Orbital Period and Radial Velocity Curve for V436-CENTAURI

Details Orbital Period and Radial Velocity Curve for V436-CENTAURI Orbital Period and Radial Velocity Curve for V436-CENTAURI

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254..653g&link_type=abstract

Astrophysical Journal, Vol.254, P. 653, 1982

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34

Scientific paper

High time resolution spectrophotometry has been used to determine the orbital period of V 436 Cen. The derived radial velocity curve demonstrates that the 90.0t0.3 minute orbital period is ˜2% shorter than the previously determined superhump period. The orbital and superhump periods thus follow the usual relation found in other SU UMa type dwarf novae. At 90.0 minutes V 436 Cen has the shortest orbital period of the classical (i.e., excluding WZ Sge) dwarf novae. For comparison purposes results of a radial velocity analysis of OY Car are also briefly presented.

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