AGB stars with J-Ks>1.5mag and H-Ks>0.4mag in the LMC, SMC, M 31, and M 33 from 2MASS data. Cone search capability...
  • R I CN TiO photometry of DDO190 carbon stars

    We have carried out deep R, I, CN, TiO observations of the dwarf irregular galaxy DDO 190. We confirm the existence intermediate-age population around this galaxy. The...
  • 3D-kinematics of white dwarfs from SPY project. II.

    We present the kinematics of a sample of 398 DA white dwarfs from the SPY project (ESO SN Ia Progenitor surveY) and discuss kinematic criteria for distinguishing of thin-disk,...
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