Spectroscopic changes and the variable mean light of carbon stars
Monthly Notices of the Royal Astronomical Society, 286, 839-847.
And finally, carbon stars
are notoriously variable, not just in magnitude but in colour too, and it is probably no more than fortuitous that WZ Cas should happen to have one of the largest numerical values of (B-V) in the database consulted by Mr Ahad.
Decin and her colleagues now plan to extend the observations to other carbon stars
Since Betelgeuse and upper Orion are so familiar these evenings, here are three carbon stars
you probably didn't know about that lurk there, hiding in plain (telescopic) sight.
Based on an analysis of 110 carbon stars
dotted across the sky brighter than magnitude 8.
Of all the stars recorded by 2MASS, the astronomers chose to analyze carbon stars
first because of three remarkable properties.
Among the carbon stars
, I give my nod to beautiful, deeply reddish orange Y Canum Venaticorum.
Stars more massive than the sun end their lives as carbon stars
, which in our galaxy are a rich source of dust.
Double stars, Cepheid variable stars, Viewing galaxies, Black holes, Main-sequence stars, Globular clusters, Discovery of Proxima, Extra-solar planets, Open star clusters, Sub-giant stars, Nebulae, Yellow-dwarf star, Barred spiral galaxies, Galaxies and time, Close double stars, Coloured double stars, Super galaxy clusters, Mira variable stars, Giant stars, Carbon stars
, Observing double stars, Solar type stars, Nicolas Louis de Lacaille, Astrophotography, Light year, Sub-dwarf stars, Venial equinox, Hot Jupiters, Delta-Scuti variable star, Apparent brightness.
Otherwise, the orbits of the carbon stars
would spread out rather than remain in a circle, Ibata says.
Most carbon stars
are variable, but V Aquilae remains within the
The section of Hydra draped over the meridian this month includes a couple of nice carbon stars
and a bright, though small, planetary nebula.