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pro vyhledávání: '"Agueros, M. A."'
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Autor:
Kilic, Mukremin, Brown, Warren R., Heinke, Craig O., Gianninas, A., Benni, P., Agueros, M. A.
We present Chandra and Swift X-ray observations of four extremely low-mass (ELM) white dwarfs with massive companions. We place stringent limits on X-ray emission from all four systems, indicating that neutron star companions are extremely unlikely a
Externí odkaz:
http://arxiv.org/abs/1606.00843
Autor:
Kilic, Mukremin, Hermes, J. J., Gianninas, A., Brown, Warren R., Heinke, Craig O., Agueros, M. A., Chote, Paul, Sullivan, Denis J., Bell, Keaton J., Harrold, Samuel T.
We present optical and X-ray observations of two tidally distorted, extremely low-mass white dwarfs (WDs) with massive companions. There is no evidence of neutron stars in our Chandra and XMM observations of these objects. SDSS J075141.18$-$014120.9
Externí odkaz:
http://arxiv.org/abs/1310.6359
Autor:
Kilic, Mukremin, Gianninas, A., Brown, Warren R., Harris, Hugh C., Dahn, Conard C., Agueros, M. A., Heinke, Craig O., Kenyon, S. J., Panei, J. A., Camilo, Fernando
We present optical spectroscopy, astrometry, radio, and X-ray observations of the runaway binary LP 400-22. We refine the orbital parameters of the system based on our new radial velocity observations. Our parallax data indicate that LP 400-22 is sig
Externí odkaz:
http://arxiv.org/abs/1307.3258
Autor:
Ofek, E. O., Laher, R., Surace, J., Levitan, D., Sesar, B., Horesh, A., Law, N., van Eyken, J. C., Kulkarni, S. R., Prince, T. A., Nugent, P., Sullivan, M., Yaron, O., Pickles, A., Agueros, M., Arcavi, I., Bildsten, L., Bloom, J., Cenko, S. B., Gal-Yam, A., Grillmair, C., Helou, G., Kasliwal, M. M., Poznanski, D., Quimby, R.
We construct a photometrically calibrated catalog of non-variable sources from the Palomar Transient Factory (PTF) observations. The first version of this catalog presented here, the PTF photometric catalog 1.0, contains calibrated R_PTF-filter magni
Externí odkaz:
http://arxiv.org/abs/1206.1064
Autor:
Kilic, Mukremin, Brown, Warren R., Prieto, Carlos Allende, Kenyon, S. J., Heinke, Craig O., Agueros, M. A., Kleinman, S. J.
We present new radial velocity and X-ray observations of extremely low-mass (ELM, 0.2 Msol) white dwarf candidates in the Sloan Digital Sky Survey (SDSS) Data Release 7 area. We identify seven new binary systems with 1-18 h orbital periods. Five of t
Externí odkaz:
http://arxiv.org/abs/1204.0028
Autor:
Ofek, E. O., Laher, R., Law, N., Surace, J., Levitan, D., Sesar, B., Horesh, A., Poznanski, D., van Eyken, J. C., Kulkarni, S. R., Nugent, P., Zolkower, J., Walters, R., Sullivan, M., Agueros, M., Bildsten, L., Bloom, J., Cenko, S. B., Gal-Yam, A., Grillmair, C., Helou, G., Kasliwal, M. M., Quimby, R.
The Palomar Transient Factory (PTF) provides multiple epoch imaging for a large fraction of the sky. Here we describe the photometric calibration of the PTF data products that relates the PTF magnitudes to other mag systems. The calibration process u
Externí odkaz:
http://arxiv.org/abs/1112.4851
Autor:
Kilic, Mukremin, Brown, Warren R., Prieto, Carlos Allende, Agueros, M. A., Heinke, Craig, Kenyon, S. J.
We describe new radial velocity and X-ray observations of extremely low-mass white dwarfs (ELM WDs, ~0.2 Msol) in the Sloan Digital Sky Survey Data Release 4 and the MMT Hypervelocity Star survey. We identify four new short period binaries, including
Externí odkaz:
http://arxiv.org/abs/1011.4073
Autor:
Kilic, Mukremin, Prieto, Carlos Allende, Brown, Warren R., Agueros, M. A., Kenyon, S. J., Camilo, Fernando
We measure the radial velocity curve of the eclipsing detached white dwarf binary NLTT 11748. The primary exhibits velocity variations with a semi-amplitude of 273 km/s and an orbital period of 5.641 hr. We do not detect any spectral features from th
Externí odkaz:
http://arxiv.org/abs/1008.1069
Autor:
Paerels, F., Mendez, M., Agueros, M., Baring, M., Barret, D., Bhattacharyya, S., Cackett, E., Cottam, J., Trigo, M. Diaz, Fox, D., Garcia, M., Gotthelf, E., Hermsen, W., Ho, W., Hurley, K., Jonker, P., Juett, A., Kaaret, P., Kargaltsev, O., Lattimer, J., Matt, G., Ozel, F., Pavlov, G., Rutledge, R., Smith, R., Stella, L., Strohmayer, T., Tananbaum, H., Uttley, P., van Kerkwijk, M., Weisskopf, M., Zane, S.
The cores of neutron stars harbor the highest matter densities known to occur in nature, up to several times the densities in atomic nuclei. Similarly, magnetic field strengths can exceed the strongest fields generated in terrestrial laboratories by
Externí odkaz:
http://arxiv.org/abs/0904.0435