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  • Astronomy  (7)
  • Psychotria  (6)
  • 2020-2023
  • 2005-2009  (13)
  • 1935-1939
  • 1925-1929
  • 1
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    Five new combinations and one new name in Rubiaceae from South-East Asia (2005)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.50 (2005) nr.3 p.575
    Details
    Publication Date: 2015-03-06
    Description: Five new combinations and one new name are proposed for six Rubiaceae species from South-East Asia. Four new combinations are proposed in Cyclophyllum and one in Psychotria; a new name is proposed for one Psychotria species.
    Keywords: Amaracarpus ; Canthium ; Cyclophyllum ; Plectronia ; Psychotria ; Rubiaceae ; South-East Asia
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    Indian Ocean Mapouria species transferred to Psychotria (Rubiaceae–Psychotrieae) (2007)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.52 (2007) nr.2 p.245
    Details
    Publication Date: 2015-03-06
    Description: Mapouria Aubl. is a synonym of Psychotria L. In Madagascar and the Comoros there are 67 species of Mapouria that fall within the circumscription of Psychotria and correspondingly 64 species (67 taxa) require transfer to Psychotria. Thirty-seven new combinations and 30 new names are proposed; five lectotypes are designated.
    Keywords: Psychotrieae ; Mapouria ; Psychotria ; Comoros ; Madagascar
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    A new name in Psychotria (Rubiaceae–Psychotrieae): Psychotria andramontaensis (2008)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.53 (2008) nr.2 p.384
    Details
    Publication Date: 2015-03-06
    Description: In order to provide an accepted name for the later homonym P. bremekampiana A.P.Davis & Govaerts we propose a new name in Psychotria: P. andramontaensis A.P.Davis & Govaerts.
    Keywords: Psychotrieae ; Mapouria ; Psychotria ; Madagascar
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
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    Indian Ocean Mapouria species transferred to\nPsychotria (Rubiaceae\xe2\x80\x93Psychotrieae) (2007)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 52 no. 2, pp. 245-262
    Details
    Publication Date: 2024-01-12
    Description: Mapouria Aubl. is a synonym of Psychotria L. In Madagascar and the Comoros there are 67 species of Mapouria that fall within the circumscription of Psychotria and correspondingly 64 species (67 taxa) require transfer to Psychotria. Thirty-seven new combinations and 30 new names are proposed; five lectotypes are designated.
    Keywords: Psychotrieae ; Mapouria ; Psychotria ; Comoros ; Madagascar
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    A new name in Psychotria (Rubiaceae\xe2\x80\x93Psychotrieae): Psychotria andramontaensis (2008)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 53 no. 2, pp. 384-384
    Details
    Publication Date: 2024-01-12
    Description: In order to provide an accepted name for the later homonym P. bremekampiana A.P.Davis & Govaerts we propose a new name in Psychotria: P. andramontaensis A.P.Davis & Govaerts.
    Keywords: Psychotrieae ; Mapouria ; Psychotria ; Madagascar
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    Five new combinations and one new name in Rubiaceae from South-East Asia (2005)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 50 no. 3, pp. 575-578
    Details
    Publication Date: 2024-01-12
    Description: Five new combinations and one new name are proposed for six Rubiaceae species from South-East Asia. Four new combinations are proposed in Cyclophyllum and one in Psychotria; a new name is proposed for one Psychotria species.
