Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Kurtev, R. G."'
Autor:
Guo, Zhen, Lucas, P. W., Kurtev, R. G., Borissova, J., Elbakyan, V., Morris, C., Bayo, A., Smith, L., Garatti, A. Caratti o, Peña, C. Contreras, Minniti, D., Jose, J., Ashraf, M., Alonso-García, J., Miller, N., Muthu, H. D. S.
During the pre-main-sequence evolution, Young Stellar Objects (YSOs) assemble most of their mass during the episodic accretion process. The rarely seen FUOr-type events (FUOrs) are valuable laboratories to investigate the outbursting nature of YSOs.
Externí odkaz:
http://arxiv.org/abs/2401.14470
Autor:
Guo, Zhen, Lucas, P. W., Smith, L. C., Clarke, C., Peña, C. Contreras, Bayo, A., Briceño, C., Elias, J., Kurtev, R. G., Borissova, J., Alonso-García, J., Minniti, D., Catelan, M., Nikzat, F., Morris, C., Miller, N.
The VISTA Variables in the Via Lactea (VVV) survey obtained near-infrared photometry toward the Galactic bulge and the southern disc plane for a decade (2010 - 2019). We designed a modified Lomb-Scargle method to search for large-amplitude ($\Delta$K
Externí odkaz:
http://arxiv.org/abs/2203.08681
Autor:
Guo, Zhen, Lucas, P. W., Peña, C. Contreras, Smith, L. C., Morris, C., Kurtev, R. G., Borissova, J., Alonso-García, J., Minniti, D., Chené, A. -N., Kumar, M. S. N., Garatti, A. Caratti o, Froebrich, D., Stimson, W. H.
The decade-long Vista Variables in the Via Lactea (VVV) survey has detected numerous highly variable young stellar objects (YSOs). We present a study of 61 highly variable VVV YSOs ($\Delta K_s$ = 1-5 mag), combining near infrared spectra from Magell
Externí odkaz:
http://arxiv.org/abs/2103.13335
Autor:
Guo, Zhen, Lucas, P. W., Peña, C. Contreras, Kurtev, R. G., Smith, L. C., Borissova, J., Alonso-García, J., Minniti, D., Garatti, A. Caratti o, Froebrich, D.
Numerous eruptive variable young stellar objects (YSOs), mostly Class I systems, were recently detected by the near-infrared Vista Variables in the Via Lactea (VVV) survey. We present an exploratory near-infrared spectroscopic variability study of 14
Externí odkaz:
http://arxiv.org/abs/1912.00729
Low-resolution near-infrared spectroscopic signatures of unresolved ultracool companions to M dwarfs
Autor:
Cook, N. J., Pinfield, D. J., Marocco, F., Burningham, B., Jones, H. R. A., Frith, J., Zhong, J., Luo, A. L., Qi, Z. X., Cowan, N. B., Gromadzki, M., Kurtev, R. G., Guo, Y. X., Wang, Y. F., Song, Y. H., Yi, Z. P., Smart, R. L.
We develop a method to identify the spectroscopic signature of unresolved L-dwarf ultracool companions, which compares the spectra of candidates and their associated control stars using spectral ratio differences and residual spectra. We present SpeX
Externí odkaz:
http://arxiv.org/abs/1703.00463
Autor:
Cook, N. J., Pinfield, D. J., Marocco, F., Burningham, B., Jones, H. R. A., Frith, J., Zhong, J., Luo, A. L., Qi, Z. X., Lucas, P. W., Gromadzki, M., Day-Jones, A. C., Kurtev, R. G., Guo, Y. X., Wang, Y. F., Bai, Y., Yi, Z. P., Smart, R. L.
Locating ultra-cool companions to M dwarfs is important for constraining low-mass formation models, the measurement of sub-stellar dynamical masses and radii, and for testing ultra-cool evolutionary models. We present an optimised method for identify
Externí odkaz:
http://arxiv.org/abs/1601.03402
Autor:
Guo, Zhen, Lucas, P W, Kurtev, R G, Borissova, J, Elbakyan, Vardan, Morris, C, Bayo, A, Smith, L, Caratti o Garatti, A, Contreras Peña, C, Minniti, D, Jose, J, Ashraf, M, Alonso-García, J, Miller, N, Muthu, H D S
Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters; Mar2024, Vol. 529 Issue 1, pL115-L122, 8p
Autor:
Bidin, C. Moni, Mauro, F., Geisler, D., Minniti, D., Catelan, M., Hempel, M., Valenti, E., Valcarce, A. A. R., Alonso-García, J., Borissova, J., Carraro, G., Lucas, P., Chené, A. -N., Zoccali, M., Kurtev, R. G.
The census of Galactic globular clusters (GCs) is still incomplete, and about ten new objects are supposed to await discovery, hidden behind the crowded and reddened regions of the Galactic bulge and disk. We investigated the nature of three new GC c
Externí odkaz:
http://arxiv.org/abs/1109.1854
Autor:
Guo, Zhen, Lucas, P W, Smith, L C, Clarke, C, Contreras Peña, C, Bayo, A, Briceño, C, Elias, J, Kurtev, R G, Borissova, J, Alonso-García, J, Minniti, D, Catelan, M, Nikzat, F, Morris, C, Miller, N
Publikováno v:
Monthly Notices of the Royal Astronomical Society; 6/15/2022, Vol. 513 Issue 1, p1015-1035, 21p
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