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Browsing by Author "Manoj, P"

Browsing by Author "Manoj, P"

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  • Optical spectroscopic and 2MASS measurements of Stephenson Halpha stars 
    Maheswar, G; Manoj, P; Bhatt, H. C (European Southern Observatory, 2003-05)
    We present the results of spectroscopic observations for 52 objects from the list of Halpha emission stars of Stephenson (\cite{Ste86}). Out of six known T Tauri stars observed, five showed Halpha in emission and in one ...
  • Photometric distances to dark clouds: cometary globule CG 12 
    Maheswar, G; Manoj, P; Bhatt, H. C (Royal Astronomical Society, 2004-12)
    A method for determining distances to dark clouds and Bok globules based on broad-band optical and near-infrared photometry is presented. In this method, intrinsic colour indices of stars projected towards the direction ...
  • Polarization measurements of Vega-like stars 
    Bhatt, H. C; Manoj, P (European Southern Observatory, 2000-10)
    Optical linear polarization measurements are presented for about 30 Vega-like stars. These are then compared with the polarization observed for normal field stars. A significant fraction of the Vega-like stars are found ...
  • Properties and Occurrence Rates for Kepler Exoplanet Candidates as a Function of Host Star Metallicity from the DR25 Catalog 
    Narang, Mayank; Manoj, P; Furlan, E; Mordasini, C; Henning, Thomas; Mathew, Blesson; Banyal, R. K; Sivarani, T (IOP Publishing, 2018-11)
    Correlations between the occurrence rate of exoplanets and their host star properties provide important clues about the planet formation process. We studied the dependence of the observed properties of exoplanets (radius, ...
  • Radio-loud Exoplanet-exomoon Survey: GMRT Search for Electron Cyclotron Maser Emission 
    Narang, Mayank; Oza, Apurva V; Hakim, Kaustubh; Manoj, P; Banyal, R. K; Thorngren, Daniel P (American Astronomical Society, 2023-01-01)
    We conducted the first dedicated search for signatures of exoplanet–exomoon interactions using the Giant Metrewave Radio Telescope (GMRT) as part of the radio-loud exoplanet-exomoon survey. Due to stellar tidal heating, ...
  • Star formation : circumstellar environment around Young Stellar Objects 
    Manoj, P (Astronomical Society of India, 2005-09)
    In this thesis we have undertaken a detailed study of the evolution of young circumstellar disks from the early pre-main sequence phase to the main sequence phase. We have used several observational diagnostics of the disks ...
  • TANSPEC: TIFR-ARIES Near-infrared Spectrometer 
    Sharma, Saurabh; Ojha, Devendra. K; Ghosh, Arpan; Ninan, Joe. P; Ghosh, Supriyo; Ghosh, Swarna. K; Manoj, P; Naik, Milind. B; D'Costa, Savio, L. A; Reddy, B. Krishna; Nanjappa, Nandish; Pandey, Rakesh; Sinha, Tirthendu; Panwar, Neelam; Susmitha, A; Kaur, Harmeen; Sahu, Sanjit; Bangia, Tarun; Poojary, Satheesha S; Jadhav, Rajesh. B; Bhagat, Shailesh. B; Meshram, Ganesh. S; Shah, Harshit; Rayner, John. T; Toome, Douglas. W; Sandimani, Pradeep. R (IOP Publishing Ltd on behalf of the Astronomical Society of the Pacific, 2022-08)
    We present the design and performance of the TANSPEC, a medium-resolution 0.55–2.5 μm cryogenic spectrometer and imager, now in operation at the 3.6 m Devasthal Optical Telescope (DOT), Nainital, India. The TANSPEC provides ...
  • uGMRT observations of the hot-Saturn WASP-69b: Radio-Loud Exoplanet–Exomoon Survey II (RLEES II) 
    Narang, Mayank; Oza, Apurva V; Hakim, Kaustubh; Manoj, P; Tyagi, Himanshu; Banerjee, Bihan; Surya, Arun; Nayak, Prasanta K; Banyal, R. K; Thorngren, Daniel P (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    Exomoons have so far eluded ongoing searches. Several studies have exploited transit and transit timing variations and highresolution spectroscopy to identify potential exomoon candidates. One method of detecting and ...

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