Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Johnson, C B"'
Autor:
Torres, M. A. P., Repetto, S., Wevers, T., Heida, M., Jonker, P. G., Hynes, R. I., Nelemans, G., Kostrzewa-Rutkowska, Z., Wyrzykowski, L., Britt, C. T., Heinke, C. O., Casares, J., Johnson, C. B., Maccarone, T. J., Steeghs, D. T. H.
We report optical and infrared observations of the X-ray source CXOGBS J174623.5-310550. This Galactic object was identified as a potential quiescent low-mass X-ray binary accreting from an M-type donor on the basis of optical spectroscopy and the br
Externí odkaz:
http://arxiv.org/abs/1905.08107
Akademický článek
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Autor:
Wevers, T., Torres, M. A. P., Jonker, P. G., Nelemans, G., Heinke, C., Sanchez, D. Mata, Johnson, C. B., Gazer, R., Steeghs, D. T. H., Maccarone, T. J., Hynes, R. I., Casares, J., Udalski, A., Wetuski, J., Britt, C. T., Kostrzewa-Rutkowska, Z., Wyrzykowski, L.
We present the classification of 26 optical counterparts to X-ray sources discovered in the Galactic Bulge Survey. We use (time-resolved) photometric and spectroscopic observations to classify the X-ray sources based on their multi-wavelength propert
Externí odkaz:
http://arxiv.org/abs/1705.10791
Autor:
Britt, C. T., Maccarone, T. J., Pretorius, M. L., Hynes, R. I., Jonker, P. G., Torres, M. A. P., Knigge, C., Heinke, C. O., Johnson, C. B., Steeghs, D., Greiss, S., Nelemans, G.
We measure the duty cycles for an existing sample of well observed, nearby dwarf novae using data from AAVSO, and present a quantitative empirical relation between the duty cycle of dwarf novae outbursts and the X-ray luminosity of the system in quie
Externí odkaz:
http://arxiv.org/abs/1502.01743
Autor:
Wu, Jianfeng, Jonker, P. G., Torres, M. A. P., Britt, C. T., Johnson, C. B., Hynes, R. I., Greiss, S., Steeghs, D. T. H., Maccarone, T. J., Heinke, C. O., Wevers, T.
Publikováno v:
2015MNRAS.448.1900W
We present Gemini spectroscopy for 21 candidate optical counterparts to X-ray sources discovered in the Galactic Bulge Survey (GBS). For the majority of the 21 sources, the optical spectroscopy establishes that they are indeed the likely counterparts
Externí odkaz:
http://arxiv.org/abs/1501.02017
Autor:
Britt, Christopher T., Hynes, R. I., Johnson, C. B., Baldwin, A., Jonker, P. G., Nelemans, G., Torres, M. A. P., Maccarone, T., Steeghs, D., Greiss, S., Heinke, C., Bassa, C. G., Collazzi, A., Villar, A., Gabb, M., Gossen, L.
We present optical lightcurves of variable stars consistent with the positions of X-ray sources identified with the Chandra X-ray Observatory for the Chandra Galactic Bulge Survey. Using data from the Mosaic-II instrument on the Blanco 4m Telescope a
Externí odkaz:
http://arxiv.org/abs/1407.2244
Autor:
Hynes, R. I., Torres, M. A. P., Heinke, C. O., Maccarone, T. J., Mikles, V. J., Britt, C. T., Knigge, C., Greiss, S., Jonker, P. G., Steeghs, D., Nelemans, G., Bandyopadhyay, R. M., Johnson, C. B.
The Galactic Bulge Survey is a wide but shallow X-ray survey of regions above and below the Plane in the Galactic Bulge. It was performed using the Chandra X-ray Observatory's ACIS camera. The survey is primarily designed to find and classify low lum
Externí odkaz:
http://arxiv.org/abs/1310.2597
Autor:
Torres, M. A. P., Jonker, P. G., Britt, C. T., Johnson, C. B., Hynes, R. I., Greiss, S., Steeghs, D., Maccarone, T. J., Ozel, F., Bassa, C., Nelemans, G.
(Abridged:) We present the identification of optical counterparts to 23 Galactic Bulge Survey X-ray sources. We report their accurate coordinates and optical spectra acquired at the VLT and Magellan. All sources are classified as accreting binaries a
Externí odkaz:
http://arxiv.org/abs/1310.0224
Autor:
Liebezeit, J. R., Kendall, S. J., Brown, S., Johnson, C. B., Martin, P., Mcdonald, T. L., Payer, D. C., Rea, C. L., Streever, A., Wildman, A. M., Zack, S.
Publikováno v:
Ecological Applications, 2009 Sep 01. 19(6), 1628-1644.
Externí odkaz:
https://www.jstor.org/stable/40346274
Autor:
Whitelam, G. C., Johnson, C. B.
Publikováno v:
The New Phytologist, 1980 Aug 01. 85(4), 475-482.
Externí odkaz:
https://www.jstor.org/stable/2432080