24,630 datasets found

Keywords: observational astronomy

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  • S4G pipeline 4: multi-component decompositions

    The Spitzer Survey of Stellar Structure in Galaxies (S^4^G) is a deep 3.6 and 4.5{mu}m imaging survey of 2352 nearby (<40Mpc) galaxies. We describe the S^4^G data analysis...
  • QSOs selection from SDSS and WISE

    We identify 885503 type 1 quasar candidates to i<~22 using the combination of optical and mid-IR photometry. Optical photometry is taken from the Sloan Digital Sky...
  • Surveys of asteroid rotation periods using iPTF

    Two dedicated asteroid rotation-period surveys have been carried out in the R band with ~20 minute cadence using the intermediate Palomar Transient Factory (iPTF) during 2014...
  • Light curves of RR Lyrae stars in M3 (NGC5272)

    The overtone and multi-mode RR Lyrae stars in the globular cluster M3 are studied using a 200 day long, B,V, and l_c_ time-series photometry obtained in 2012. 70% of the 52...
  • BGPS. XI. SHARC-II 350um observations

    We present 107 maps of continuum emission at 350{mu}m from Galactic molecular clumps. Observed sources were mainly selected from the Bolocam Galactic Plane Survey (BGPS)...
  • Orion A dense cores based on 1.1mm and C^18^O

    We present Orion A giant molecular cloud core catalogs, which are based on a 1.1mm map with an angular resolution of 36" (~0.07pc) and C^18^O (J=1-0) data with an angular...
  • HLA-SIII : F673N, FQ672N and FQ674N survey collection

    The HST-HLA Hierarchical Progressive Survey (HiPS) has been built by Daniel Durand from CADC and distributed by CDS. It sets together all HST observations done in F673N, FQ672N...
  • Localizations of GRBs with Fermi GBM

    The Fermi Gamma-ray Burst Monitor (GBM) has detected over 1400 gamma-ray bursts (GRBs) since it began science operations in 2008 July. We use a subset of over 300 GRBs localized...
  • Photometric redshifts in the Hawaii-HDF-N

    We derive photometric redshifts (z_phot_) for sources in the entire (~0.4deg^2^) Hawaii-Hubble Deep Field-North (H-HDF-N) field with the EAzY code, based on...
  • Hydrogen and Helium EOS in brown dwarfs

    We present new equations of state (EOSs) for hydrogen and helium covering a wide range of temperatures from 60K to 10^7^K and densities from 10^-10^g/cm^3^ to 10^3^g/cm^3^. They...
  • SMaSH+: observations and companion detection

    Multiplicity is one of the most fundamental observable properties of massive O-type stars and offers a promising way to discriminate between massive star formation theories....
  • CO survey of molecular clouds. IV. NGC 1333

    We mapped the NGC 1333 section of the Perseus Molecular Cloud in the J=2-1 emission lines of ^12^CO and ^13^CO over a 50'x60' region (3.4x4.1pc at the cloud distance of 235pc),...
  • 3D-HST+CANDELS catalog

    The 3D-HST and CANDELS programs have provided WFC3 and ACS spectroscopy and photometry over ~900arcmin^2^ in five fields: AEGIS, COSMOS, GOODS-North, GOODS-South, and the UKIDSS...
  • AKARI NEP field J- and H- band source catalog

    We present the J- and H-band source catalog covering the AKARI North Ecliptic Pole field. Filling the gap between the optical data from other follow-up observations and...
  • Catalina Surveys periodic variable stars

    We present ~47000 periodic variables found during the analysis of 5.4 million variable star candidates within a 20000deg^2^ region covered by the Catalina Surveys Data Release-1...
  • Blazhko effect from 4yr of Kepler data

    In order to benefit from the four year unprecedented precision of the Kepler data, we extracted light curves from the pixel photometric data of the Kepler space telescope for 15...
  • EGRET Dif 30-50MeV survey collection

    This data presents all-sky maps of diffuse gamma radiation in energy ranges between 100 MeV to 150 MeV, based on data collected by the EGRET instrument on the Compton Gamma Ray...
  • VISTA VIKING Z survey collection

    The VIKING (VISTA Kilo-degree Infrared Galaxy) survey is a medium-deep survey of 1500 square degrees over two areas of the extra-galactic sky with VISTA in zYJHKs bands to...
  • QUIJOTE MFI DR1 17GHz Polarization survey collection

    The QUIJOTE (Q-U-I JOint TEnerife) CMB Experiment is a scientific collaboration between the Instituto de Astrofisica de Canarias (Tenerife, Spain), the Instituto de Fisica de...
  • EGRET Dif 100-150MeV survey collection

    This data presents all-sky maps of diffuse gamma radiation in energy ranges between 100 MeV to 150 MeV, based on data collected by the EGRET instrument on the Compton Gamma Ray...
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