Zobrazeno 1 - 10
of 573
pro vyhledávání: '"Anderson, L D"'
Autor:
Pineda, Jorge L., Horiuchi, Shinji, Anderson, L. D., Luisi, Matteo, Langer, William D., Goldsmith, Paul F., Kuiper, Thomas B. H., Fischer, Christian, Gong, Yan, Brunthaler, Andreas, Rugel, Michael, Menten, Karl M.
We combine a new Galactic plane survey of Hydrogen Radio Recombination Lines (RRLs) with far-infrared (FIR) surveys of ionized Nitrogen, N+, to determine Nitrogen abundance across Galactic radius. RRLs were observed with NASA DSS-43 70m antenna and t
Externí odkaz:
http://arxiv.org/abs/2407.12919
Autor:
Bania, T. M., Balser, Dana S., Wenger, Trey V., Ireland, Spencer J., Anderson, L. D., Luisi, Matteo
Diffuse ionized gas pervades the disk of the Milky Way. We detect extremely faint emission from this Galactic Warm Ionized Medium (WIM) using the Green Bank Telescope to make radio recombination line (RRL) observations toward two Milky Way sight line
Externí odkaz:
http://arxiv.org/abs/2407.06396
Implications for Galactic Electron Density Structure from Pulsar Sightlines Intersecting HII Regions
Recent radio surveys have revealed pulsars with dispersion and scattering delays induced by ionized gas that are larger than the rest of the observed pulsar population, in some cases with electron column densities (or dispersion measures; DMs) larger
Externí odkaz:
http://arxiv.org/abs/2406.07664
Autor:
Hurley-Walker, Natasha, Anderson, L. D., Luisi, M., McClure-Griffiths, N. M., Benjamin, Robert A., Kuhn, Michael A., Linville, Dylan J., Liu, B., Zucker, Catherine
The Galactic center lobe (GCL) is a $\sim 1^\circ$ object located north of the Galactic center. In the mid-infrared (MIR), the GCL appears as two 8.0-micron filaments that roughly define an ellipse. There is strong 24-micron and radio continuum emiss
Externí odkaz:
http://arxiv.org/abs/2405.11546
Autor:
Anderson, L. D., Luisi, Matteo, Liu, B., Linville, Dylan J., Benjamin, Robert A., Hurley-Walker, Natasha, McClure-Griffiths, N. M., Zucker, Catherine
The Galactic center lobe (GCL) is an object ~1{\deg} across that is located north of the Galactic center. In the mid-infrared (MIR) the GCL appears as two 8.0${\mu}$m filaments between which is strong 24${\mu}$m and radio continuum emission. Due to i
Externí odkaz:
http://arxiv.org/abs/2405.11054
Autor:
Goedhart, S., Cotton, W. D., Camilo, F., Thompson, M. A., Umana, G., Bietenholz, M., Woudt, P. A., Anderson, L. D., Bordiu, C., Buckley, D. A. H., Buemi, C. S., Bufano, F., Cavallaro, F., Chen, H., Chibueze, J. O., Egbo, D., Frank, B. S., Hoare, M. G., Ingallinera, A., Irabor, T., Kraan-Korteweg, R. C., Kurapati, S., Leto, P., Loru, S., Mutale, M., Obonyo, W. O., Plavin, A., Rajohnson, S. H. A., Rigby, A., Riggi, S., Seidu, M., Serra, P., Smart, B. M., Stappers, B. W., Steyn, N., Surnis, M., Trigilio, C., Williams, G. M., Abbott, T. D., Adam, R. M., Asad, K. M. B., Baloyi, T., Bauermeister, E. F., Bennet, T. G. H., Bester, H., Botha, A. G., Brederode, L. R. S., Buchner, S., Burger, J. P., Cheetham, T., Cloete, K., de Villiers, M. S., de