Search Results - "Athreya, Ramana"

Intraspecific trait variability and community assembly in hawkmoths (Lepidoptera: Sphingidae) across an elevational gradient in the eastern Himalayas, India by Mungee, Mansi, Athreya, Ramana

“…We investigated some aspects of hawkmoth community assembly at 13 elevations along a 200‐ to 2770‐m transect in the eastern Himalayas, a little studied…”
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Identification of Superclusters and Their Properties in the Sloan Digital Sky Survey Using the WHL Cluster Catalog by Sankhyayan, Shishir, Bagchi, Joydeep, Tempel, Elmo, More, Surhud, Einasto, Maret, Dabhade, Pratik, Raychaudhury, Somak, Athreya, Ramana, Heinämäki, Pekka

“…Superclusters are the largest massive structures in the cosmic web, on tens to hundreds of megaparsec scales. They are the largest assembly of galaxy clusters…”
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A Combined Low-radio Frequency/X-ray Study of Galaxy Groups. I. Giant Metrewave Radio Telescope Observations at 235 MHz AND 610 MHz by Giacintucci, Simona, O’Sullivan, Ewan, Vrtilek, Jan, David, Laurence P, Raychaudhury, Somak, Venturi, Tiziana, Athreya, Ramana M, Clarke, Tracy E, Murgia, Matteo, Mazzotta, Pasquale, Gitti, Myriam, Ponman, Trevor, Ishwara-Chandra, C. H, Jones, Christine, Forman, William R

“…We present new Giant Metrewave Radio Telescope observations at 235 MHz and 610 MHz of 18 X-ray bright galaxy groups. These observations are part of an extended…”
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RECURRENT RADIO OUTBURSTS AT THE CENTER OF THE NGC 1407 GALAXY GROUP by Giacintucci, Simona, O'Sullivan, Ewan, Clarke, Tracy E, Murgia, Matteo, VRTILEK, JAN M, Venturi, Tiziana, David, Laurence P, RAYCHAUDHURY, SOMAK, Athreya, Ramana M

“…We present deep Giant Metrewave Radio Telescope (GMRT) radio observations at 240, 330, and 610 MHz of the complex radio source at the center of the NGC 1407…”
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A Giant Metrewave Radio Telescope Multifrequency Radio Study of the Isothermal Core of the Poor Galaxy Cluster AWM 4 by Giacintucci, Simona, Vrtilek, Jan M, Murgia, Matteo, Raychaudhury, Somak, O’Sullivan, Ewan J, Venturi, Tiziana, David, Laurence P, Mazzotta, Pasquale, Clarke, Tracy E, Athreya, Ramana M

“…We present a detailed radio morphological study and spectral analysis of the wide-angle tail radio source 4C +24.36 associated with the dominant galaxy in the…”
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A New Approach to Mitigation of Radio Frequency Interference in Interferometric Data by Athreya, Ramana

“…Radio frequency interference (RFI) is the principal factor limiting the sensitivities of radio telescopes, particularly at frequencies below 1 GHz. I present a…”
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Associated Absorption in Radio Quasars. I. C IV Absorption and the Growth of Radio Sources by Baker, Joanne C, Hunstead, Richard W, Athreya, Ramana M, Barthel, Peter D, de Silva, Eric, Lehnert, Matthew D, Saunders, Richard D. E

“…We assess the global properties of associated C IV λλ1548, 1550 absorption lines measured in the spectra of radio-loud quasars drawn from a near-complete,…”
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Reenergization of Radio Halo Electrons in the Merging Galaxy Cluster A2163 by Shweta, A., Athreya, Ramana, Sekhar, Srikrishna

“…Radio halos in galaxy clusters are among the largest known radio-emitting objects in the universe. Their faint and amorphous structure and lack of emission…”
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Rapid photogrammetry of morphological traits of free‐ranging moths by Mungee, Mansi, Athreya, Ramana

