Is the Galaxy Symmetric? -- A Comparison of Starcounts of Faint Blue Stars

Details Is the Galaxy Symmetric? -- A Comparison of Starcounts of Faint Blue Stars Is the Galaxy Symmetric? -- A Comparison of Starcounts of Faint Blue Stars

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.8415h&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #84.15; Bulletin of the American Astronomical Society, Vol. 31, p.972

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Larsen and Humphreys[1996] reported evidence for a significant asymmetry in the number of faint blue stars on either side of the line to the Galactic Center from l = +/- 20arcdeg to +/- 45arcdeg at b = +30arcdeg with significantly more stars observed in the first quadrant. In this poster we present a more complete survey of faint blue stars on either side of the Sun-Center line from l = +/- 20arcdeg to +/- 75arcdeg and b = +20arcdeg to +50arcdeg and map the extent of the excess. We also discuss possible explanations for the asymmetry. Spectroscopic observations are now in progress to determine the nature and kinematics of the stars responsible.

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