Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Simcoe R"'
Autor:
Barkaoui, K., Timmermans, M., Soubkiou, A., Rackham, B. V., Burgasser, A. J., Chouqar, J., Pozuelos, F. J., Collins, K. A., Howell, S. B., Simcoe, R., Melis, C., Stassun, K. G., Tregloan-Reed, J., Cointepas, M., Gillon, M., Bonfils, X., Furlan, E., Gnilka, C. L., Almenara, J. M., Alonso, R., Benkhaldoun, Z., Bonavita, M., Bouchy, F., Burdanov, A., Chinchilla, P., Davoudi, F., Delrez, L., Demangeon, O., Dominik, M., Demory, B. -O., de Wit, J., Dransfield, G., Ducrot, E., Fukui, A., Hinse, T. C., Hooton, M. J., Jehin, E., Jenkins, J. M., Jørgensen, U. G., Latham, D. W., Garcia, L., Carrazco-Gaxiola, S., Ghachoui, M., Chew, Y. Gómez Maqueo, Günther, M. N., McCormac, J., Murgas, F., Murray, C. A., Narita, N., Niraula, P., Pedersen, P. P., Queloz, D., Rebolo-López, R., Ricker, G., Sabin, L., Sajadian, S., Schanche, N., Schwarz, R. P., Seager, S., Sebastian, D., Sefako, R., Sohy, S., Southworth, J., Srdoc, G., Thompson, S. J., Triaud, A. H. M. J., Vanderspek, R., Wells, R. D., Winn, J. N., Zúñiga-Fernández, S.
We present the discovery and validation of two TESS exoplanets orbiting nearby M dwarfs: TOI-2084b, and TOI-4184b. We characterized the host stars by combining spectra from Shane/Kast and Magellan/FIRE, SED (Spectral Energy Distribution) analysis, an
Externí odkaz:
http://arxiv.org/abs/2306.15095
Autor:
Lusso, E., Fumagalli, M., Fossati, M., Mackenzie, R., Bielby, R. M., Battaia, F. Arrigoni, Cantalupo, S., Cooke, R., Cristiani, S., Dayal, P., D'Odorico, V., Haardt, F., Lofthouse, E., Morris, S., Peroux, C., Prichard, L., Rafelski, M., Simcoe, R., Swinbank, A. M., Theuns, T.
We present first results from Multi Unit Spectroscopic Explorer (MUSE) observations at the Very Large Telescope in the MUSE Ultra Deep Field (MUDF), a $\approx 1.2\times 1.4$ arcmin$^2$ region for which we are collecting $\approx$200 hours of integra
Externí odkaz:
http://arxiv.org/abs/1903.00483
Autor:
Cooper, T. J., Simcoe, R. A., Cooksey, K. L., Bordoloi, R., Miller, D. R., Furezs, G., Turner, M. L., Bañados, E.
Publikováno v:
The Astrophysical Journal, Volume 882, Issue 2, article id. 77, 22 pp. (2019)
Ratios of different ions of the same element encode ionization information independently from relative abundances in quasar absorption line systems, crucial for understanding the multiphase nature and origin of absorbing gas, particularly at $z>6$ wh
Externí odkaz:
http://arxiv.org/abs/1901.05980
Autor:
Bañados, E., Venemans, B. P., Mazzucchelli, C., Farina, E. P., Walter, F., Wang, F., Decarli, R., Stern, D., Fan, X., Davies, F. B., Hennawi, J. F., Simcoe, R. A., Turner, M. L., Rix, H-W., Yang, J., Kelson, D. D., Rudie, G. C., Winters, J. M.
Publikováno v:
Nature , 553, 473, 2018
Quasars are the most luminous non-transient objects known and as a result they enable studies of the Universe at the earliest cosmic epochs. Despite extensive efforts, however, the quasar ULAS J1120+0641 at z=7.09 has remained the only one known at z
Externí odkaz:
http://arxiv.org/abs/1712.01860
Autor:
Mazzucchelli, C., Bañados, E., Venemans, B. P., Decarli, R., Farina, E. P., Walter, F., Eilers, A. -C., Rix, H. -W., Simcoe, R., Stern, D., Fan, X., Schlafly, E., De Rosa, G., Hennawi, J., Chambers, K. C., Greiner, J., Burgett, W., Draper, P. W., Kaiser, N., Kudritzki, R. -P., Magnier, E., Metcalfe, N., Waters, C., Wainscoat, R. J.
