Shridharan Baskaran

Shridharan Baskaran
Christ University, Bangalore · Department of Physics

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8
Publications
442
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16
Citations

Publications

Publications (8)
Poster
Full-text available
We report the survey and discovery of C60 (buckminsterfullerene) in the circumstellar medium of six Herbig Ae/Be stars using archival Spitzer IRS low-resolution spectra. The two prominent infrared vibrational modes of C60 bands at 17.4 µm and 18.9 µm are detected in the spectra of seven sources. In the case of two Herbig Ae/Be stars, we report the...
Article
We present a catalog of 3339 hot emission-line stars (ELSs) identified from 451 695 O, B and A type spectra, provided by LAMOST Data Release 5 (DR5). We developed an automated Python routine that identified 5437 spectra having a peak between 6561 and 6568 Å. False detections and bad spectra were removed, leaving 4138 good emission-line spectra of 3...
Preprint
Full-text available
We present a catalog of 3339 hot emission-line stars (ELS) identified from 451,695 O, B, and A type spectra, provided by the LAMOST DR5 release. We developed an automated python routine that identified 5437 spectra having a peak between 6561 and 6568~\AA. False detections and bad spectra were removed, leaving 4138 good emission-line spectra of 3339...
Article
We study the formation and the kinematic evolution of the early type Herbig Be star IL Cep and its environment. The young star is a member of the Cep OB3 association, at a distance of 798±9 pc, and has a ”cavity” associated with it. We found that the B0V star HD 216658, which is astrometrically associated with IL Cep, is at the center of the cavity...
Preprint
Full-text available
We study the formation and the kinematic evolution of the early type Herbig Be star IL Cep and its environment. The young star is a member of the Cep OB3 association, at a distance of 798$\pm$9 pc, and has a "cavity" associated with it. We found that the B0V star HD 216658, which is astrometrically associated with IL Cep, is at the center of the ca...
Poster
Full-text available
Emission-line stars in the pre-main sequence phase of stellar evolution having intermediate-mass are referred to as Herbig Ae/Be stars. In the present study, we have identified 136 such young stellar objects by compiling the multi-epoch spectroscopic data from LAMOST and photometric data from Gaia DR2 and 2MASS. It is found that these emission-line...
Article
Full-text available
We report the first systematic study to identify and characterize a sample of classical Ae stars in the Galaxy. The spectra of these stars were retrieved from the A-star catalog using the Large sky Area Multi-Object fiber Spectroscopic Telescope (LAMOST) survey. We identified the emission-line stars in this catalog from which 159 are confirmed as c...
Preprint
Full-text available
We report the first systematic study to identify and characterize a sample of classical Ae stars in the Galaxy. The spectra of these stars were retrieved from the A-star catalog using the Large sky Area Multi-Object fiber Spectroscopic Telescope (LAMOST) survey. We identified the emission-line stars in this catalog from which 159 are confirmed as c...

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