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Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters; Jul2024, Vol. 532 Issue 1, pL70-L74, 5p
Autor:
Kleinman, S. J., Gunn, J. E., Boroski, B., Long, D., Snedden, S., Nitta, A., Krzesiński, J., Harvanek, M., Neilsen, E., Gillespie, B., Barentine, J. C., Uomoto, A., Tucker, D., York, D., Jester, S.
Publikováno v:
Proc.SPIE Int.Soc.Opt.Eng.7016:70160B,2008
Astronomy is changing. Large projects, large collaborations, and large budgets are becoming the norm. The Sloan Digital Sky Survey (SDSS) is one example of this new astronomy, and in operating the original survey, we put in place and learned many val
Externí odkaz:
http://arxiv.org/abs/0810.2811
Autor:
Soderberg, A. M., Berger, E., Page, K. L., Schady, P., Parrent, J., Pooley, D., Wang, X. -Y., Ofek, E. O., Cucchiara, A., Rau, A., Waxman, E., Simon, J. D., Bock, D. C. -J., Milne, P. A., Page, M. J., Barentine, J. C., Barthelmy, S. D., Beardmore, A. P., Bietenholz, M. F., Brown, P., Burrows, A., Burrows, D. N., Byrngelson, G., Cenko, S. B., Chandra, P., Cummings, J. R., Fox, D. B., Gal-Yam, A., Gehrels, N., Immler, S., Kasliwal, M., Kong, A. K. H., Krimm, H. A., Kulkarni, S. R., Maccarone, T. J., Meszaros, P., Nakar, E., O'Brien, P. T., Overzier, R. A., de Pasquale, M., Racusin, J., Rea, N., York, D. G.
Publikováno v:
Nature.453:469-474, 2008
Massive stars end their short lives in spectacular explosions, supernovae, that synthesize new elements and drive galaxy evolution. Throughout history supernovae were discovered chiefly through their delayed optical light, preventing observations in
Externí odkaz:
http://arxiv.org/abs/0802.1712
Autor:
Wakker, B. P., York, D. G., Howk, J. C., Barentine, J. C., Wilhelm, R., Peletier, R. F., van Woerden, H., Beers, T. C., Ivezic, Z., Richter, P., Schwarz, U. J.
Publikováno v:
Astrophys.J.670:L113-L116,2007
We report the first determination of a distance bracket for the high-velocity cloud (HVC) complex C. Combined with previous measurements showing that this cloud has a metallicity of 0.15 times solar, these results provide ample evidence that complex
Externí odkaz:
http://arxiv.org/abs/0710.3340
Autor:
Wakker, B. P., York, D. G., Wilhelm, R., Barentine, J. C., Richter, P., Beers, T. C., Ivezic, Z., Howk, J. C.
Publikováno v:
Astrophys.J.672:298-319,2008
The high- and intermediate-velocity interstellar clouds (HVCs/IVCs) are tracers of energetic processes in and around the Milky Way. Clouds with near-solar metallicity about one kpc above the disk trace the circulation of material between disk and hal
Externí odkaz:
http://arxiv.org/abs/0709.1926
Autor:
Silvestri, Nicole M., Lemagie, Mara P., Hawley, Suzanne L., West, Andrew A., Schmidt, Gary D., Liebert, James, Szkody, Paula, Mannikko, Lee, Wolfe, Michael A., Barentine, J. C., Brewington, Howard J., Harvanek, Michael, Krzesinski, Jurik, Long, Dan, Schneider, Donald P., Snedden, Stephanie A.
Publikováno v:
Astron.J.134:741-748,2007
We present the latest catalog of more than 1200 spectroscopically-selected close binary systems observed with the Sloan Digital Sky Survey through Data Release Five. We use the catalog to search for magnetic white dwarfs in cataclysmic variable proge
Externí odkaz:
http://arxiv.org/abs/0704.0789
Autor:
Padmanabhan, N., Schlegel, D. J., Finkbeiner, D. P., Barentine, J. C., Blanton, M. R., Brewington, H. J., Gunn, J. E., Harvanek, M., Hogg, D. W., Ivezic, Z., Johnston, D., Kent, S. M., Kleinman, S. J., Knapp, G. R., Krzesinski, J., Long, D., Neilsen, E. H., Nitta, A., Loomis, C., Lupton, R. H., Roweis, S., Snedden, S. A., Strauss, M. A., Tucker, D. L.
Publikováno v:
Astrophys.J.674:1217-1233,2008
We present an algorithm to photometrically calibrate wide field optical imaging surveys, that simultaneously solves for the calibration parameters and relative stellar fluxes using overlapping observations. The algorithm decouples the problem of "rel
Externí odkaz:
http://arxiv.org/abs/astro-ph/0703454
Autor:
Belokurov, V., Evans, N. W., Bell, E. F., Irwin, M. J., Hewett, P. C., Koposov, S., Rockosi, C. M., Gilmore, G., Zucker, D. B., Fellhauer, M., Wilkinson, M. I., Bramich, D. M., Vidrih, S., Rix, H. -W., Beers, T. C., Schneider, D. P., Barentine, J. C., Brewington, H., Brinkmann, J., Harvanek, M., Krzesinski, J., Long, D., Pan, K., Snedden, S. A., Malanushenko, O., Malanushenko, V.
Publikováno v:
Astrophys.J.657:L89-L92,2007
We present evidence for a substantial overdensity of stars in the direction of the constellations of Hercules and Aquila. The Cloud is centered at a Galactic longitude of about 40 degrees and extends above and below the Galactic plane by at least 50
Externí odkaz:
http://arxiv.org/abs/astro-ph/0701790
Autor:
Irwin, M. J., Belokurov, V., Evans, N. W., Ryan-Weber, E. V., de Jong, J. T. A., Koposov, S., Zucker, D. B., Hodgkin, S. T., Gilmore, G., Prema, P., Hebb, L., Begum, A., Fellhauer, M., Hewett, P. C., Kennicutt, Jr., R. C., Wilkinson, M. I., Bramich, D. M., Vidrih, S., Rix, H. -W., Beers, T. C., Barentine, J. C., Brewington, H., Harvanek, M., Krzesinski, J., Long, D., Nitta, A., Snedden, S. A.
Publikováno v:
Astrophys.J.656:L13-L16,2007
In this Letter, we announce the discovery of a new dwarf galaxy, Leo T, in the Local Group. It was found as a stellar overdensity in the Sloan Digital Sky Survey Data Release 5 (SDSS DR5). The color-magnitude diagram of Leo T shows two well-defined f
Externí odkaz:
http://arxiv.org/abs/astro-ph/0701154