Browsing Publications of Astronomical Society of India by Subject "Variable star"

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Dwarf cepheid AD CMi -- revisited

Kilambi, G. C; Rahman, A (Astronomical Society of India, 1993-03)

An analysis of UBVR light variations of AD Canis Minoris (CMi) is presented. The mean effective temperature derived from the intrinsic (B - V) index is estimated to be 7400 K +/- 100 K whereas that of the (V - R) index ...
Dwarf cepheid DY Pegasus -- revisited

Kilambi, G. C; Rahman, A (Astronomical Society of India, 1993)

UBV broadband photoelectric photometry of dwarf cepheid DY Pegasus is presented. Using the observed light variations of this pulsating variable, mass, radius, gravity and temperature variations over a pulsational cycle ...
The evolutionary considerations of R CR B stars - Observational approach

Kameswara Rao, N (Astronomical Society of India, 1990)

The properties of the hydrogen-deficient stars called extreme helium stars, R Cr B stars, and hydrogen-deficient carbon stars are briefly examined, emphasizing the R Cr B stars. Luminosities and temperatures, distribution ...
Variability of eta Hydrae

Saxena, B. K; Srivastava, R. K (Astronomical Society of India, 1997)

The first observations of n Hya, taken at Pachmarhi, are presented. Night to night light variability on n Hya has been discussed. Maximum amplitude of light variation is found to be 0m 096. Preliminary results show that ...

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