Long-term light curves for [WC] stars

Albert Jones; Warrick Lawson; Orsola De Marco; Dave Kilkenny; Francois Van Wyk; Greg Roberts

Long-term light curves for [WC] stars

Albert Jones, Warrick Lawson, Orsola De Marco, Dave Kilkenny, Francois Van Wyk, Greg Roberts

Centre in Astronomy, Astrophysics & Astrophotonics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We examine light curves obtained for several low-mass subluminous [WC] central stars. Recent visual and photoelectric measurements made of the [WC10] central star CPD-56°8032 indicate that it has undergone a second decline event resembling those seen in the R Coronae Borealis (RCB) variables. Other [WC] central stars examined (He2-113, SwSt1, and He2-99) do not show declines. Various evolutionary scenarios have been proposed that link the [WC] stars, RCB stars, and other types of hydrogen-deficient objects. From an observational point of view, the evidence appears to be circumstantial.

Original language	English
Pages (from-to)	76-80
Number of pages	5
Journal	Observatory
Volume	119
Issue number	1149
Publication status	Published - Apr 1999

Cite this

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title = "Long-term light curves for [WC] stars",

abstract = "We examine light curves obtained for several low-mass subluminous [WC] central stars. Recent visual and photoelectric measurements made of the [WC10] central star CPD-56°8032 indicate that it has undergone a second decline event resembling those seen in the R Coronae Borealis (RCB) variables. Other [WC] central stars examined (He2-113, SwSt1, and He2-99) do not show declines. Various evolutionary scenarios have been proposed that link the [WC] stars, RCB stars, and other types of hydrogen-deficient objects. From an observational point of view, the evidence appears to be circumstantial.",

author = "Albert Jones and Warrick Lawson and {De Marco}, Orsola and Dave Kilkenny and {Van Wyk}, Francois and Greg Roberts",

year = "1999",

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language = "English",

volume = "119",

pages = "76--80",

journal = "Observatory",

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T1 - Long-term light curves for [WC] stars

AU - Jones, Albert

AU - Lawson, Warrick

AU - De Marco, Orsola

AU - Kilkenny, Dave

AU - Van Wyk, Francois

AU - Roberts, Greg

PY - 1999/4

Y1 - 1999/4

N2 - We examine light curves obtained for several low-mass subluminous [WC] central stars. Recent visual and photoelectric measurements made of the [WC10] central star CPD-56°8032 indicate that it has undergone a second decline event resembling those seen in the R Coronae Borealis (RCB) variables. Other [WC] central stars examined (He2-113, SwSt1, and He2-99) do not show declines. Various evolutionary scenarios have been proposed that link the [WC] stars, RCB stars, and other types of hydrogen-deficient objects. From an observational point of view, the evidence appears to be circumstantial.

AB - We examine light curves obtained for several low-mass subluminous [WC] central stars. Recent visual and photoelectric measurements made of the [WC10] central star CPD-56°8032 indicate that it has undergone a second decline event resembling those seen in the R Coronae Borealis (RCB) variables. Other [WC] central stars examined (He2-113, SwSt1, and He2-99) do not show declines. Various evolutionary scenarios have been proposed that link the [WC] stars, RCB stars, and other types of hydrogen-deficient objects. From an observational point of view, the evidence appears to be circumstantial.

UR - http://www.scopus.com/inward/record.url?scp=0033114615&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0033114615

SN - 0029-7704

VL - 119

SP - 76

EP - 80

JO - Observatory

JF - Observatory

IS - 1149

ER -

Long-term light curves for [WC] stars

Abstract

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