Browsing by Subject "Symbiotic stars"

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Emission-line CCD imaging of three southern symbiotic stars

Bhatt, H. C; Sagar, R (Indian Academy of Sciences, 1991-06)

Symbiotic stars that are strong radio sources and have cool dust emitting in the IR are expected to have extended emission nebulae around them. In order to search for such emission nebulae, CCD imaging of three symbiotic ...
Spectroscopic monitoring of symbiotic stars from the Vainu Bappu Observatory

Anupama, G. C; Mikołajewska, J (Astronomical Society of the Pacific, 2003)

We present here the preliminary results of the long term monitoring of the optical spectrum of symbiotic stars from the Vainu Bappu Observatory. Spectra of EG and, AX Per, BX Mon, RX Pup, Rw Pup, RW Hya, AS 210, and StHα ...
Variation of linear polarization in the R Aquarii system

Deshpande, M. R; Joshi, U. C; Kulshrestha, A. K; Sen, A. K; Kameswara Rao, N; Raveendran, A. V (Astronomical Society of the Pacific, 1987-01)

Linear polarization measurements of the R Aqr system are reported here. The R Aqr system shows strong wavelength dependence of percent polarization and position angle, which are strongly time dependent also. There is a ...

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