Search Results - "SHANKAR, F"

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  1. 1

    BLACK HOLE AND GALAXY COEVOLUTION FROM CONTINUITY EQUATION AND ABUNDANCE MATCHING by Aversa, R., Lapi, A., Zotti, G. de, Shankar, F., Danese, L.

    Published in The Astrophysical journal (01-09-2015)
    “…ABSTRACT We investigate the coevolution of galaxies and hosted supermassive black holes (BHs) throughout the history of the universe by a statistical approach…”
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  2. 2

    The massive end of the luminosity and stellar mass functions: dependence on the fit to the light profile by Bernardi, M., Meert, A., Sheth, R. K., Vikram, V., Huertas-Company, M., Mei, S., Shankar, F.

    “…In addition to the large systematic differences arising from assumptions about the stellar mass-to-light ratio, the massive end of the stellar mass function is…”
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  3. 3

    High-redshift Galaxies from Early JWST Observations: Constraints on Dark Energy Models by Menci, N., Castellano, M., Santini, P., Merlin, E., Fontana, A., Shankar, F.

    Published in Astrophysical journal. Letters (01-10-2022)
    “…Abstract Early observations with JWST have led to the discovery of an unexpectedly large density (stellar-mass density ρ * ≈ 10 6 M ⊙ Mpc −3 ) of massive…”
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  4. 4

    QSFit: automatic analysis of optical AGN spectra by Calderone, G., Nicastro, L., Ghisellini, G., Dotti, M., Sbarrato, T., Shankar, F., Colpi, M.

    “…Abstract We present QSFit (Quasar Spectral Fitting package), a new software package to automatically perform the analysis of active galactic nuclei (AGNs)…”
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  5. 5

    The Dramatic Size and Kinematic Evolution of Massive Early-type Galaxies by Lapi, A., Pantoni, L., Zanisi, L., Shi, J., Mancuso, C., Massardi, M., Shankar, F., Bressan, A., Danese, L.

    Published in The Astrophysical journal (10-04-2018)
    “…We aim to provide a holistic view on the typical size and kinematic evolution of massive early-type galaxies (ETGs) that encompasses their high-z star-forming…”
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  6. 6

    Systematic effects on the size–luminosity relations of early- and late-type galaxies: dependence on model fitting and morphology by Bernardi, M., Meert, A., Vikram, V., Huertas-Company, M., Mei, S., Shankar, F., Sheth, R. K.

    “…We quantify the systematics in the size–luminosity relation of galaxies in the Sloan Digital Sky Survey main sample (i.e. at z ∼ 0.1) which arise from fitting…”
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  7. 7

    TwO Parameters Semi Empirical Model (TOPSEM): Galaxy Evolution and Bulge/Disk Dicothomy from Two-stage Halo Accretion by Boco, L., Lapi, A., Shankar, F., Fu, H., Gabrielli, F., Sicilia, A.

    Published in The Astrophysical journal (01-09-2023)
    “…Abstract In recent years, increasing attention has been devoted to semi-empirical, data-driven models to tackle some aspects of the complex and still largely…”
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  8. 8

    The significant effects of stellar mass estimation on galaxy pair fractions by Grylls, Philip J, Shankar, F, Conselice, C J

    “…ABSTRACT Theoretical models suggest that galaxy mergers may have profoundly shaped galaxy morphologies through cosmic time. However, observational estimates of…”
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  9. 9

    Outflows in the Disks of Active Galaxies by Menci, N., Fiore, F., Feruglio, C., Lamastra, A., Shankar, F., Piconcelli, E., Giallongo, E., Grazian, A.

    Published in The Astrophysical journal (01-06-2019)
    “…Recent advances in observations have provided a wealth of measurements of the expansions of outflows in galactic disks out to large radii in a variety of…”
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  10. 10

    Host galaxies of luminous z ∼ 0.6 quasars: major mergers are not prevalent at the highest AGN luminosities by Villforth, C., Hamilton, T., Pawlik, M. M., Hewlett, T., Rowlands, K., Herbst, H., Shankar, F., Fontana, A., Hamann, F., Koekemoer, A., Pforr, J., Trump, J., Wuyts, S.

