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Browsing IIAP Publications by Title

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  • A compilation of physical parameters of AP and AM stars as derived from energy distribution studies 
    Babu, G. S. D; Shylaja, B. S (Kluwer Academic Publishers, 1981-09)
    The physical parameters, such as the effective temperatures, radii, bolometric magnitudes and bolometric corrections of 87 Ap and Am stars out of the 125 compiled here are essentially based on the work done by the authors ...
  • A complete photometric study of the open cluster NGC 7790 containing Cepheid variables 
    Gupta, A. C; Subramaniam, A; Sagar, R; Griffiths, W. K (EDP Sciences, 2000-09)
    CCD photometry of the northern open star cluster NGC 7790 has been carried out in BVI photometric passbands down to V ~ 21 mag for 1150 stars of which for ~ 700 stars, the data is obtained for the first time. We derive the ...
  • Complete solution for a two-dimensional tanh-conductivity arc 
    Das, G. C (Indian Academy of Sciences, 1980-03)
  • The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: BAO and RSD measurements from anisotropic clustering analysis of the quasar sample in configuration space between redshift 0.8 and 2.2 
    Hou, Jiamin; Sanchez, Ariel G; Ross, A. J; Smith, A; Neveux, R; Bautista, J; Burtin, E; Zaho, Chang; Scoccimarro, Roman; Dawson, K. S; de Mattia, A; de la Macorra, A; des Bourboux, Helion du Mas; Eisenstein, D. J; Gil-Marin, H; Lyke, Brad W; Mohammad, F. G; Mueller, E.-M; Percival, W. J; Rossi, G; Magana, M. V; Zarrouk, Pauline; Zhao, Gong-Bo; Brinkmann, J; Brownstein, J. R; Chuang, C.-H; Myers, A. D; Newman, J. A; Schneider, D. P; Vivek, M (Oxford University Press on behalf of the Royal Astronomical Society, 2021-01)
    We measure the anisotropic clustering of the quasar sample from Data Release 16 (DR16) of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (eBOSS). A sample of 343 708 spectroscopically ...
  • The completed SDSS-IV extended baryon oscillation spectroscopic survey: BAO and RSD measurements from the anisotropic power spectrum of the quasar sample between redshift 0.8 and 2.2 
    Neveux, Richard; Burtin, Etienne; Mattia, Arnaud de; Smith, Alex; Ross, Ashley J; Hou, Jiamin; Bautista, Julian; Brinkmann, Jonathan; Chuang, Chia-Hsun; Dawson, Kyle S; Gil-Marin, Hector; Lyke, Brad W; Macorra, Axel de la; Bourboux, Helion du Mas des; Mohammad, Faizan G; Muller, Eva-Maria; Myers, Adam D; Newman, Jeffrey A; Percival, Will J; Rossi, Graziano; Schneider, Donald; Vivek, M; Zarrouk, Pauline; Zhao, Cheng; Zhao, Gong-Bo (Oxford University Press on behalf of the Royal Astronomical Society, 2020-11)
    We measure the clustering of quasars of the final data release (DR16) of eBOSS. The sample contains 343708 quasars between redshifts 0.8 ≤ z ≤ 2.2 over 4699deg2⁠. We calculate the Legendre multipoles (0,2,4) of the anisotropic ...
  • The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations with Lyα Forests 
    du Mas des Bourboux, H; Rich, J; Font-Ribera, A; de Sainte Agathe, V; Farr, J; Etourneau, T; Le Goff, J.-M; Cuceu, Andrei; Balland, C; Bautista, J. E; Blomqvist, M; Brinkmann, J; Brownstein, J. R; Chabanier, S; Chaussidon, E; Dawson, K; Gonzalez-Morales, A. X; Guy, J; Lyke, B. W; de la Macorra, A; Mueller, E.-M; Myers, A. D; Nitschelm, C; Gutierrez, A. M; Palanque-Delabrouille, N; Parker, J; Percival, W. J; Perez-Rafols, I; Petitjean, P; Pieri, M. M; Ravoux, R; Rossi, R; Schneider, D. P; Seo, H.-J; Slosar, A; Stermer, J; Vivek, M; Yeche, C; Youles, S (IOP Publishing, 2020-10-01)
    We present a measurement of baryonic acoustic oscillations (BAOs) from Lyα absorption and quasars at an effective redshift z = 2.33 using the complete extended Baryonic Oscillation Spectroscopic Survey (eBOSS). The 16th ...