    Keywords: Amaracarpus ; Canthium ; Cyclophyllum ; Plectronia ; Psychotria ; Rubiaceae ; South-East\nAsia
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    Hinode Observations of the Onset Stage of a Solar Filament Eruption (2007)
    In:  Other Sources
    Details
    Publication Date: 2018-06-12
    Description: We used Hinode X-Ray Telescope (XRT) and Solar Optical Telescope (SOT) filtergraph (FG) Stokes-V magnetogram observations, to study the early onset of a solar eruption that includes an erupting filament that we observe in TRACE EUV images. The filament undergoes a slow rise for at least 20min prior to its fast eruption and strong soft X-ray (SXR) flaring; such slow rises have been previously reported, and the new Hinode data elucidate the physical processes occurring during this period. XRT images show that during the slow-rise phase, an SXR sigmoid forms from apparent reconnection low in the sheared core field traced by the filament, and there is a low-level intensity peak in both EUV and SXRs during the slow rise. MDI and SOT FG Stokes-V magnetograms show that the pre-emption filament is along a neutral line between opposing-polarity enhanced network cells, and the SOT magnetograms show that these opposing fields are flowing together and canceling for at least six hours prior to eruption. From the MDI data we measured the canceling network fields to be approx. 40 G, and we estimated that approx. 10(exp 19)Mx of flux canceled during the five hours prior to eruption; this is only approx.5% of the total flux spanned by the eruption and flare, but apparently its tether-cutting cancellation was enough to destabilize the sigmoid field holding the filament and resulted in that field's eruption.
    Keywords: Astronomy
    Type: Publications of the Astronomical Society of Japan; Volume 59; S823-S829
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  • 8
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    A Catalog of Galaxy Clusters Observed by XMM-Newton (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: Images and the radial profiles of the temperature, abundance, and brightness for 70 clusters of galaxies observed by XMM-Newton are presented along with a detailed discussion of the data reduction and analysis methods, including background modeling, which were used in the processing. Proper consideration of the various background components is vital to extend the reliable determination of cluster parameters to the largest possible cluster radii. The various components of the background including the quiescent particle background, cosmic diffuse emission, soft proton contamination, and solar wind charge exchange emission are discussed along with suggested means of their identification, filtering, and/or their modeling and subtraction. Every component is spectrally variable, sometimes significantly so, and all components except the cosmic background are temporally variable as well. The distributions of the events over the FOV vary between the components, and some distributions vary with energy. The scientific results from observations of low surface brightness objects and the diffuse background itself can be strongly affected by these background components and therefore great care should be taken in their consideration.
    Keywords: Astronomy
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  • 9
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    The Hinode(Solar-B)Mission: An Overview (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-12
    Description: The Hinode satellite (formerly Solar-B) of the Japan Aerospace Exploration Agency's Institute of Space and Astronautical Science (ISAS/JAXA) was successfully launched in September 2006. As the successor to the Yohkoh mission, it aims to understand how magnetic energy is transferred from the photosphere to the upper atmospheres and resulting in explosive energy releases. Hinode is an observatory style mission, with all the instruments being designed and built to work together to address the science aims. There are three instruments onboard: the Solar Optical Telescope (SOT), the EUV Imaging Spectrometer (EIS), and the X-ray Telescope (XRT). This paper overviews the mission, including the satellite, the scientific payload and operations. It will conclude with discussions on how the international science community can participate in the analysis of the mission data.
    Keywords: Astronomy
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  • 10
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    Hinode Observations of the Onset Stage of a Solar Filament Eruption (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-12
    Description: We use Hinode X-Ray Telescope (XRT) and Solar Optical Telescope (SOT) filtergraph (FG) Stokes-V magnetogram observations, to study the early onset of a solar eruption that includes an erupting filament that we observe in TRACE EUV images. The filament undergoes a slow rise for at least 20 min prior to its fast eruption and strong soft X-ray flaring; such slow rises have been previously reported, and the new Hinode data elucidate the physical processes occurring during this period. XRT images show that during the slow-rise phase, a soft X-ray (SXR) sigmoid forms from apparent reconnection low in the sheared core field traced by the filament, and there is a low-level intensity peak in both EUV and SXRs during the slow rise. MDI and SOT FG/V magnetograms show that the pre-eruption filament is along a neutral line between opposing-polarity enhanced network cells, and the SOT magnetograms show that these opposing fields are flowing together and canceling for at least six hours prior to eruption. From the MDI data we measure the canceling network fields to be approx. 40 G, and we estimate that approx. 10(exp 19) Mx of flux canceled during the five hours prior to eruption; this is only approx. 5% of the total flux spanned by the eruption and flare, but apparently its tether-cutting cancellation was enough to destabilize the sigmoid field holding the filament and resulted in that field's eruption.
    Keywords: Astronomy
    Format: application/pdf
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