Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Farnhill, H. J."'
Autor:
Harris, A., Drew, J. E., Farnhill, H. J., Monguió, M., Gebran, M., Wright, N. J., Drake, J. J., Sale, S. E.
Previous studies of the rotation law in the outer Galactic disc have mainly used gas tracers or clump giants. Here, we explore A and F stars as alternatives: these provide a much denser sampling in the outer disc than gas tracers and have experienced
Externí odkaz:
http://arxiv.org/abs/1801.01043
Autor:
Mohr-Smith, M., Drew, J. E., Napiwotzki, R., Simón-Díaz, S., Wright, N. J., Barentsen, G., Eislöffel, J., Farnhill, H. J., Greimel, R., Monguió, M., Kalari, V., Parker, Q. A., Vink, J. S.
Massive OB stars are critical to the ecology of galaxies, and yet our knowledge of OB stars in the Milky Way, fainter than $V \sim 12$, remains patchy. Data from the VST Photometric H$\alpha$ Survey (VPHAS+) permit the construction of the first deep
Externí odkaz:
http://arxiv.org/abs/1610.07609
Following on from the second release of calibrated photometry from IPHAS, the INT/WFC Photometric H-alpha Survey of the Northern Galactic Plane, we present incompleteness-corrected stellar density maps in the r and i photometric bands. These have bee
Externí odkaz:
http://arxiv.org/abs/1601.02983
Autor:
Raddi, R., Catalan, S., Gaensicke, B. T., Hermes, J. J., Napiwotzki, R., Koester, D., Tremblay, P. -E., Barentsen, G., Farnhill, H. J., Mohr-Smith, M., Drew, J. E., Groot, P. J., Guzman-Ramirez, L., Parker, Q. A., Steeghs, D., Zijlstra, A.
We investigated the prospects for systematic searches of white dwarfs at low Galactic latitudes, using the VLT Survey Telescope (VST) H$\alpha$ Photometric Survey of the Galactic plane and Bulge (VPHAS+). We targeted 17 white dwarf candidates along s
Externí odkaz:
http://arxiv.org/abs/1601.02019
Autor:
Cantat-Gaudin, T., Vallenari, A., Zaggia, S., Bragaglia, A., Sordo, R., Drew, J. E., Eisloeffel, J., Farnhill, H. J., Gonzalez-Solares, E., Greimel, R., Irwin, M. J., Kupcu-Yoldas, A., Jordi, C., Blomme, R., Sampedro, L., Costado, M. T., Alfaro, E., Smiljanic, R., Magrini, L., Donati, P., Friel, E. D., Jacobson, H., Abbas, U., Hatzidimitriou, D., Spagna, A., Vecchiato, A., Balaguer-Nunez, L., Lardo, C., Tosi, M., Pancino, E., Klutsch, A., Tautvaisiene, G., Drazdauskas, A., Puzeras, E., Jimenez-Esteban, F., Maiorca, E., Geisler, D., San, I., Villanova, S., Gilmore, G., Randich, S., Bensby, T., Flaccomio, E., Lanzafame, A., Recio-Blanco, A., Damiani, F., Hourihane, A., Jofre, P., deLaverny, P., Masseron, T., Morbidelli, L., Prisinzano, L., Sacco, G. G., Sbordone, L., Worley, C. C.
Publikováno v:
A&A 569, A17 (2014)
Chemically inhomogeneous populations are observed in most globular clusters, but not in open clusters. Cluster mass seems to play a key role in the existence of multiple populations. Studying the chemical homogeneity of the most massive open clusters
Externí odkaz:
http://arxiv.org/abs/1407.1510
Autor:
Barentsen, Geert, Farnhill, H. J., Drew, J. E., González-Solares, E. A., Greimel, R., Irwin, M. J., Miszalski, B., Ruhland, C., Groot, P., Mampaso, A., Sale, S. E., Henden, A. A., Aungwerojwit, A., Barlow, M. J., Carter, P. J., Corradi, R. L. M., Drake, J. J., Eislöffel, J., Fabregat, J., Gänsicke, B. T., Fusillo, N. P. Gentile, Greiss, S., Hales, A. S., Hodgkin, S., Huckvale, L., Irwin, J., King, R., Knigge, C., Kupfer, T., Lagadec, E., Lennon, D. J., Lewis, J. R., Mohr-Smith, M., Morris, R. A. H., Naylor, T., Parker, Q. A., Phillipps, S., Pyrzas, S., Raddi, R., Roelofs, G. H. A., Rodríguez-Gil, P., Sabin, L., Scaringi, S., Steeghs, D., Suso, J., Tata, R., Unruh, Y. C., van Roestel, J., Viironen, K., Vink, J. S., Walton, N. A., Wright, N. J., Zijlstra, A. A.
The INT/WFC Photometric H-Alpha Survey of the Northern Galactic Plane (IPHAS) is a 1800 square degrees imaging survey covering Galactic latitudes |b| < 5 deg and longitudes l = 30 to 215 deg in the r, i and H-alpha filters using the Wide Field Camera
Externí odkaz:
http://arxiv.org/abs/1406.4862
Autor:
Sale, S. E., Drew, J. E., Barentsen, G., Farnhill, H. J., Raddi, R., Barlow, M. J., Eislöffel, J., Vink, J. S., Rodríguez-Gil, P., Wright, N. J.
We present a three dimensional map of extinction in the Northern Galactic Plane derived using photometry from the IPHAS survey. The map has fine angular ($\sim 10$ arcmin) and distance (100 pc) sampling allied to a significant depth ($\gtrsim 5$ kpc)
Externí odkaz:
http://arxiv.org/abs/1406.0009
Autor:
Drew, J. E., Gonzalez-Solares, E., Greimel, R., Irwin, M. J., Yoldas, A. Kupcu, Lewis, J., Barentsen, G., Eisloeffel, J., Farnhill, H. J., Martin, W. E., Walsh, J. R., Walton, N. A., Mohr-Smith, M., Raddi, R., Sale, S. E., Wright, N. J., Groot, P., Barlow, M. J., Corradi, R. L. M., Drake, J. J., Fabregat, J., Frew, D. J., Gaensicke, B. T., Knigge, C., Mampaso, A., Morris, R. A. H., Naylor, T., Parker, Q. A., Phillipps, S., Ruhland, C., Steeghs, D., Unruh, Y. C., Vink, J. S., Wesson, R., Zijlstra, A. A.
The VST Photometric Halpha Survey of the Southern Galactic Plane and Bulge (VPHAS+) is surveying the southern Milky Way in u, g, r, i and Halpha at 1 arcsec angular resolution. Its footprint spans the Galactic latitude range -5 < b < +5 at all longit
Externí odkaz:
http://arxiv.org/abs/1402.7024
Autor:
Raddi, R., Drew, J. E., Fabregat, J., Steeghs, D., Wright, N. J., Sale, S. E., Farnhill, H. J., Barlow, M. J., Greimel, R., Sabin, L., Corradi, R. M. L., Drake, J. J.
We investigate a region of the Galactic plane, between 120 <= l <= 140 and -1 <= b <= +4, and uncover a population of moderately reddened (E(B-V) \sim 1) classical Be stars within and beyond the Perseus and Outer Arms. 370 candidate emission line sta
Externí odkaz:
http://arxiv.org/abs/1301.1298
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