Results 251 to 260 of about 1,532,155 (277)
Wide-field mid-infrared hyperspectral imaging beyond video rate. [PDF]
Nat CommunFang J +6 more
europepmc +1 more source
Homogalacturonans and Hemicelluloses in the External Glands of Utricularia dichotoma Traps. [PDF]
Int J Mol SciPłachno BJ +3 more
europepmc +1 more source
High-Energy Neutrinos From Fast Winds in Novae [PDF]
Monthly Notices of the Royal Astronomical Society, 2022 ABSTRACT We discuss a scenario in which TeV neutrinos are produced during explosions of novae. It is argued that hadrons are accelerated to very high energies in the inner part of a nova wind, as a result of reconnection of the strong magnetic field of a white dwarf. Hadrons are expected to interact efficiently with a dense matter of the
Wlodek Bednarek, A Smiałkowski
exaly +3 more sources
Discovery of a New Photometric Sub-Class of Faint and Fast Classical Novae [PDF]
Astrophysical Journal, 2011 We present photometric and spectroscopic follow-up of a sample of extragalactic novae discovered by the Palomar 60-inch telescope during a search for "Fast Transients In Nearest Galaxies" (P60-FasTING). Designed as a fast cadence (1-day) and deep (g < 21 mag) survey, P60-FasTING was particularly sensitive to short-lived and faint optical transients.
Shrinivas Kulkarni +2 more
exaly +5 more sources
Defining Characteristics of Fast Novae [PDF]
International Astronomical Union Colloquium, 1979 Scrutiny of the light curves of the common novae yields important clues concerning both the nature of the nova outburst and the characteristics of the underlying white dwarfs. Ultraviolet and infrared observations have served to make available essentially complete bolometric light curves for several recent novae.
exaly +2 more sources
Abundance Analysis of the Extremely Fast ONeMg Novae V838 Herculis and V4160 Sagittarii
Astrophysical Journal, 2007 V838 Her and V4160 Sgr were two of the fastest classical novae ever observed, exhibiting light curve declines of 2 mag in less than 2 days. Both novae also showed strong neon emission lines, indicative of an outburst occurring on an oxygen-neon-magnesium white dwarf.
Sumner Starrfield
exaly +6 more sources
A Light Curve Analysis of Recurrent and Very Fast Novae in Our Galaxy, Magellanic Clouds, and M31 [PDF]
Astrophysical Journal, Supplement Series, 2018 AbstractWe analyzed optical, UV, and X-ray light curves of 14 recurrent and very fast novae in our Galaxy, Magellanic Clouds, and M31, and obtained their distances and white dwarf (WD) masses. Among the 14 novae, we found that eight novae host very massive (≳1.35M☉) WDs and are candidates for Type Ia supernova (SN Ia) progenitors. We confirmed that the
Izumi Hachisu, Mariko Kato
exaly +3 more sources
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The Outburst of the Very Fast Nova Aql 2009 (V1722 Aql)
Publications of the Astronomical Society of the Pacific, 2010Absolute spectrophotometry, high-resolution echelle spectroscopy, and BV RCIC photometry were obtained to monitor and study the outburst evolution of Nova Aql 2009. When discovered, it was setting near evening twilight, and this prevented the observations from extending past the optically thick phase.
Ulisse Munari +4 more
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Light Curves and Absolute Magnitudes of Four Recent Fast LMC Novae [PDF]
International Astronomical Union Colloquium, 2004 AbstractThe light curves of four recent fast LMC novae (Nova LMC 1988a, 1992, 1995, 2000) have been analysed to obtain the parameter t2 the time for a two magnitude decline below maximum light. Using the calibration of Della Valle & Livio (1995), values of MV at maximum are obtained.
J.B. Hearnshaw +3 more
exaly +2 more sources
Analysis of Three Fast Oxygen‐Neon‐Magnesium Novae
Publications of the Astronomical Society of the Pacific, 1998Since astronomers have only known about the existence of oxygen-neon-magnesium (ONeMg) novae for the last decade, little work has been done on them as a group. The purpose of this work was to study three fast ONeMg novae: V838 Nova Herculis 1991 (Her 91), V693 Nova Coronae Australis 1981 (CrA 81), and Nova LMC 1990 No. 1 (LMC 90a).
openaire +1 more source