Zobrazeno 1 - 10
of 1 316
pro vyhledávání: '"BULLOCK, J."'
Autor:
Savino, A., Weisz, D. R., Skillman, E. D., Dolphin, A., Cole, A. A., Kallivayalil, N., Wetzel, A., Anderson, J., Besla, G., Boylan-Kolchin, M., Brown, T. M., Bullock, J. S., Collins, M. L. M., Cooper, M. C., Deason, A. J., Dotter, A. L., Fardal, M., Ferguson, A. M. N., Fritz, T. K., Geha, M. C., Gilbert, K. M., Guhathakurta, P., Ibata, R., Irwin, M. J., Jeon, M., Kirby, E. N., Lewis, G. F., Mackey, D., Majewski, S. R., Martin, N., McConnachie, A., Patel, E., Rich, R. M., Simon, J. D., Sohn, S. T., Tollerud, E. J., van der Marel, R. P.
We present the lifetime star formation histories (SFHs) for six ultra-faint dwarf (UFD; $M_V>-7.0$, $ 4.9<\log_{10}({M_*(z=0)}/{M_{\odot}})<5.5$) satellite galaxies of M31 based on deep color-magnitude diagrams constructed from \textit{Hubble Space T
Externí odkaz:
http://arxiv.org/abs/2305.13360
Autor:
Scholten, S. C., Abrahams, G. J., Johnson, B. C., Healey, A. J., Robertson, I. O., Simpson, D. A., Stacey, A., Onoda, S., Ohshima, T., Kho, T. C., Michel, J. Ibarra, Bullock, J., Hollenberg, L. C. L., Tetienne, J. -P.
Publikováno v:
Phys. Rev. Applied 18, 014041 (2022)
Magnetic imaging with nitrogen-vacancy centers in diamond, also known as quantum diamond microscopy, has emerged as a useful technique for the spatial mapping of charge currents in solid-state devices. In this work, we investigate an application to p
Externí odkaz:
http://arxiv.org/abs/2203.12115
Autor:
Wimberly, M. K. Rodriguez, Cooper, M. C., Baxter, D. C., Boylan-Kolchin, M., Bullock, J. S., Fillingham, S. P., Ji, A. P., Sales, L. V., Simon, J. D.
As the Milky Way and its satellite system become more entrenched in near field cosmology efforts, the need for an accurate mass estimate of the Milky Way's dark matter halo is increasingly critical. With the second and early third data releases of st
Externí odkaz:
http://arxiv.org/abs/2109.00633
Autor:
Wimberly, M. K. Rodriguez, Cooper, M. C., Fillingham, S. P., Boylan-Kolchin, M., Bullock, J. S., Garrison-Kimmel, S.
The predominantly ancient stellar populations observed in the lowest-mass galaxies (i.e. ultra-faint dwarfs) suggest that their star formation was suppressed by reionization. Most of the well-studied ultra-faint dwarfs, however, are within the centra
Externí odkaz:
http://arxiv.org/abs/1806.07891
Akademický článek
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Autor:
Lotz, J. M., Koekemoer, A., Coe, D., Grogin, N., Capak, P., Mack, J., Anderson, J., Avila, R., Barker, E. A., Borncamp, D., Brammer, G., Durbin, M., Gunning, H., Hilbert, B., Jenkner, H., Khandrika, H., Levay, Z., Lucas, R. A., MacKenty, J., Ogaz, S., Porterfield, B., Reid, N., Robberto, M., Royle, P., Smith, L. J., Storrie-Lombardi, L. J., Sunnquist, B., Surace, J., Taylor, D. C., Williams, R., Bullock, J., Dickinson, M., Finkelstein, S., Natarajan, P., Richard, J., Robertson, B., Tumlinson, J., Zitrin, A., Flanagan, K., Sembach, K., Soifer, B. T., Mountain, M.
The Frontier Fields are a director's discretionary time campaign with HST and the Spitzer Space Telescope to see deeper into the universe than ever before. The Frontier Fields combine the power of HST and Spitzer with the natural gravitational telesc
Externí odkaz:
http://arxiv.org/abs/1605.06567
Autor:
Richards, Emily E., van Zee, L., Barnes, K. L., Staudaher, S., Dale, D. A., Braun, T. T., Wavle, D. C., Dalcanton, J. J., Bullock, J. S., Chandar, R.
We present a combination of new and archival neutral hydrogen (HI) observations and new ionized gas spectroscopic observations for sixteen galaxies in the statistically representative EDGES kinematic sample. HI rotation curves are derived from new an
Externí odkaz:
http://arxiv.org/abs/1605.01638
Autor:
Richards, Emily E., van Zee, L., Barnes, K. L., Staudaher, S., Dale, D. A., Braun, T. T., Wavle, D. C., Calzetti, D., Dalcanton, J. J., Bullock, J. S., Chandar, R.
We present results from multiwavelength observations of the galaxy NGC5005. We use new neutral hydrogen (HI) observations from the Very Large Array to examine the neutral gas morphology and kinematics. We find an HI disk with a well-behaved flat rota
Externí odkaz:
http://arxiv.org/abs/1503.05981
Akademický článek
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Autor:
Prest, M J, Richardson-Bullock, J S, Zhao, Q T, Muhonen, J T, Gunnarsson, D, Prunnila, M, Shah, V A, Whall, T E, Parker, E H C, Leadley, D R
We demonstrate electron cooling in silicon using platinum silicide as a superconductor contact to selectively remove the highest energy electrons. The superconducting critical temperature of bulk PtSi is reduced from around 1 K to 0.79 K using a thin
Externí odkaz:
http://arxiv.org/abs/1405.4119