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A Long-term photometric variability and spectroscopic study of luminous blue variable AF And in M31
Yogesh C. Joshi, Kaushal Sharma, Anjasha Gangopadhyay +2
We present photometric and spectroscopic analysis of the Hubble Sandage variable AF And in M31. The data has been taken under the Nainital Microlensing Survey during 1998-2002 and…
Reddening map and recent star formation in the Magellanic Clouds based on OGLE IV Cepheids
Yogesh C. Joshi, Alaxender Panchal
In the present study, we examine reddening distribution across the LMC and SMC through largest data on Classical Cepheids provided by the OGLE Phase IV survey. The V and I band pho…
VR CCD photometry of variable stars in globular cluster NGC 4147
Sneh Lata, A. K. Pandey, J. C. Pandey +20
We present results of a search for variable stars in a region of the globular cluster NGC 4147 based on photometric observations with 4k x 4k CCD imager mounted at the axial port o…