The Radial Scale Length of the Galactic Disk from Star Counts in the APS Catalog of the POSS I

Details The Radial Scale Length of the Galactic Disk from Star Counts in the APS Catalog of the POSS I The Radial Scale Length of the Galactic Disk from Star Counts in the APS Catalog of the POSS I

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aspc...92...80h&link_type=abstract

Formation of the Galactic Halo...Inside and Out, ASP Conference Series, Vol. 92, 1996, Heather Morrison and Ata Sarajedini, eds.

Physics

Scientific paper

We report our preliminary results for the radial scale length of the galactic disk based on star counts from the APS Catalog of the POSS I. Using star counts in 8 separate 16 square degree fields along the center/anti-center line at four galactic latitudes, together with the standard galactic model, we derive a scale length of 1.9 kpc. This result is on the low end of previous determinations.

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