Astrometric Measurements of the Visual Double Star H 5 12AB

Details Astrometric Measurements of the Visual Double Star H 5 12AB Astrometric Measurements of the Visual Double Star H 5 12AB

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010jdso....6..230e&link_type=abstract

Journal of Double Star Observations, vol. 6, no. 3, p. 230-232.

Astronomy and Astrophysics

Astronomy

Scientific paper

As part of the fall 2009 astronomy research seminar at Cuesta College, high school and undergraduate students made observations of the visual double star H 5 12AB. They measured the angular separation to be 40.4" with a standard deviation of 4.6". They measured the position angle to be 44° with a standard deviation of 3°. The students then determined that the double star is likely gravitationally bound because the proper motion vectors of the primary and secondary stars only differ by ~2.5°.

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