“…Photogrammetric studies of free‐ranging animals are limited to mammals and birds. Recent advances in insect photogrammetry, including 3D imaging, are entirely…”
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Protected areas and biodiversity conservation in India by Ghosh-Harihar, Mousumi, An, Ruby, Athreya, Ramana, Borthakur, Udayan, Chanchani, Pranav, Chetry, Dilip, Datta, Aparajita, Harihar, Abishek, Karanth, Krithi K., Mariyam, Dincy, Mohan, Dhananjai, Onial, Malvika, Ramakrishnan, Uma, Robin, V.V., Saxena, Ajai, Shahabuddin, Ghazala, Thatte, Prachi, Vijay, Varsha, Wacker, Kristen, Mathur, Vinod B., Pimm, Stuart L., Price, Trevor D.

“…Three well-supported generalizations in conservation biology are that developing tropical countries will experience the greatest biodiversity declines in the…”
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A NEW APPROACH TO MITIGATION OF RADIO FREQUENCY INTERFERENCE IN INTERFEROMETRIC DATA by Athreya, Ramana

“…Radio frequency interference (RFI) is the principal factor limiting the sensitivities of radio telescopes, particularly at frequencies below 1 GHz. I present a…”
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ON THE NATURE OF OFF-PULSE EMISSION FROM PULSARS by BASU, Rahul, MITRA, Dipanjan, ATHREYA, Ramana

“…In our earlier studies, we reported the detection of off-pulse emission from two long-period pulsars B0525+21 and B2045-16. The pulsars were observed at a…”
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The redshift dependence of spectral index in powerful radio galaxies by Athreya, Ramana M, Kapahi, Vijay K

“…We present and discuss in this paper the rest frame radio spectra (1-25 GHz) of a sample of fourteen radio galaxies atz >2 from the newly defined MRC/1Jy…”
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Detection of Off-pulse Emission from PSR B0525+21 and PSR B2045-16 by Basu, Rahul, Athreya, Ramana, Mitra, Dipanjan

“…We report the detection of off-pulse emission from two long-period pulsars PSR B0525+21 and PSR B2045-16 using the Giant Metrewave Radio Telescope. We recorded…”
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The High-Redshift Radio Galaxy MRC 0406–244 by Rush, Brian, McCarthy, Patrick J, Athreya, Ramana M, Persson, S. E

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Revalidation of Natrix clerki Wall, 1925, an overlooked species in the genus Amphiesma Duméril, Bibron & Duméril, 1854 (Squamata: Natricidae) by David, Patrick, Agarwal, Ishan, Athreya, Ramana, Mathew, Rosamma, Vogel, Gernot, Mistry, Viral K

“…Natrix clerki Wall, 1925, previously known from its sole holotype and considered a synonym of Amphiesma parallelum (Boulenger, 1890), is resurrected in the…”
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Sustainable Bird Based Tourism in India's Remote North-East Frontier by Mohan, Dhananjai, Athreya, Ramana

“…Arunachal Pradesh is the most biodiverse Indian state situated in its north-east with the second highest breeding bird diversity in the world. Despite this,…”
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Seyfert Galaxies: Radio Continuum Emission Properties and the Unification Scheme by Singh, Veeresh, Shastri, Prajval, Athreya, Ramana

“…Seyfert galaxies are classified mainly into type 1 and type 2 depending on the presence and absence of broad permitted emission lines in their optical spectra,…”
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Two procedures to flag radio frequency interference in the UV plane by Sekhar, Srikrishna, Athreya, Ramana

“…We present two algorithms to identify and flag radio frequency interference (RFI) in radio interferometric imaging data. The first algorithm utilizes the…”
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On the occurrence of the Fishing Cat Prionailurus viverrinus Bennet, 1833 (Carnivora: Felidae) in coastal Kerala, India by Janardhanan, Ranjini, Mukherjee, Shomita, Karunakaran, P.V., Athreya, Ramana

“…The Fishing Cat Prionailurus viverrinus is classified as Endangered in the IUCN Red List and yet its distribution range within India is not resolved. In spite…”
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