Research
Data and Software Products

Department Publications & Online Catalogues

Astrometric Catalogues

The following books are available for purchase. Please contact for availability, shipping and handling fees. No PO's or Credit Cards Accepted.

Please send payment to:
Yale University Department of Astronomy
Attention: Kim Monocchi
P.O. Box 208101
New Haven CT 06520-8101

The Bright Star Catalogue

4th revised edition, by Dorrit Hoffleit with the collaboration of Carlos Jaschek, 1982. ($35.00/Volume + Shipping & Handling)

A Supplement to the Bright Star Catalogue

by Dorrit Hoffleit, Michael Saladyga and Peter Wlasuk, 1983. ($12.00/Volume + Shipping & Handling)

The electronic edition version of the Fifth Edition of the Yale Bright Star Catalog is available for download. Currently there is no paper version of the Fifth Edition.
Download

The General Catalogue of Trigonometric Stellar Parallaxes, 4th Edition

by W.F. Van Altena, J. Truen-Liang Lee, and Dorrit Hoffleit, 1995. ($25.00 for the two-volume set + Shipping & Handling).

The Revised Yale Isochrones and Luminosity Functions

by E.M Green, P. Demarque, and C.R. King, Yale University Observatory, 1987. ($30.00/Volume + Shipping & Handling).

The Hoffleit Centennial: A Year Of Celebration

by A.G. Davis Philip, William F. van Altena & Rebecca A. Koopman, 2006. ($15.00/Volume + Shipping & Handling)

Online Catalogues

IC 2391

WIYN Open Cluster Study. XXVI. Improved kinematic membership and spectroscopy of IC 2391 by Imants Platais, Claudio Melo, Jean-Claude Mermilliod, Vera Kozhurina-Platais, Jon Fulbright, Rene Mendez, Martin Altmann, Julius Sperauska.

NGC 2451

WIYN Open Cluster Study.VII. NGC 2451A and the Hipparcos Distance Scale by Imants Platais, Vera Kozhurina-Platais, Terrence M. Girard, Pierre Demarque, William F. van Altena, Sydney Barnes, Constantine P. Deliyannis, Elliott Horch.

NGC 188 (Lick)

WIYN Open Cluster Study.VIII. The geometry and stability of the NOAO CCD Mosaic Imager by Imants Platais, Vera Kozhurina-Platais, Terrence M. Girard, William F. van Altena, Arnold R. Klemola, John R. Stauffer, Taft E. Armandroff, Kenneth J. Mighell, Ian Dell'Antonio, Emilio E. Falco, Ata Sarajedini.

NGC 188 (4m)

WIYN Open Cluster Study.XVII. Astrometry and Membership to V=21 in NGC 188 by Imants Platais, Vera Kozhurina-Platais, Robert D. Mathieu, Terrence M. Girard, and William F. van Altena.

SPM 1.0.

The SPM Catalog 1.0 contains the results of the Southern Proper Motion program (SPM) for an extended region around the South Galactic Pole. The SPM, which will eventually cover the sky south of Dec. = -17 degrees, includes absolute proper motions, positions, and B,V photographic photometry for stars in the magnitude range 5 < V < 18.5. The proper motions are measured relative to external galaxies and the positions are on the system of the ICRS via the Hipparcos/Tycho catalog, (equinox 2000, epoch 1991.25).

SPM 1.1

The SPM Catalog 1.1 contains the results of the Southern Proper Motion program (SPM) for an extended region around the South Galactic Pole. The SPM, which will eventually cover the sky south of Dec. = -17 degrees, includes absolute proper motions, positions, and B,V photographic photometry for stars in the magnitude range 5 < V < 18.5. The proper motions are measured relative to external galaxies and the positions are on the system of the ICRS via the Hipparcos/Tycho catalog, (equinox 2000, epoch 1991.25).

SPM 2.0

The SPM Catalog 2.0 contains the results of the Southern Proper Motion program (SPM) for the non-Galactic plane fields in the -25¬? to -40¬? declination zones with an extended region around the South Galactic Pole. The SPM, which will eventually cover the sky south of Dec. = -17¬?, includes absolute proper motions, positions, and B,V photographic photometry for stars in the magnitude range 5 < V < 18.5. The proper motions are measured relative to external galaxies* and the positions are on the system of the ICRS via the Hipparcos/Tycho Catalog, (equinox 2000, epoch 1991.25).

SPM 3.0

Absolute proper motions, positions, and photographic B,V photometry are given for 10.7 million objects, down to a magnitude of V=17.5. The Catalog covers an irregular area of 3700 square degrees, between the declinations of -20 and -45 degrees, and excluding the Galactic plane. All observations were made with the 51-cm double astrograph of Cesco Observatory in El Leoncito, Argentina. The Catalog is based on full-plate scans using the USNO Precision Measuring Machine (PMM) and its image detection and centering software. Almost all SPM fields for which second-epoch plates are available have been included, excepting the Galactic plane. The proper-motion precision, for well-measured stars, is estimated to be 4.0 mas/yr. Unlike previous releases of the SPM Catalog, the proper motions are on the International Celestial Reference System by way of Hipparcos Catalog stars, and have an estimated systematic uncertainty of 0.4 mas/yr.

Software

Yale-Yonsei Isochrones

We have constructed a new set of isochrones, called the Y2 Isochrones, that represent an update of the Revised Yale Isochrones (RYI), using improved opacities and equations of state.


Web site

Image Credits: (header) NASA, ESA, J. Hester and A. Loll (Arizona State University); (left) Dr. Christopher Burrows, ESA/STScI and NASA

Yale University

© 2014 Yale University. All Rights Reserved.

Yale University

© 2014 Yale University. All Rights Reserved.