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What triggers galaxy transformations? The environments of post-starburst galaxies
David W. Hogg, Morad Masjedi, Andreas A. Berlind +3
(abridged) There are good observational reasons to believe that the progenitors of red galaxies have undergone starbursts, followed by a post-starburst phase. We investigate the en…
XMM-Newton and optical follow-up observations of SDSS J093249.57+472523.0 and SDSS J102347.67+003841.2
Lee Homer, Paula Szkody, Bing Chen +5
We report follow-up XMM-Newton and ground-based optical observations of the unusual X-ray binary SDSS J102347.67+003841.2 (=FIRST J102347.6+003841), and a new candidate intermediat…
Evolution and environment of early-type galaxies
M. Bernardi, R. C. Nichol, R. K. Sheth +2
We study the photometric and spectral properties of 39320 early-type galaxies within the SDSS, as a function of both local environment and redshift. The distance to the nearest clu…
Candidate spectroscopic binaries in the Sloan Digital Sky Survey
D. Pourbaix, G. R. Knapp, P. Szkody +11
We have examined the radial velocity data for stars spectroscopically observed by the Sloan Digital Sky Survey (SDSS) more than once to investigate the incidence of spectroscopic b…
XMM-Newton and optical follow-up observations of three new polars from the Sloan Digital Sky Survey
Lee Homer, Paula Szkody, Bing Chen +7
We report follow-up XMM-Newton and optical observations of three new polars found in the Sloan Digital Sky Survey. Simple modeling of the X-ray spectra, and consideration of the de…
XMM-Newton Observations of the Extremely Low Accretion Rate Polars SDSSJ15531.12+551614.5 and SDSSJ132411.57+032050.5
Paula Szkody, Lee Homer, Bing Chen +6
XMM-Newton observations of the polar SDSSJ155331.12+551614.5 reveal that all the X-ray flux emerges at energies less than 2 keV. The best fit to the spectrum is with a thermal plas…