Villiers, D. I. L., Toit, L. J. du, Esterhuyse, S. W. P., Fanaroff, B. L., Fourie, D. J., Gamatham, R. R. G., Gatsi, T. G., Geyer, M., Gouws, M., Gumede, S. C., Heywood, I., Hokwana, A., Hoosen, S. W., Horn, D. M., Horrell, L. M. G., Hugo, B. V., Isaacson, A. I., Józsa, G. I. G., Jonas, J. L., Jordaan, J. D. B. L., Joubert, A. F., Julie, R. P. M., Kapp, F. B., Kriek, N., Kriel, H., Krishnan, V. K., Kusel, T. W., Legodi, L. S., Lehmensiek, R., Lord, R. T., Macfarlane, P. S., Magnus, L. G., Magozore, C., Main, J. P. L., Malan, J. A., Manley, J. R., Marais, S. J., Maree, M. D. J., Martens, A., Maruping, P., McAlpine, K., Merry, B. C., Mgodeli, M., Millenaar, R. P., Mokone, O. J., Monama, T. E., New, W. S., Ngcebetsha, B., Ngoasheng, K. J., Nicolson, G. D., Ockards, M. T., Oozeer, N., Passmoor, S. S., Patel, A. A., Peens-Hough, A., Perkins, S. J., Ramaila, A. J. T., Ratcliffe, S. M., Renil, R., Richter, L. L., Salie, S., Sambu, N., Schollar, C. T. G., Schwardt, L. C., Schwartz, R. L., Serylak, M., Siebrits, R., Sirothia, S. K., Slabber, M. J., Smirnov, O. M., Tiplady, A. J., van Balla, T. J., van der Byl, A., Van Tonder, V., Venter, A. J., Venter, M., Welz, M. G., Williams, L. P.
We present the SARAO MeerKAT Galactic Plane Survey (SMGPS), a 1.3 GHz continuum survey of almost half of the Galactic Plane (251\deg $\le l \le$ 358\deg and 2\deg $\le l \le$ 61\deg at $|b| \le 1.5\deg $). SMGPS is the largest, most sensitive and hig
Externí odkaz:
http://arxiv.org/abs/2312.07275
Autor:
Anderson, L. D., Liu, B., Balser, Dana S., Bania, T. M., Haffner, L. M., Linville, Dylan J., Luisi, Matteo, Wenger, Trey V.
The ideal spectral averaging method depends on one's science goals and the available information about one's data. Including low-quality data in the average can decrease the signal-to-noise ratio (SNR), which may necessitate an optimization method or
Externí odkaz:
http://arxiv.org/abs/2310.09076
Autor:
Syed, J., Beuther, H., Goldsmith, P. F., Henning, Th., Heyer, M., Klessen, R. S., Stil, J. M., Soler, J. D., Anderson, L. D., Urquhart, J. S., Rugel, M. R., Johnston, K. G., Brunthaler, A.
Stars form in the dense interiors of molecular clouds. The dynamics and physical properties of the atomic interstellar medium (ISM) set the conditions under which molecular clouds and eventually stars will form. It is, therefore, critical to investig
Externí odkaz:
http://arxiv.org/abs/2310.02077
Autor:
Linville, Dylan J., Luisi, Matteo, Anderson, L. D., Liu, Bin, Bania, T. M., Balser, Dana S., Wenger, Trey V., Haffner, L. M., Mascoop, J. L.
The Green Bank Telescope (GBT) Diffuse Ionized Gas Survey (GDIGS) traces ionized gas in the Galactic midplane by observing radio recombination line (RRL) emission from 4-8 GHz. The nominal survey zone is $32.3^{\circ}> {\ell} > -5^{\circ}$, $|b|<0.5^
Externí odkaz:
http://arxiv.org/abs/2310.01607
Autor:
Dokara, R., Gong, Y., Reich, W., Rugel, M., Brunthaler, A., Menten, K., Cotton, W., Dzib, S., Khan, S., Medina, S., Nguyen, H., Ortiz-León, G., Urquhart, J., Wyrowski, F., Yang, A., Anderson, L. D., Beuther, H., Csengeri, T., Müller, P., Ott, J., Pandian, J. D., Roy, N.
Publikováno v:
A&A 671, A145 (2023)
Context. While over 1000 supernova remnants (SNRs) are estimated to exist in the Milky Way, only less than 400 have been found to date. In the context of this apparent deficiency, more than 150 SNR candidates were recently identified in the D-configu
Externí odkaz:
http://arxiv.org/abs/2211.13811