Quasars are galaxies hosting accreting supermassive black holes; due to their brightness, they are unique probes of the early universe. To date, only few quasars have been reported at $z > 6.5$ ($<$800 Myr after the Big Bang). In this work, we presen
Externí odkaz:
http://arxiv.org/abs/1710.01251
Autor:
Bañados, E., Venemans, B. P., Decarli, R., Farina, E. P., Mazzucchelli, C., Walter, F., Fan, X., Stern, D., Schlafly, E., Chambers, K. C., Rix, H-W., Jiang, L., McGreer, I., Simcoe, R., Wang, F., Yang, J., Morganson, E., De Rosa, G., Greiner, J., Baloković, M., Burgett, W. S., Cooper, T., Draper, P. W., Flewelling, H., Hodapp, K. W., Jun, H. D., Kaiser, N., Kudritzki, R. -P., Magnier, E. A., Metcalfe, N., Miller, D., Schindler, J. -T., Tonry, J. L., Wainscoat, R. J., Waters, C., Yang, Q.
Luminous quasars at z>5.6 can be studied in detail with the current generation of telescopes and provide us with unique information on the first gigayear of the universe. Thus far these studies have been statistically limited by the number of quasars
Externí odkaz:
http://arxiv.org/abs/1608.03279
Autor:
Venemans, B. P., Bañados, E., Decarli, R., Farina, E. P., Walter, F., Chambers, K. C., Fan, X., Rix, H-W., Schlafly, E., McMahon, R. G., Simcoe, R., Stern, D., Burgett, W. S., Draper, P. W., Flewelling, H., Hodapp, K. W., Kaiser, N., Magnier, E. A., Metcalfe, N., Morgan, J. S., Price, P. A., Tonry, J. L., Waters, C., AlSayyad, Y., Banerji, M., Chen, S. S., González-Solares, E. A., Greiner, J., Mazzucchelli, C., McGreer, I., Miller, D. R., Reed, S., Sullivan, P. W.
Publikováno v:
The Astrophysical Journal Letters, Volume 801, Issue 1, article id. L11, 7 pp. (2015)
Luminous distant quasars are unique probes of the high redshift intergalactic medium (IGM) and of the growth of massive galaxies and black holes in the early universe. Absorption due to neutral Hydrogen in the IGM makes quasars beyond a redshift of z
Externí odkaz:
http://arxiv.org/abs/1502.01927
Autor:
Bañados, E., Venemans, B. P., Morganson, E., Decarli, R., Walter, F., Chambers, K. C., Rix, H-W., Farina, E. P., Fan, X., Jiang, L., McGreer, I., De Rosa, G., Simcoe, R., Weiß, A., Price, P. A., Morgan, J. S., Burgett, W. S., Greiner, J., Kaiser, N., Kudritzki, R. -P., Magnier, E. A., Metcalfe, N., Stubbs, C. W., Sweeney, W., Tonry, J. L., Wainscoat, R. J., Waters, C.
Publikováno v:
AJ, 148, 14, 2014
High-redshift quasars are currently the only probes of the growth of supermassive black holes and potential tracers of structure evolution at early cosmic time. Here we present our candidate selection criteria from the Panoramic Survey Telescope & Ra
Externí odkaz:
http://arxiv.org/abs/1405.3986
Autor:
Venemans, B. P., Findlay, J. R., Sutherland, W. J., De Rosa, G., McMahon, R. G., Simcoe, R., Gonzalez-Solares, E. A., Kuijken, K., Lewis, J. R.
Publikováno v:
The Astrophysical Journal, 779:24 (13pp), 2013
Studying quasars at the highest redshifts can constrain models of galaxy and black hole formation, and it also probes the intergalactic medium in the early universe. Optical surveys have to date discovered more than 60 quasars up to z~6.4, a limit se
Externí odkaz:
http://arxiv.org/abs/1311.3666
Autor:
De Rosa, G., Venemans, B. P., Decarli, R., Gennaro, M., Simcoe, R. A., Dietrich, M., Peterson, B. M., Walter, F., Frank, S., McMahon, R. G., Hewett, P. C., Mortlock, D. J., Simpson, C.
We present the analysis of optical and near-infrared spectra of the only four $z>6.5$ quasars known to date, discovered in the UKIDSS-LAS and VISTA-VIKING surveys. Our data-set consists of new VLT/X-Shooter and Magellan/FIRE observations. These are t
Externí odkaz:
http://arxiv.org/abs/1311.3260