The classification of intrinsic variables. VIII - Ultrashort period Cepheids

Details The classification of intrinsic variables. VIII - Ultrashort period Cepheids The classification of intrinsic variables. VIII - Ultrashort period Cepheids

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apjs...41..413e&link_type=abstract

Astrophysical Journal Supplement Series, vol. 41, Nov. 1979, p. 413-434.

Astronomy and Astrophysics

Astrophysics

46

Astronomical Catalogs, Cepheid Variables, Stellar Magnitude, Stellar Spectrophotometry, Classifications, Periodic Variations, Stellar Mass, Tables (Data)

Scientific paper

The photometric and astrometric data for ultrashort-period Cepheids with maximum visual magnitudes brighter than 11.5 are collected and discussed. Most of these variables are high-mass, little-evolved stars which, in the halo and disk populations, are blue stragglers. The luminosities are calibrated from membership in disk and halo population groups; the visual magnitude equals 8(1-/c1/sub c) for disk stars, where (C1)sub c is a reddening- and temperature-free parameter.

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