393 datasets found

Keywords: broad band photometry

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  • Long-term BVRI photometry of V900 Mon

    We present results from photometric monitoring of V900 Mon, one of the newly discovered and still under-studied object from the FU Orionis type. The FUor phenomenon is very...
  • Long-Term Photometry of five PMS stars

    We present results from long-term optical photometric and spectroscopic observations of five pre-main sequence stars, located in the vicinity of the bright nebula NGC 7129. We...
  • UBVRI phot. for galaxies, Gal. GCs & stars

    From 1982 January to 1988 October, I used the 76-cm and 91-cm (30-inch and 36-inch) reflectors at McDonald Observatory in West Texas for UBV(RI)c observations of 239 galaxies,...
  • NGC 225 CCD UBV photometry

    We present the results of CCD UBV photometric and spectroscopic observations of the open cluster NGC 225. In order to determine the structural parameters of NGC 225, we...
  • V839 Cep UBVRIRcIc light curves

    New high-precision photometric measurements of the eclipsing star V839 Cep (P=9.96-day, V(A+B)=9.64mag, e=0.07, B6 V + B7 V), which is the A component of the visual double star...
  • V957 Cep B,V,R,Rc light curves

    New high-precision photometric measurements of the V957 Cep system (P=1.99d, V=11.17, e=0.127, B6 V+B8 V), as well as an integrated approach to orbital parameters determining...
  • Star clusters study in PHANGS-HST galaxies

    Using PHANGS-HST NUV-U-B-V-I imaging of 17 nearby spiral galaxies, we study samples of star clusters and stellar associations, visually selected to be bright and relatively...
  • PN Ou5 gri and RV curves

    We present a detailed study of the stellar and orbital parameters of the post-common envelope binary central star of the planetary nebula Ou5. Low-resolution spectra obtained...
  • SNe Ia type LF study

    We construct the Type Ia supernovae (SNe Ia) luminosity function (LF) using the Zwicky Transient Facility Bright Transient Survey (BTS) catalogue. While this magnitude-limited...
  • The extended MILES library

    Extragalactic astronomy and stellar astrophysics are intrinsically related. In fact, the determination of important galaxy properties such as stellar masses, star formation...
  • VISTA and Subaru/HSC obs. of Upper Scorpius

    We aim at identifying very low-mass isolated planetary-mass member candidates in the nearest OB association to the Sun, Upper Scorpius (145pc; 5-10Myr), to constrain the form...
  • Spectrophotometric standard cand. photometry

    We present Johnson-Kron-Cousins BVRI photometry of 228 candidate spectrophotometric standard stars for the external (absolute) flux calibration of Gaia data. The data were...
  • GOGREEN and GCLASS surveys: DR1

    We present the first public data release of the GOGREEN (Gemini Observations of Galaxies in Rich Early Environments) and GCLASS (Gemini CLuster Astrophysics Spectroscopic...
  • Properties of the Hydra cluster galaxies

    The nearby Hydra cluster (~50Mpc) is an ideal laboratory to understand, in detail, the influence of the environment on the morphology and quenching of galaxies in dense...
  • Rotation and lithium depletion of M35 dwarfs

    New fibre spectroscopy and radial velocities from the WIYN telescope are used to measure photospheric lithium in 242 high-probability, zero-age main-sequence F- to K-type...
  • Redshifts and fluxes for emission-line galaxies

    The forthcoming Dark Energy Spectroscopic Instrument (DESI) experiment plans to measure the effects of dark energy on the expansion of the Universe and create a 3D map of the...
  • CCD Washington photometry of Antlia cluster

    We present an extension of our previous research on the early-type galaxy population of the Antlia cluster (d~35Mpc), achieving a total coverage of ~2.6deg^2^ and performing...
  • Studying Type II supernovae using the DES

    Despite vast improvements in the measurement of the cosmological parameters, the nature of dark energy and an accurate value of the Hubble constant (H_0_) in the Hubble-Lemaitre...
  • Flare cumulative frequencies of UV Ceti stars

    In this study, as a result of the photometric observations continued on nine UV Ceti type stars, examining the parameters obtained from the models of distributions of the flare...
  • SN host galaxies in the dark energy survey I

    The 5-yr Dark Energy Survey Supernova Programme (DES-SN) is one of the largest and deepest transient surveys to date in terms of volume and number of supernovae. Identifying and...
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