Results 211 to 220 of about 78,490 (277)

Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XV. Long‐Term Optical Monitoring of NGC 5548 [PDF]

, 1999
B. M. Peterson, Aaron J. Barth, P. Berlind, R. Bertram, K. Bischoff, N. G. Bochkarev, A. N. Burenkov, F. Z. Cheng, M. Dietrich, A. V. Filippenko, E. Giannuzzo, Luis C. Ho, J. Huchra, James F. Hunley, S. Kaspi, W. Kollatschny, Douglas C. Leonard, Yu. F. Malkov, T. Matheson, M. Mignoli, B. Nelson, P. Papaderos, James Peters, Richard W. Pogge, V. I. Pronik, С. Г. Сергеев, Е. А. Сергеева, A. I. Shapovalova, G. M. Stirpe, S. Tokarz, R. M. Wagner, I. Wanders, Jian‐Yan Wei, B. J. Wilkes, Hong Wu, Suijian Xue, Z. L. Zou   +36 more
openalex   +1 more source

The long-term stability of solid-state oral pharmaceuticals exposed to simulated intravehicular space radiation. [PDF]

NPJ Microgravity
Plante I, Daniels V, Young M, Gaza R, Wu H, Reichard JF.   +5 more
europepmc   +1 more source

Imprints of massive black-hole binaries on neighbouring decihertz gravitational-wave sources. [PDF]

Nat Astron
Stegmann J, Zwick L, Vermeulen SM, Antonini F, Mayer L.   +4 more
europepmc   +1 more source

Observation of an ultra-high-energy cosmic neutrino with KM3NeT. [PDF]

Nature
KM3NeT Collaboration.
europepmc   +1 more source

The Nature of the Low-Luminosity Active Galactic Nuclei in NGC 3147

, 1996
A. Ptak, T. Yaqoob, P. J. Serlemitsos, H. Kunieda, Yuichi Terashima   +4 more
openalex   +1 more source

Polarization from magnetized accretion discs in active galactic nuclei

, 1996
Eric Agol, Omer Blaes
openalex   +1 more source

The Origins & Reservoirs of Exocomets. [PDF]

Space Sci Rev
Bannister M, Pfalzner S, Pearce T, Mustill AJ, Klahr H, Nomura H, Ohashi N, Kokotanekova R, Marino S, Bodewits D, Marschall R, Seligman DZ, Jones GH, Veras D.   +13 more
europepmc   +1 more source

Kinetic alfven-acoustic waves at relativistic and ultra-relativistic Fermi energies. [PDF]

Sci Rep
Asam MT, Shah HA, Masood W.
europepmc   +1 more source

X-ray astronomy from the lunar surface. [PDF]

Philos Trans A Math Phys Eng Sci
Gandhi P.
europepmc   +1 more source