Astrofísicas: Velocidad radial

  • Publicación
    H II region spectroscopy and two dimensional stellar photometry of the barred Seyfert NGC 1566
    Radial velocities of 14 H II regions were obtained using reticon spectroscopy at H-alpha for the barred spiral NGC 1566. The same spectra also yield N II/H and...
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    HD 119130 b Is Not an "Ultradense" Sub-Neptune
    We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet (P = 17 days, R p = 2.63 ‑ 0.10 + 0.11 R ⊕) orbiting a...
  • Publicación
    HD 119130 b Is Not an "Ultradense" Sub-Neptune
    We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet (P = 17 days, R p = R ⊕) orbiting a chromospherically inactive G dwarf...
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    Hyades Member K2-136c: The Smallest Planet in an Open Cluster with a Precisely Measured Mass
    K2-136 is a late-K dwarf (0.742 ± 0.039 M ⊙) in the Hyades open cluster with three known, transiting planets and an age of 650 ± 70 Myr. Analyzing K2 photometry...
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    Infrared photometry of upper main sequence stars in M39
    Infrared photometry of 19 Main sequence stars in the open cluster M39 is presented. Infrared-infrared and optical-infrared color-color and color-magnitude...
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    Interstellar and intergalactic gas in the direction of SN 1993J in M81
    During the first few nights following its discovery, we observed the interstellar Ca II and Na I lines towards supernova 1993J at high spectral resolution (full...
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    IRAS 17423-1755: A BQ() star with a variable velocity outflow
    Infrared Astronomy Satellite (IRAS) 17423-1755 has been identified as a BQ() star. Its more remarkable observed features are large radial velocities, huge line...
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    IRAS 22568 + 6141 - A new bipolar planetary nebula
    The identification of a bipolar planetary nebula is reported with a description of its characteristics. The nebula IRAS 22568 + 6141 has an extension of 8...
  • Publicación
    KELT-24b: A 5M <SUB>J</SUB> Planet on a 5.6 day Well-aligned Orbit around the Young V = 8.3 F-star HD 93148
    We present the discovery of KELT-24 b, a massive hot Jupiter orbiting a bright (V = 8.3 mag, K = 7.2 mag) young F-star with a period of 5.6 days. The host star...