Current Star Formation in Post-Starburst Galaxies?

Radio continuum observations are a probe of star formation in galaxies, and are unaffected by dust extinction. Observations of the distant rich cluster Cl 0939+4713 have detected radio galaxies classified as post-starburst (``k+a'') on the basis of their optical spectra, and presumably this situation arises from heavily dust-obscured star formation (Smail et al. 1999). We present the results of a radio continuum survey of post-starburst galaxies identified from the Las Campanas Redshift Survey by Zabludoff et al. (1996). This sample was selected using very stringent criteria, and therefore provides an estimate on the incidence of potential star formation in galaxies whose optical spectra exhibit the strongest post-starburst features. We detected two of fifteen such galaxies at radio luminosities consistent with moderate levels of star formation. This result underscores the potential importance of dust extinction when investigating star formation in galaxies.Comment: Replaced with corrected version of Table

Critique and neoliberalism in Michel Foucault

This dissertation argues that Foucault\u27s concept of critique is a practice that principally consists of desubjection and the history of the present. Critique thinks the identity of its historical present on the basis of what escapes this identity. It participates in these escapes by exploring how they challenge the concepts of extant critical discourse and illuminate the existing order of things in their contingent historicality. As the limits of a historical present involve the rules of discourse, the forms of power relations, and the production of subjectivities, critical thought must ally itself with that which undoes existing subjectivities by struggling with and against the limits of the present. Thus critique is an ethical and political practice of desubjecting the critic themselves. I explore this notion of critique by focusing on three pivotal moments in Foucault\u27s trajectory: his critique of anthropology in his earlier archaeological period, his turn to genealogy and the politics of truth, and his study of neoliberalism and subsequent turn to ethics and subjectivation. In the first, I identify how critique as a unity of the history of the present and desubjection emerges in relation to its object, namely, man as the subject and object of anthopological discourse starting in the late 19th century. As the conditions of man–the being of language for Foucault–are fundamentally groundless, critique must take up this groundlessness and pursue the negation of man. In the second pivotal moment, I identify how Foucault\u27s turn to the politics of truth understands the negation of man to be hindered by the practices of power that have produced man as a form of knowledge within various strategies of subjection. Finally, I explore Foucault\u27s conception of neoliberalism as a test of critique inasmuch as it founds subjection on the economic freedom of market subjects. I conclude by exploring insurrectionary communism and cynical destitution as Foucaultian hypotheses for critiquing neoliberalism in practice

Preliminary Design and Concept of Operations for a Small Tactical Imaging Satellite

Tactical commanders could use a reconnaissance satellite which is survivable, flexible in operations, and able to provide real time direct data of high quality imagery. By design, the imaging satellite would be inexpensive and mutually beneficial to all the armed services. The imaging satellite is solar powered and 3 axis stabilized. A constellation of satellites in sun synchronous orbits will provide near worldwide coverage with revisit times of 90 minutes. Command and control will come from a single field unit, although many units may have receive capability. The satellite could be used during times of crisis or stored for future use when reconstitution of forces may be necessary. The satellite will use binary optics and charge coupled devices (CCD) in its imagery system. Data compression is necessary because of bandwidth constraints inherent in the Defense Satellite Communication System (DSCS III)

The Radio Galaxy Populations of Nearby Northern Abell Clusters

We report on the use of the NRAO VLA Sky Survey (NVSS) to identify radio galaxie s in eighteen nearby Abell clusters. The listings extend from the cores of the clusters out to radii of 3 Mpc, which corresponds to 1.5 Abell radii and approximately four orders of magnitude in galaxy density. To create a truly useful catalog, we have collected optical spectra for nearly all of the galaxies lacking public velocity measurements. Consequently, we are able to discriminate between those radio galaxies seen in projection on the cluster and those which are in actuality cluster members. The resulting catalog consists of 329 cluster radio galaxies plus 138 galaxies deemed foreground/background objects, and new velocity measurements are reported for 273 of these radio galaxies. The motivation for the catalog is the study of galaxy evolution in the cluster environment. The radio luminosity function (RLF) is a powerful tool in the identification of active galaxies, as it is dominated by star-forming galaxies at intermediate luminosities and active galactic nuclei (AGN) at higher luminosities. The flux limit of the NVSS allows us to identify AGN and star- forming galaxies down to star formation rates (SFR) less than 1 solar mass per year. This sensitivity, coupled with the all-sky nature of the NVSS, allows us to produce a catalog of considerable depth and breadth. In addition to these data, we report detected infrared fluxes and upper limits obtained from IRAS data. It is hoped that this database will prove useful in a number of potential studies of the effect of environment on galaxy evolution.Comment: 53 pages (AASTeX v5.0), plus 3 figures. To appear in the Astrophysical Journal Supplement Serie

Therapeutic Phlebotomy Related to Polycythemia Vera and Hemochromatosis

This study looks at therapeutic phlebotomy as first-line treatment of blood disorders, including polycythemia vera and hemochromatosis. Some professionals prefer alternative treatments to phlebotomy