Browsing by Subject "stars: blue stragglers"

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Detection of White Dwarf companions to Blue Straggler Stars from UVIT observations of M67

Sindhu, N; Subramaniam, A; Geller, A. M; Jadhav, Vikrant; Knigge, Christian; Simunovic, Mirko; Leigh, Nathan; Shara, Michael; Puzia, T. H (Cambridge University Press, 2019-05)

We investigate the old open cluster M67 using ultraviolet photometric data of Ultra-Violet Imaging Telescope in multi-filter far-UV bands. M67, well known for the presence of several blue straggler stars (BSS), has been ...
The horizontal branch morphology of the globular cluster NGC 1261 using AstroSat

Sharmila Rani; Pandey, G; Subramaniam, A; Sahu, S; Kameswara Rao, N (Indian Academy of Sciences, 2020-12)

We present the results obtained from the UV photometry of the globular cluster NGC 1261 using far-UV (FUV) and near-UV (NUV) images acquired with the Ultraviolet Imaging Telescope (UVIT) on-board the AstroSat satellite. ...
UOCS.VI. UVIT/AstroSat detection of low-mass white dwarf companions to 4 more blue stragglers in M67

Pandey, Sindhu; Subramaniam, A; Jadhav, Vikrant V (Oxford University Press on behalf of the Royal Astronomical Society, 2021-10)

Blue stragglers stars (BSSs) in M67 have attracted attention from observations and theory to unravel their formation mechanisms. In the series of Ultra Violet Imaging Telescope (UVIT on AstroSat) study of Open clusters ...

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