Zobrazeno 1 - 10
of 370
pro vyhledávání: '"Xu, C K"'
Autor:
Appleton, P. N., Guillard, P., Emonts, B., Boulanger, F., Togi, A., Reach, W. T., Alatalo, K., Cluver, M., Santos, T. Diaz, Duc, P-A., Gallagher, S., Ogle, P., O'Sullivan, E., Voggel, K., Xu, C. K.
We combine JWST and HST imaging with ALMA~CO(2-1) spectroscopy to study the highly turbulent multi-phase intergalactic medium (IGM) in Stephan's Quintet on 25-150 pc scales. Previous Spitzer observations revealed luminous H$_2$ line cooling across a
Externí odkaz:
http://arxiv.org/abs/2301.02928
Autor:
Xu, C. K., Cheng, C., Appleton, P. N., Duc, P. -A., Gao, Y., Tang, N. -Y., Yun, M., Dai, Y. S., Huang, J. -S., Lisenfeld, U., Renaud, F.
Stephan's Quintet (SQ, distance=85$\pm$6 Mpc) is unique among compact groups of galaxies. Observations have previously shown that interactions between multiple members, including a high-speed intruder galaxy currently colliding into the intragroup me
Externí odkaz:
http://arxiv.org/abs/2208.04870
Autor:
Guillard, P., Appleton, P. N, Boulanger, F., Shull, J. M., Lehnert, M. D., Forets, G. Pineau des, Falgarone, E., Cluver, M. E., Xu, C. K., Gallagher, S. C., Duc, P. A.
We present Hubble Space Telescope Cosmic Origin Spectrograph (COS) UV line spectroscopy and integral-field unit (IFU) observations of the intra-group medium in Stephan's Quintet (SQ). SQ hosts a 30 kpc long shocked ridge triggered by a galaxy collisi
Externí odkaz:
http://arxiv.org/abs/2102.06843
Akademický článek
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Autor:
Zhao, Pinsong, Wu, Hong, Xu, C. K., Yang, Ming, Yang, Fan, Zhu, Yinan, Lam, Man I, Jin, Junjie, Yuan, Hailong, Zhang, Haotong, Shen, Shiyin, Shi, Jianrong, Luo, Ali, Wu, Xuebing, Zhao, Yongheng, Jing, Yipeng
We present optical luminosity functions (LFs) of galaxies in the $^{0.1}g$, $^{0.1}r$, and $^{0.1}i$ bands, calculated using data in $\sim 40$ $deg^{2}$ sky area of LAMOST Complete Spectroscopic Survey of Pointing Area (LaCoSSPAr) in Southern Galacti
Externí odkaz:
http://arxiv.org/abs/1903.07893
Autor:
Rosado-Belza, D., Lisenfeld, U., Hibbard, J., Kniermann, K., Ott, J., Verley, S., Boquien, M., Jarrett, T., Xu, C. K.
Publikováno v:
A&A 623, A154 (2019)
UGC 10214 is a minor merger in which a dwarf galaxy has interacted with a large spiral galaxy $\sim$250 Myr ago and produced a perturbed disk and a giant tidal tail. We use a multiwavelength dataset in order to study the present and past star formati
Externí odkaz:
http://arxiv.org/abs/1811.12417
Autor:
Peterson, B. W., Appleton, P. N., Bitsakis, T., Guillard, P., Alatalo, K., Boulanger, F., Cluver, M., Duc, P. -A., Falgarone, E., Gallagher, S., Gao, Y., Helou, G., Jarrett, T. H., Joshi, B., Lisenfeld, U., Lu, N., Ogle, P., Forêts, G. Pineau des, van der Werf, P., Xu, C. K.
Using the PACS and SPIRE spectrometers on-board Herschel, we obtained observations of the Taffy galaxies (UGC 12914/12915) and bridge. The Taffy system is believed to be the result of a face-on collision between two gas-rich galaxies, in which the st
Externí odkaz:
http://arxiv.org/abs/1801.10230
Autor:
Saito, T., Iono, D., Ueda, J., Espada, D., Sliwa, K., Nakanishi, K., Lu, N., Xu, C. K., Michiyama, T., Kaneko, H., Yamashita, T., Ando, M., Yun, M. S., Motohara, K., Kawabe, R.
We present 0".97 $\times$ 0".53 (470 pc $\times$ 250 pc) resolution CO ($J$ = 2-1) observations toward the nearby luminous merging galaxy NGC 6240 with the Atacama Large Millimeter/submillimeter Array. We confirmed a strong CO concentration within th
Externí odkaz:
http://arxiv.org/abs/1712.07660
Autor:
Cheng, C., Ibar, E., Hughes, T. M., Villanueva, V., Leiton, R., Orellana, G., Munoz-Arancibia, A., Lu, N., Xu, C. K., Willmer, C. N. A., Huang, J., Cao, T., Yang, C., Xue, Y. Q., Torstensson, K.
In this work we present new APEX/SEPIA Band-5 observations targeting the CO ($J=2\text{-}1$) emission line of 24 Herschel-detected galaxies at $z=0.1-0.2$. Combining this sample {with} our recent new Valpara\'iso ALMA Line Emission Survey (VALES), we
Externí odkaz:
http://arxiv.org/abs/1712.04460
Autor:
Appleton, P. N., Guillard, P., Togi, A., Alatalo, K., Boulanger, F., Cluver, M., Forets, G. Pineau des, Lisenfeld, U., Ogle, P., Xu, C. K.
We map for the first time the two-dimensional H_2 excitation of warm intergalactic gas in Stephan's Quintet on group-wide (50 x 35 kpc^2) scales to quantify the temperature, mass and warm-H_2 mass fraction as a function of position using Spitzer. Mol
Externí odkaz:
http://arxiv.org/abs/1701.03226