  • The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: large-scale structure catalogues and measurement of the isotropic BAO between redshift 0.6 and 1.1 for the Emission Line Galaxy Sample 
    Raichoor, A; de Mattia, A; Ross, A. J; Zaho, Chang; Alam, S; Avila, S; Bautista, J; Brinkmann, J; Brownstein, J. R; Burtin, E; Chapman, M. J; Chuang, C-H; Comparat, J; Dawson, K. S; Arjun Dey; des Bourboux, Helion du Mas; Elvin-Poole, Jack; Gonzalez-Perez, V; Gorgoni, C; Kneib, Jean-Paul; Kong, Hui; Lang, Dustin; Moustakas, John; Myers, Adam D; Muller, Eva-Maria; Nadathur, Seshadri; Newman, J. A; Percival, W. J; Rezaie, M; Rossi, G; Ruhlmann-Kleider, Vanina; Schlegel, David J; Schneider, D. P; Seo, Hee-Jong; Tamon, Amelie; Tinker, Jeremy L; Tojeiro, Rita; Vivek, M; Yeche, Christophe; Gong-Bo, Zhao (Oxford University Press on behalf of the Royal Astronomical Society, 2021-01)
    We present the Emission Line Galaxy (ELG) sample of the extended Baryon Oscillation Spectroscopic Survey from the Sloan Digital Sky Survey IV Data Release 16. We describe the observations and redshift measurement for the ...
  • The completed SDSS-IV extended baryon oscillation spectroscopic survey: large-scale structure catalogues for cosmological analysis 
    Ross, Ashley J; Bautista, Julian; Tojeiro, Rita; Alam, Shadab; Bailey, Stephen; Burtin, Etienne; Comparat, Johan; Dawson, Kyle S; Mattia, Arnaud de; Bourboux, Helion du Mas des; Gil-Marın, Hector; Hou, Jiamin; Kong, Hui; Lyke, Brad W; Mohammad, Faizan G; Moustakas, John; Mueller, Eva-Maria; Myers, Adam D; Percival, Will J; Raichoor, Anand; Rezaie, Mehdi; Seo, Hee-Jong; Smith, Alex; Tinker, Jeremy L; Zarrouk, Pauline; Zhao, Cheng; Zhao, Gong-Bo; Bizyaev, Dmitry; Brinkmann, Jonathan; Brownstein, Joel R; Rosell, Aurelio Carnero; Chabanier, Solene; Choi, Peter D; Chuang, Chia-Hsun; Cruz-Gonzalez, Irene; Macorra, Axel de la; Torre, Sylvain de la; Escoffier, Stephanie; Fromenteau, Sebastien; Higley, Alexandra; Jullo, Eric; Kneib, Jean-Paul; McLane, Jacob N; Munoz-Guti ˜ errez, Andrea; Neveux, Richard; Newman, Jeffrey A; Nitschelm, Christian; Palanque-Delabrouille, Nathalie; Paviot, Romain; Pullen, Anthony R; Rossi, Graziano; Ruhlmann-Kleider, Vanina; Schneider, Donald P; Magana, Mariana Vargas; Vivek, M; Zhang, Yucheng (Oxford University Press on behalf of the Royal Astronomical Society, 2020-10)
    We present large-scale structure catalogues from the completed extended Baryon Oscillation Spectroscopic Survey (eBOSS). Derived from Sloan Digital Sky Survey (SDSS) IV Data Release 16 (DR16), these catalogues provide the ...
  • The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the emission line galaxy sample from the anisotropic power spectrum between redshift 0.6 and 1.1 
    de Mattia, A; Ruhlmann-Kleider, V; Raichoor, A; Ross, A. J; Tamone, A; Zaho, Chang; Alam, S; Avila, S; Burtin, E; Bautista, J; Beutler, F; Brinkmann, J; Brownstein, J. R; Chapman, M. J; Chuang, C-H; Comparat, J; des Bourboux, Helion du Mas; Dawson, K. S; de la Macorra, A; Gil-Marin, H; Gonzalez-Perez, V; Gorgoni, C; Hou, Jiamin; Kong, Hui; Lin, Sicheng; Nadathur, S; Newman, J. A; Mueller, E.-M; Percival, W. J; Rezaie, M; Rossi, G; Schneider, D. P; Tiwari, P; Vivek, M; Wang, Yuting; Zhao, Gong-Bo (Oxford University Press on behalf of the Royal Astronomical Society, 2021-03)
    We analyse the large-scale clustering in Fourier space of emission line galaxies (ELG) from the Data Release 16 of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey. The ELG sample contains ...
  • The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the luminous red galaxy sample from the anisotropic power spectrum between redshifts 0.6 and 1.0 
    Gil-Marin, Hector; Bautista, Julian E; Paviot, Romain; Vargas-Magana, Mariana; de la Torre, Sylvain; Fromenteau, Sebastien; Alam, Shadab; Avila, Santiago; Burtin, Etienne; Chuang, Chia-Hsun; Dawson, Kyle S; Hou, Jiamin; de Mattia, Arnaud; Mohammad, Faizan G; Muller, Eva-Maria; Nadathur, Seshadri; Neveux, Richard; Percival, Will J; Raichoor, Anand; Rezaie, Mehdi; Ross, Ashley J; Rossi, Graziano; Ruhlmann-Kleider, Vanina; Smith, Alex; Tamone, Amelie; Tinker, Jeremy L; Tojeiro, Rita; Wang, Yuting; Zhao, Gong-Bo; Zhao, Cheng; Brinkmann, Jonathan; Brownstein, Joel R; Choi, Peter D; Escoffier, Stephanie; de la Macorra, Axel; Moon, Jeongin; Newman, Jeffrey A; Schneider, Donald P; Seo, Hee-Jong; Vivek, M (Oxford University Press on behalf of the Royal Astronomical Society, 2020-10)
    We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 16 luminous red galaxy sample (DR16 eBOSS LRG) in combination with the high redshift tail of the ...
