480 datasets found

Keywords: astronomical object identification

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  • 2LC Compact Radio Sources in the galactic center

    We have used the VLA at 1.4GHz to survey the inner 2{deg} of the Galactic center for radio pulsar candidates. Because of the large pulse broadening suffered by Galactic center...
  • FIRST-APM Source Catalog

    We describe a program to identify optical counterparts to radio sources from the VLA FIRST survey using the Cambridge APM scans of the POSS-I plates. We use radio observations...
  • Classification of IRAS Sources

    IRAS low-resolution spectra were extracted for 11,224 IRAS sources. These spectra were classified into astrophysical classes, based on the presence of emission and absorption...
  • Chandra obs. of the Trifid region & ARCoIRIS sp.

    The dynamical states of molecular clouds may affect the properties of the stars they form. In the vicinity of the Trifid Nebula (d=1180+/-25pc), the main star cluster (Trifid...
  • 44GHz VLA obs. of methanol masers in DR21(OH)

    High-mass stars play an important role in the interstellar medium, but much remains to be known about their formation. Class I methanol masers may be unique tracers of an early...
  • SNR and HII regions in M83 observed with MUSE

    Here we describe a new study of the supernova remnants (SNRs) and SNR candidates in nearby face-on spiral galaxy M83, based primarily on MUSE integral field spectroscopy. Our...
  • MALS SALT-NOT survey of MIR-selected AGN at z<3.5

    We present results of an optical spectroscopic survey using SALT and the Nordic Optical Telescope to build a Wide-field Infrared Survey Explorer mid-infrared color-based,...
  • K2 rotation periods for SDSS & Gaia M dwarfs

    In this work we examine M dwarf rotation rates at a range of ages to establish benchmarks for M dwarf gyrochronology. This work includes a sample of 713 spectroscopically...
  • Cross-match between Swift-BAT & Fermi-LAT 10yrs

    We report the results of a cross-match study between the hard X-ray and GeV gamma-ray catalogs, by making use of the latest 105 month Swift-Burst Alert Telescope (BAT) and 10yr...
  • Stellar polarimetry with Gaia DR2 data

    Optical stellar polarimetry in the Perseus molecular cloud direction is known to show a fully mixed bimodal distribution of position angles across the cloud. We study the Gaia...
  • Classifications from Gaia & WISE data

    In the coming years, next-generation space-based infrared observatories will significantly increase our samples of rare massive stars, representing a tremendous opportunity to...
  • M83 X-ray binary classifications from HST

    Building on recent work by Chandar+ (2020, J/ApJ/890/150), we construct X-ray luminosity functions (XLFs) for different classes of X-ray binary (XRB) donors in the nearby...
  • RR Lyrae variable stars in DES Y6

    We present a search for RR Lyrae stars using the full six-year data set from the Dark Energy Survey covering ~5000deg^2^ of the southern sky. Using a multistage multivariate...
  • VLA Frontier Fields survey for 3 MACS clusters

    The Frontier Fields project is an observational campaign targeting six galaxy clusters, with the intention of using the magnification provided by gravitational lensing to study...
  • StrayCats: NuSTAR stray light obs.

    We present StrayCats, a catalog of Nuclear Spectroscopic Telescope ARray (NuSTAR) stray light observations of X-ray sources. Stray light observations arise for sources...
  • Ruprecht 147 members & rot. data for 5 other cl.

    Recent measurements of rotation periods (P_rot_) in the benchmark open clusters Praesepe (670Myr), NGC6811 (1Gyr), and NGC752 (1.4Gyr) demonstrate that, after converging onto a...
  • Fourth catalog of Fermi LAT-detected AGNs (4LAC)

    The fourth catalog of active galactic nuclei (AGNs) detected by the Fermi Gamma-ray Space Telescope Large Area Telescope (4LAC) between 2008 August 4 and 2016 August 2 contains...
  • Radio & opt/NIR counterparts of S2COSMOS submm galaxies

    We identify multi-wavelength counterparts to 1147 submillimeter sources from the S2COSMOS SCUBA-2 survey of the COSMOS field by employing a recently developed...
  • Masses of SNR progenitors in M83

    We determine the ages of the young, resolved stellar populations at the locations of 237 optically identified supernova remnants in M83. These age distributions put constraints...
  • Photometric redshifts in the EGOODS-North field

    We present deep J- and H-band images in the extended Great Observatories Origins Deep Survey-North field covering an area of 0.22deg^2^. The observations were taken using WIRCam...
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