    “…Abstract Galaxy interactions are thought to be one of the main triggers of active galactic nuclei (AGN), especially at high luminosities, where the accreted…”
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  12. 12

    The cosmic growth of the active black hole population at 1 <z <2 in zCOSMOS, VVDS and SDSS by Schulze, A., Bongiorno, A., Gavignaud, I., Schramm, M., Silverman, J., Merloni, A., Zamorani, G., Hirschmann, M., Mainieri, V., Wisotzki, L., Shankar, F., Fiore, F., Koekemoer, A. M., Temporin, G.

    “…We present a census of the active black hole population at 1 < z < 2, by constructing the bivariate distribution function of black hole mass and Eddington…”
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  13. 13

    The evolution of the mass-size relation for early-type galaxies from z ∼ 1 to the present: dependence on environment, mass range and detailed morphology by Huertas-Company, M., Mei, S., Shankar, F., Delaye, L., Raichoor, A., Covone, G., Finoguenov, A., Kneib, J. P., Le, Fèvre O., Povic, M.

    “…We study the dependence of the galaxy size evolution on morphology, stellar mass and large-scale environment for a sample of 298 group and 384 field quiescent…”
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  14. 14

    The massive end of the luminosity and stellar mass functions and clustering from CMASS to SDSS: evidence for and against passive evolution by Bernardi, M., Meert, A., Sheth, R. K., Huertas-Company, M., Maraston, C., Shankar, F., Vikram, V.

    “…We describe the luminosity function, based on Sérsic fits to the light profiles, of CMASS galaxies at z ∼ 0.55. Compared to previous estimates, our…”
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  15. 15

    New Relationships between Galaxy Properties and Host Halo Mass, and the Role of Feedbacks in Galaxy Formation by Shankar, F, Lapi, A, Salucci, P, De Zotti, G, Danese, L

    Published in The Astrophysical journal (20-05-2006)
    “…We present new relationships between halo masses (M sub(h)) and several galaxy properties, including r*-band luminosities (L sub(r)), stellar (M sub(star)) and…”
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  16. 16

    The high-mass end of the stellar mass function: dependence on stellar population models and agreement between fits to the light profile by Bernardi, M., Meert, A., Sheth, R. K., Fischer, J.-L., Huertas-Company, M., Maraston, C., Shankar, F., Vikram, V.

    “…Abstract We quantify the systematic effects on the stellar mass function that arise from assumptions about the stellar population, as well as how one fits the…”
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  17. 17

    THE CHANDRA COSMOS-LEGACY SURVEY: THE z > 3 SAMPLE by Marchesi, S., Civano, F., Salvato, M., Shankar, F., Comastri, A., Elvis, M., Lanzuisi, G., Trakhtenbrot, B., Vignali, C., Zamorani, G., Allevato, V., Brusa, M., Fiore, F., Gilli, R., Griffiths, R., Hasinger, G., Miyaji, T., Schawinski, K., Treister, E., Urry, C. M.

    Published in The Astrophysical journal (20-08-2016)
    “…ABSTRACT We present the largest high-redshift (3 < z < 6.85) sample of X-ray-selected active galactic nuclei (AGNs) on a contiguous field, using sources…”
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  18. 18

    Building Robust Active Galactic Nuclei Mock Catalogs to Unveil Black Hole Evolution and for Survey Planning by Allevato, V., Shankar, F., Marsden, C., Rasulov, U., Viitanen, A., Georgakakis, A., Ferrara, A., Finoguenov, A.

    Published in The Astrophysical journal (01-07-2021)
    “…Abstract The statistical distributions of active galactic nuclei (AGNs), i.e., accreting supermassive black holes (BHs), in mass, space, and time are…”
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  19. 19

    Galaxy luminosities, stellar masses, sizes, velocity dispersions as a function of morphological type by Bernardi, M., Shankar, F., Hyde, J. B., Mei, S., Marulli, F., Sheth, R. K.

    “…We provide fits to the distribution of galaxy luminosity, size, velocity dispersion and stellar mass as a function of concentration index Cr and morphological…”
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  20. 20

    The role of scatter and satellites in shaping the large-scale clustering of X-ray AGN as a function of host galaxy stellar mass by Viitanen, A, Allevato, V, Finoguenov, A, Shankar, F, Marsden, C

    “…ABSTRACT The co-evolution between central supermassive black holes (BHs), their host galaxies, and dark matter haloes is still a matter of intense debate…”
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