References & Results

Below is a list of on-line science papers produced from MAPS project data. All of these papers can be accessed via the ADS.

Project Description and Methods

The Project and Database:

• "The Automated Plate Scanner Catalog of the Palomar Sky Survey. I - Scanning Parameters and Procedures"
  Pennington, R. L., Humphreys, R. M., Odewahn, S. C., Zumach, W., & Thurmes, P. M. 1993, PASP, 105, 521.
• "The Automated Plate Scanner Catalog of the Palomar Observatory Sky Survey. II. The Archived Database"
  Cabanela, J. E., Humphreys, R. M., Aldering, G., Larsen, J. A., Odewahn, S. C., Thurmes, P. M., Cornuelle, C. S. 2003, PASP, 115, 837.

Object Classification and Neural Networks:

• "Automated Star/Galaxy Discrimination with Neural Networks"
  Odewahn, S. C., Stockwell, E. B., Pennington, R. L., Humphreys, R. M., and Zumach, W. 1992, A.J., 103, 318.
• "Star/Galaxy Separation with a Neural Network II. Multiple Schmidt Plates"
  Odewahn, S. C., Humphreys, R. M., Aldering, G. and Thurmes, P. M. 1993, PASP, 105, 1354.
• "The Performance of Neural Networks in Astronomical Image Classification"
  Odewahn, S. C. 1994, IAU Symposium # 161, pg 235.
• "Star/Galaxy Separation Using Neural Networks"
  Odewahn, S. C. and Nielsen, M. L. 1994, in "Vistas in Astronomy", Vol. 38, pg 281.
• "Automated Classification of Astronomical Images"
  Odewahn, S. C. 1995, PASP, 107, 770.

Photometry:

• "BVR Photoelectric Sequences for Selected Fields in the Palomar Sky Survey and the Magnitude-Diameter Relation"
  Humphreys, R. M., Landau, R., Ghigo, F. D., Zumach, W., & La Bonte, A. E. 1991, AJ, 102, 395.
• "Improved CCD Standard Fields"
  Odewahn, S. C., Bryja, C. and Humphreys, R. M., 1992, PASP, 104, 553.

Galactic Structure

• "The Axial Ratio of the Galactic Stellar Halo"
  Larsen, J.A. & Humphreys, R.M. 1994, ApJL, 436, L149.
• "The Sun's Distance Above the Galactic Plane"
  Humphreys, R.M. & Larsen, J.A. 1995, AJ, 110, 2183.
• "A Large Asymmetry in the Galactic Distribution of Faint Halo/Thick Disk Stars"
  Larsen, J.A. & Humphreys, R.M. 1996, ApJL, 468, L99.
• "Triaxiality in the Halo and Thick Disk of the Galaxy"
  Larsen, J.A. & Humphreys, R.M. 1996, Formation of the Galactic Halo...Inside and Out, ASP Conference Series, Vol. 92, 88.
• "Flat-Fielding the Galaxy: Fitting a Galactic Model to APS Star Counts"
  Larsen, J.A., 1997, ASP Conference Series, Vol. 127, 169.
• "Fitting a Galactic Model to an All-Sky Survey"
  Larsen, J. A. and Humphreys, R. M. 2003, AJ., 125, 1958.
• "The Asymmetric Thick Disk: A Star Count and Kinematic Analysis I. The Star Counts"
  Parker, J. E., Humphreys, R. M. and Larsen, J. A. 2003, AJ., 126, 1346.
• "The Asymmetric Thick Disk: A Star Count and Kinematic Analysis II. The Kinematics"
  Parker, J. E., Humphreys, R. M. and Beers, T. C., 2004, AJ., 127, 1567.

Extragalactic

• "SN 1993J: The Optical Properties of its Progenitor"
  Aldering, G., Humphreys, R.M., and Richmond, M. 1994, AJ, 107, 662.
• "Galaxy Properties at the North Galactic Pole. I. Photometric Properties on Large Spatial Scales"
  Odewahn, S. C., and Aldering, G. 1995, AJ, 110, 2009.
• "Blue Galaxies in the Coma Cluster"
  Aldering, G. and Odewahn, S. C. 1996, in ASP Conference Series, Vol. 88, pg 172.
• "A Minnesota Automated Plate Scanner Catalog of Galaxies Behind the Virgo Cluster and Toward Its Antipode"
  Hoffman, G. L., Dickey, J. M., Lu, N. Y., and Fromhold-Treu, R. 1996, ApJ, 473, 822.
• "Galaxy Alignments in the Pisces-Perseus Supercluster - Revisited"
  Cabanela, J.E. and Aldering, G. L. 1998, AJ, 116, 1094.
• "Determination of Galaxy Spin Vectors in the Pisces-Perseus Supercluster with the Arecibo Telescope"
  Cabanela, J.E. and Dickey, J. 1999, AJ, 118, 46.
• "Galaxy Properties from a Diameter-Limited Catalog" (The MAPS-NGP Catalog is online)
  Cabanela. J.E. 1999, Ph.D., U of Minnesota.
• "Galaxies on the Blue Edge"
  Cabanela, J. E. and Dickey, J. M. 2002, AJ, 124, 78.