  • Complex shallow mantle beneath the Dharwar Craton inferred from Rayleigh wave inversion 
    Borah, K; Rai, S. S; Priestley, K; Gaur, V. K (Oxford University Press on behalf of the Royal Astronomical Society, 2014-08)
    The 3-D shear velocity structure beneath South India's Dharwar Craton determined from fundamental mode Rayleigh waves phase velocities reveals the existence of anomalously high velocity materials in the depth range of ...
  • Complex Variations in the Line-Intensity Ratio of Coronal Emission Lines with Height above the Limb 
    Singh, J; Sakurai, T; Ichimoto, K; Watanabe, T (IOP Publishing, 2004-12-10)
    We obtained spectroscopic observations simultaneously in pairs of coronal emission lines, one line being [Fe X] λ6374 and the other line being [Fe XI] λ7892, [Fe XIII] λ10747, or [Fe XIV] λ5303, and we studied the variations ...
  • Components of the diffuse ultraviolet radiation at high latitudes 
    Akshaya, M. S; Murthy, J; Ravichandran, S; Henry, R. C; Overduin, J (Oxford University Press on behalf of the Royal Astronomical Society, 2019-08-08)
    We have used data from the Galaxy Evolution Explorer to study the different components of the diffuse ultraviolet background in the region between the Galactic latitudes 70◦–80◦. We find an offset at zero dust column density ...
  • Comprehensive abundance analysis of red giants in the open clusters NGC 1342, 1662, 1912, 2354 and 2447 
    Reddy, A. B. S; Giridhar, S; Lambert, D. L (Oxford University Press on behalf of the Royal Astronomical Society, 2015-07-11)
    We have observed high-dispersion echelle spectra of red giant members in the five open clusters (OCs) NGC 1342, NGC 1662, NGC 1912, NGC 2354 and NGC 2447 and determined their radial velocities and chemical compositions. ...
  • Comprehensive abundance analysis of red giants in the open clusters NGC 2527, 2682, 2482, 2539, 2335, 2251 and 2266 
    Reddy, A. B. S; Giridhar, S; Lambert, D. L (Oxford University Press on behalf of the Royal Astronomical Society, 2013-06-01)
    We have analysed high-resolution echelle spectra of red giant members for seven open clusters in the Galactic anticentre direction to explore their chemical compositions. Cluster membership has been confirmed by radial ...
  • Comprehensive abundance analysis of red giants in the open clusters NGC 752, 1817, 2360 and 2506 
    Reddy, A. B. S; Giridhar, S; Lambert, D. L (Wiley-Blackwell, 2012-01)
    We have analysed high-dispersion echelle spectra (R ≳ 50 000) of red giant members for four open clusters to derive abundances for many elements. The spread in temperatures and gravities being very small among the red ...
  • A Comprehensive Model of Morphologically Realistic Cosmic Dust Particles: An Application to Mimic the Unusual Polarization Properties of the Interstellar Comet 2I/Borisov 
    Halder, Prithish; Sengupta, S (American Astronomical Society, 2023-04-10)
    The cosmic dust particles found in space are mainly porous aggregates of smaller grains. Theoretically, these aggregates are replicated using fractal geometry, assuming a cluster of spheres. Although the light ...
  • Comprehensive multiwavelength modelling of the afterglow of GRB 050525A 
    Resmi, L; Misra, K; Johannesson, G; Castro-Tirado, A. J; Gorosabel, J; Jelınek, M; Bhattacharya, D; Kubanek, P; Anupama, G. C; Sota, A; Sahu, D. K; de Ugarte Postigo, A; Pandey, S. B; Sanchez-Ramırez, R; Bremer, M; Sagar, R (Wiley-Blackwell, 2012-11)
    The Swift era has posed a challenge to the standard blast-wave model of gamma-ray burst (GRB) afterglows. The key observational features expected within the model are rarely observed, such as the achromatic steepening ...
  • A Comprehensive Study of Five Intermediate-age Pismis (2, 3, 7, 12, 15) Clusters Using Photometric and Astrometric Data from Gaia EDR3 
    Bisht, D; Zhu, Qingfeng; Elsanhoury, W. H; Yadav, R. K. S; Rangwal, Geeta; Sariya, Devesh P; Durgapal, Alok; Jiang, Ing-Guey (American Astronomical Society, 2022-11-01)
    Open clusters are groups of stars that form simultaneously; hence, these are excellent probes to test theories of star formation, stellar evolution, and dynamics in the Milky Way disk. We carry out a detailed photometric ...
  • A comprehensive study of the rich open star cluster NGC 2099 based on deep BVI CCD observations 
    Nilakshi; Sagar, R (E D P Sciences, 2002-01)
    The CCD observations of the rich open star cluster NGC 2099 and its surrounding field region have been carried out up to a limiting magnitude of V ~ 22 mag in B, V and I passbands for the first time. A total of ~ 12 000 ...

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