ABSTRACT We present an analysis of AAVSO visual observations of the Mira variable R Cen from 1918 to 2000. The period of the dominant mode has been steadily decreasing from 550 days at JD 2,434,000 ...
An international team led by ESO astronomer Marina Rejkuba [1] has discovered more than 1000 luminous red variable stars in the nearby elliptical galaxy Centaurus A (NGC 5128). Brightness changes and ...
An international team led by ESO astronomer Marina Rejkuba has discovered more than 1000 luminous red variable stars in the nearby elliptical galaxy Centaurus A (NGC 5128). This is the first time a ...
Mira stars are only half as large as previously thought, according to a new study. Named for Mira, or Omicron (ο) Ceti, this class of stars contains variable red giants with periods ranging 80 to ...
A recent groundbreaking study led by Professor Anupam Bhardwaj from the Inter-University Centre for Astronomy and Astrophysics (IUCAA) utilised 40 oxygen-rich Mira variable stars located in 18 stellar ...
This week, the variable star Mira reaches its highest point, roughly halfway up in the southern sky at around 10 p.m. local time. Although now nearly a month past maximum brightness, it should still ...
At first glance, it looks uncannily like a giant eye in the sky. But in fact, this incredible image shows a rare stellar relationship known as a symbiotic star. It shows a red giant and a white dwarf ...
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